to the Closing (the “Equity Commitment Letter”). The Equity Commitment Letter effectively terminated the forward purchase agreement entered at the time of the IPO requiring our Sponsor and its affiliate to purchase immediately prior to the Closing an aggregate of 2,500,000 units, each comprised of one share of Class A common stock and one-half of one warrant. Please see “Closing Funding” in the accompanying proxy statement.

B. Riley Securities, Inc. (“BRFBR”) is our capital markets advisor in connection with the business combination, was the underwriter of the IPO and is an affiliate of the Company and the Sponsor. B. Riley Financial is the ultimate parent company of BRFBR, the Sponsor and BRPI. See “Certain Relationships and Related Party Transactions” in the accompanying proxy statement for more information on the relationship between BRFBR and the Company and our other related party transactions. For more information on the beneficial ownership of the Company’s securities by B. Riley Financial, see “Beneficial Ownership of Securities” in the accompanying proxy statement.

At the special meeting, you will be asked to consider and vote on a proposal to approve and adopt the Merger Agreement (the “business combination proposal”) and approve the other transactions contemplated by the Merger Agreement. A copy of the Merger Agreement is attached to the accompanying proxy statement as Annex A.

Assuming the business combination proposal and the charter amendment proposal (as defined below) are approved and adopted, at the special meeting, you will also be asked to consider and vote on a proposal to approve, for the purposes of complying with the applicable provisions of Section 312.03 of the Listed Company Manual of the New York Stock Exchange (the “NYSE”), (i) the issuance of shares of common stock to the Sellers pursuant to the terms of the Merger Agreement, and (ii) the issuance of shares of common stock to B. Riley Financial and/or other investors pursuant to the terms of the Equity Commitment Letter or other equity financing agreements that may be entered into prior to Closing (we refer to this proposal as the “stock issuance proposal”).

In addition, you will be asked to consider and vote on proposals to:

(a)     approve and adopt, assuming the business combination proposal is approved and adopted, the third amended and restated certificate of incorporation of the Company (the “Proposed Charter”), a copy of which is attached to the accompanying proxy statement as Annex C, which, if approved, would take effect upon the Closing (we refer to this proposal as the “charter amendment proposal”);

(b)    approve and adopt on a non-binding advisory basis, certain differences between the Company’s current certificate of incorporation (as amended and restated through the date of this proxy statement, the “Current Charter”), a copy of which is attached to the accompanying proxy statement as Annex B, and the Proposed Charter, which are being presented separately, in accordance with the requirements of the U.S. Securities and Exchange Commission (the “SEC”), as seven sub-proposals (which we refer to, collectively, as the “advisory charter proposals”):

1.      to, upon completion of the business combination and the conversion of each share of the Company’s Class B common stock, par value $0.0001 per share (“Class B common stock”), into one share of the Company’s Class A common stock, par value $0.0001 per share (“Class A common stock”), increase the authorized capital stock of the Company from 126,000,000 shares, consisting of 100,000,000 shares of Class A common stock, 25,000,000 shares of Class B common stock and 1,000,000 shares of preferred stock to 201,000,000 shares, which would consist of 200,000,000 shares of common stock, par value $0.0001 per share (“common stock”), and 1,000,000 shares of preferred stock, $0.0001 par value per share, by, on the effective date of the filing of the Proposed Charter: (i) reclassifying all Class A common stock as common stock; (ii) reclassifying all Class B common stock as common stock; and (iii) creating an additional 75,000,000 shares of common stock (we refer to this proposal as “advisory charter proposal A”);

2.      to change the stockholder vote required for approval of any amendment to Article IV (Capitalization), Article V (Board of Directors), Article VI (Bylaws), Article VIII (Limited Liability; Indemnification), Article IX (Corporate Opportunity) and Article X (Amendments) of the Proposed Charter or to amend the Company’s bylaws (we refer to this proposal as “advisory charter proposal B”), from the affirmative vote of the holders of at least a majority of the voting power of all then outstanding shares of stock of the Company entitled to vote generally in the election of directors, voting together as a single class, to the affirmative vote of the holders of at least 66 ⅔% of the total voting power of all the then outstanding shares of stock of the Company entitled to vote generally in the election of directors;

3.      to provide that Section 203 of the Delaware General Corporation Law, which governs business combinations between the Company and certain interested stockholders, does not apply to the Company (we refer to this proposal as “advisory charter proposal C”);

4.      to provide that certain amendments to and actions under the Proposed Charter are subject to the director nomination agreement to be entered into between the Company and the other parties thereto (as defined in the accompanying proxy statement) (the “Director Nomination Agreement”) (we refer to this proposal as “advisory charter proposal D”);

5.      to change the classification of the Company’s board of directors from two classes to three classes of directors, with each class elected for staggered terms (we refer to this proposal as “advisory charter proposal E”);

6.      to provide for a waiver of the doctrine of corporate opportunities for (i) any director of the Company who is not an employee of the Company or any of its subsidiaries or (ii) any person with the right to designate any such director pursuant to the Director Nomination Agreement (or any of such person’s affiliates or its or their respective successors, principals, directors, officers, members, managers or employees) (we refer to this proposal as “advisory charter proposal F”);

7.      to provide for certain additional changes, including, among other things, (i) changing the post-business combination company’s corporate name from “B. Riley Principal Merger Corp. II” to “Eos Energy Enterprises, Inc.” and making the Company’s corporate existence perpetual and (ii) removing certain provisions related to our status as a blank check company that will no longer apply upon the Closing, all of which our board of directors believes are necessary to adequately address the needs of the post-business combination Company (we refer to this proposal as “advisory charter proposal G”);

(c)     approve and adopt, assuming the condition precedent proposals (as the term is defined below) are approved and adopted, the B. Riley Principal Merger Corp. II 2020 Incentive Plan, a copy of which is attached to the accompanying proxy statement as Annex E (we refer to this proposal as the “incentive plan proposal” and, collectively with the business combination proposal, the charter amendment proposal, the stock issuance proposal and the incentive plan proposal, the “condition precedent proposals”); and

(d)    approve the adjournment of the special meeting to a later date or dates, if necessary or appropriate, to permit further solicitation and vote of proxies in the event that there are insufficient votes for, or otherwise in connection with, the approval of any of the condition precedent proposals or the incentive plan proposal (we refer to this proposal as the “adjournment proposal”).

Each of these proposals is more fully described in the accompanying proxy statement, which you are encouraged to read carefully.

Our Class A common stock and warrants are currently listed on the NYSE under the symbols “BMRG” and “BMRG WS,” respectively. Certain of our shares of Class A common stock and warrants currently trade as units consisting of one share of Class A common stock and one-half of one redeemable warrant, which units are listed on the NYSE under the symbol “BMRG.U.” The units will automatically separate into their component securities upon the Closing and, as a result, will no longer trade as an independent security. Upon the Closing, we intend to change our name from “B. Riley Principal Merger Corp. II” to “Eos Energy Enterprises, Inc.”, and we intend to list the shares of our common stock and warrants on The Nasdaq Capital Market under the symbols “EOSE” and “EOSEW”.

Only holders of record of shares of Class A common stock and shares of Class B common stock at the close of business on October 22, 2020 are entitled to notice of and to vote and have their votes counted at the special meeting and any adjournments or postponements of the special meeting. A complete list of BMRG’s stockholders of record entitled to vote at the special meeting will be available for ten (10) days before the special meeting at BMRG’s principal executive offices for inspection by stockholders during ordinary business hours for any purpose germane to the special meeting.

We are providing the accompanying proxy statement and proxy card to our stockholders in connection with the solicitation of proxies to be voted at the special meeting and at any adjournments or postponements of the special meeting. Whether or not you plan to attend the special meeting, we urge you to read the accompanying proxy statement carefully. Please pay particular attention to the section entitled “Risk Factors” beginning on page 18 of the proxy statement.

After careful consideration, BMRG’s board of directors has unanimously approved the Merger Agreement and the transactions contemplated thereby and determined that each of the business combination proposal, the stock issuance proposal, the charter amendment proposal, the advisory charter proposals, the incentive plan proposal and the adjournment proposal is in the best interests of BMRG and its stockholders, and unanimously recommends that you vote or give instruction to vote “FOR” each of those proposals.

The existence of financial and personal interests of BMRG’s directors and officers may result in a conflict of interest on the part of one or more of the directors between what he or they may believe is in the best interests of BMRG and its stockholders and what he or they may believe is best for himself or themselves in determining to recommend that stockholders vote for the proposals. See the sections entitled “The Business Combination Proposal — Interests of Certain Persons in the Business Combination” and “Beneficial Ownership of Securities” in the accompanying proxy statement for a further discussion.

BMRG’s initial stockholders (consisting of the Sponsor and Patrick J. Bartels, Jr., James L. Kempner, Timothy M. Presutti and Robert Suss, our independent directors) and our other officers and directors entered into a letter agreement at the time of the IPO, pursuant to which they agreed to vote the founder shares purchased by them, as well as any shares of Class A common stock included in the units sold by BMRG in the IPO (the “public shares”) purchased by them during or after the IPO, in favor of the business combination proposal. As of the date hereof, BMRG’s initial stockholders own approximately 22% of our total outstanding shares of common stock.

Pursuant to the Current Charter, a holder of public shares (a “public stockholder”) may request that BMRG redeem all or a portion of such public stockholder’s public shares for cash if the business combination is consummated. You will be entitled to receive cash for any public shares to be redeemed only if you:

(i)     (a) hold public shares or (b) hold public shares through units and you elect to separate your units into the underlying public shares and public warrants prior to exercising your redemption rights with respect to the public shares; and

(ii)    prior to 10:00 AM, Eastern Time, on November 10, 2020 (two (2) business days prior to the vote at the special meeting), (a) submit a written request to Continental Stock Transfer & Trust Company, BMRG’s transfer agent (the “transfer agent”), that BMRG redeem your public shares for cash and (b) deliver your public shares to the transfer agent, physically or electronically through The Depository Trust Company.

Holders of units must elect to separate the underlying public shares and public warrants prior to exercising redemption rights with respect to the public shares. If holders hold their units in an account at a brokerage firm or bank, holders must notify their broker or bank that they elect to separate the units into the underlying public shares and public warrants, or if a holder holds units registered in its own name, the holder must contact the transfer agent directly and instruct it to do so. Public stockholders may elect to redeem all or a portion of their public shares even if they vote for the business combination proposal. If the business combination is not consummated, the public shares will not be redeemed for cash. If a public stockholder properly exercises its right to redeem its public shares and timely delivers its shares to the transfer agent, we will redeem each public share for a per share price, payable in cash, equal to the aggregate amount then on deposit in the trust account, calculated as of two (2) business days prior to the Closing, including interest earned on the funds held in the trust account (net of taxes payable), divided by the number of then-outstanding public shares. For illustrative purposes, as of June 30, 2020, this would have amounted to approximately $10.10 per public share. If a public stockholder exercises its redemption rights, then it will be exchanging its redeemed public shares for cash and will no longer own such shares. Any request to redeem public shares, once made, may be withdrawn at any time until the deadline for exercising redemption requests and thereafter, with our consent, until the Closing. Furthermore, if a holder of a public share delivers its certificate in connection with an election of its redemption and subsequently decides prior to the applicable date not to elect to exercise such rights, it may simply request that BMRG instruct our transfer agent to return the certificate (physically or electronically).

The holder can make such request by contacting the transfer agent, at the address or email address listed in the accompanying proxy statement. We will be required to honor such request only if made prior to the deadline for exercising redemption requests. See “Special Meeting — Redemption Rights” in the accompanying proxy statement for a detailed description of the procedures to be followed if you wish to redeem your public shares for cash.

Notwithstanding the foregoing, a holder of public shares, together with any affiliate of such public stockholder or any other person with whom such public stockholder is acting in concert or as a “group” (as defined in Section 13 of the Exchange Act), will be restricted from redeeming its public shares with respect to more than an aggregate of 20% of the public shares, without our prior consent. Accordingly, if a public stockholder, alone or acting in concert or as a group, seeks to redeem more than 20% of the public shares, then any such shares in excess of that 20% limit would not be redeemed for cash, without our prior consent.

The Closing is conditioned upon, among other things, that (i) we have an aggregate of at least $110 million of cash available from the trust account and from the proceeds of investments of equity financing sources before taking into account certain expenses, that there has not been a Material Adverse Effect (as defined in the Merger Agreement), (ii) the recipe for the Eos’s proprietary electrolyte solution has been deposited with a third party escrow agent (to be released to BMRG’s Chief Executive Officer if certain events occur with regard to the two employees who have knowledge of the formula), and (iii) BMRG’s stockholders approve the Merger Agreement and the business combination. Unless waived, if any of these conditions are not satisfied, the business combination may not be consummated. Furthermore, in no event will we redeem our public shares in an amount that would cause our net tangible assets to be less than $5,000,001. See “The Business Combination Proposal — The Merger Agreement.”

Under the Merger Agreement, the approval of each of the condition precedent proposals is a condition to the Closing. The adoption of each condition precedent proposal is conditioned on the approval of all of the condition precedent proposals. The incentive plan proposal is conditioned on the approval of all of the condition precedent proposals, and each of the advisory charter proposals and the adjournment proposal are not conditioned on the approval of any other proposal. If our stockholders do not approve each of the condition precedent proposals, the business combination may not be consummated.

Approval of the business combination proposal, the stock issuance proposal, each of the advisory charter proposals, the incentive plan proposal and the adjournment proposal requires the affirmative vote of holders of a majority of the shares of Class A common stock and Class B common stock cast by BMRG’s stockholders present in person (which would include virtual presence) or by proxy at the special meeting and entitled to vote thereon, voting as a single class. Approval of the charter amendment proposal requires the affirmative vote of holders of a majority of the outstanding shares of Class A common stock and Class B common stock entitled to vote thereon at the special meeting, voting as a single class.

All our stockholders are cordially invited to attend the virtual special meeting. To ensure your representation at the special meeting, however, you are urged to complete, sign, date and return the enclosed proxy card as soon as possible. If you are a stockholder of record holding shares of common stock, you may also cast your vote in person (which would include voting at the virtual special meeting). If your shares are held in an account at a brokerage firm or bank, you must instruct your broker or bank on how to vote your shares or, if you wish to attend the special meeting and vote in person (which would include virtual voting), obtain a proxy from your broker or bank. A stockholder’s failure to vote by proxy or to vote in person (which would include virtual voting) at the special meeting will not be counted towards the number of shares of common stock required to validly establish a quorum, and if a valid quorum is otherwise established, such failure to vote will have no effect on the outcome of any vote on the proposals other than the charter amendment proposal. Abstentions will be counted in connection with the determination of whether a valid quorum is established but will have no effect on the outcome of the vote on any of the proposals except for the charter amendment proposal. Failure to vote by proxy or to vote in person (which would include virtual voting) or an abstention from voting on the charter amendment proposal will have the same effective as a vote “AGAINST” the charter amendment proposal.

Your vote is important regardless of the number of shares you own. Whether you plan to attend the special meeting or not, please sign, date and return the enclosed proxy card as soon as possible in the envelope provided.

If your shares are held in “street name” or are in a margin or similar account, you should contact your broker to ensure that your shares are represented and voted at the special meeting.

On behalf of our board of directors, I would like to thank you for your support of B. Riley Principal Merger Corp. II and look forward to a successful completion of the business combination.

If you return your proxy card signed and without an indication of how you wish to vote, your shares will be voted in favor of each of the proposals.

TO EXERCISE YOUR REDEMPTION RIGHTS, YOU MUST (1) IF YOU HOLD SHARES OF CLASS A COMMON STOCK THROUGH UNITS, ELECT TO SEPARATE YOUR UNITS INTO THE UNDERLYING PUBLIC SHARES AND PUBLIC WARRANTS PRIOR TO EXERCISING YOUR REDEMPTION RIGHTS WITH RESPECT TO THE PUBLIC SHARES, (2) SUBMIT A WRITTEN REQUEST TO THE TRANSFER AGENT AT LEAST TWO BUSINESS DAYS PRIOR TO THE VOTE AT THE SPECIAL MEETING, THAT YOUR PUBLIC SHARES BE REDEEMED FOR CASH, AND (3) DELIVER YOUR SHARES OF CLASS A COMMON STOCK TO THE TRANSFER AGENT, PHYSICALLY OR ELECTRONICALLY USING THE DEPOSITORY TRUST COMPANY’S DWAC (DEPOSIT WITHDRAWAL AT CUSTODIAN) SYSTEM, IN EACH CASE IN ACCORDANCE WITH THE PROCEDURES AND DEADLINES DESCRIBED IN THE ACCOMPANYING PROXY STATEMENT. IF THE BUSINESS COMBINATION IS NOT CONSUMMATED, THEN THE PUBLIC SHARES WILL NOT BE REDEEMED FOR CASH. IF YOU HOLD THE SHARES IN STREET NAME, YOU WILL NEED TO INSTRUCT THE ACCOUNT EXECUTIVE AT YOUR BANK OR BROKER TO WITHDRAW THE SHARES FROM YOUR ACCOUNT IN ORDER TO EXERCISE YOUR REDEMPTION RIGHTS. SEE “SPECIAL MEETING — REDEMPTION RIGHTS” IN THE ACCOMPANYING PROXY STATEMENT FOR MORE SPECIFIC INSTRUCTIONS.

Neither the SEC nor any state securities commission has approved or disapproved of the transactions described in the accompanying proxy statement, passed upon the merits or fairness of the Merger Agreement or the transactions contemplated thereby, or passed upon the adequacy or accuracy of the accompanying proxy statement. Any representation to the contrary is a criminal offense.

This proxy statement is dated October 23, 2020 and is first being mailed to our stockholders on or about October 23, 2020.

B. RILEY PRINCIPAL MERGER CORP. II
299 Park Avenue, 21st Floor
New York, New York 10171

NOTICE OF SPECIAL MEETING
OF
B. RILEY PRINCIPAL MERGER CORP. II

To Be Held On November 12, 2020

To the Stockholders of B. Riley Principal Merger Corp. II:

NOTICE IS HEREBY GIVEN that a special meeting (the “special meeting”) of stockholders of B. Riley Principal Merger Corp. II, a Delaware corporation (“BMRG,” the “Company,” “we,” “us” or “our”), will be held at 10:00 AM, Eastern Time, on November 12, 2020, at https://www.cstproxy.com/brileyprincipalmergercorpii/2020. In light of ongoing developments related to the novel coronavirus (“COVID-19”), after careful consideration, the Company has determined that the special meeting will be a virtual meeting conducted exclusively via live webcast in order to facilitate stockholder attendance and participation while safeguarding the health and safety of our stockholders, directors and management team. You or your proxyholder will be able to attend the virtual special meeting online, vote, view the list of stockholders entitled to vote at the special meeting and submit questions during the special meeting by visiting https://www.cstproxy.com/brileyprincipalmergercorpii/2020 and using a control number assigned by Continental Stock Transfer & Trust Company. To register and receive access to the virtual meeting, registered stockholders and beneficial stockholders (those holding shares through a stock brokerage account or by a bank or other holder of record) will need to follow the instructions applicable to them provided in this proxy statement. You are cordially invited to attend the special meeting.

At the special meeting, you will be asked to consider and vote on proposals to:

(a)     Proposal No. 1 — The Business Combination Proposal — approve and adopt the Agreement and Plan of Merger, dated as of September 7, 2020 (as the same may be amended from time to time, the “Merger Agreement”), by and among BMRG, BMRG Merger Sub, LLC, a wholly-owned subsidiary of the Company and a Delaware limited liability company (“Merger Sub I”), BMRG Merger Sub II, LLC, a wholly-owned subsidiary of the Company and a Delaware limited liability company (“Merger Sub II”), Eos Energy Storage LLC, a Delaware limited liability company (“Eos”), New Eos Energy LLC, a wholly-owned subsidiary of Eos and a Delaware limited liability company (“Newco”) and AltEnergy Storage VI, LLC, a Delaware limited liability company (“AltEnergy”), in its capacity as securityholder representative, pursuant to which (1) Merger Sub I will merge with and into Newco (the “First Merger”), whereupon the separate existence of Merger Sub I will cease, and Newco will continue as the surviving company (such company, in its capacity as the surviving company of the First Merger, is sometimes referred to as the “First Surviving Company”) and become a wholly owned subsidiary of BMRG; and (2) immediately following the First Merger and as part of the same overall transaction as the First Merger, the First Surviving Company will merge with and into Merger Sub II (the “Second Merger” and, together with the First Merger, the “Mergers”), whereupon the separate existence of the First Surviving Company will cease, and Merger Sub II will continue as the surviving company (Merger Sub II, in its capacity as the surviving company of the Second Merger, is sometimes referred to as the “Ultimate Surviving Company”) and a wholly owned subsidiary of BMRG, on the terms and subject to the conditions set forth in the Merger Agreement, and approve the other transactions contemplated by the Merger Agreement (the “business combination”) (we refer to this proposal as the “business combination proposal”);

(b)    Proposal No. 2 — The Stock Issuance Proposal — approve, assuming the business combination proposal and the charter amendment proposal are approved and adopted, for the purposes of complying with the applicable provisions of Section 312.03 of the Listed Company Manual of the New York Stock Exchange (the “NYSE”), (i) the issuance of shares of common stock to the Sellers pursuant to the terms of the Merger Agreement, and (ii) the issuance of shares of common stock to B. Riley Financial, Inc. (“B. Riley Financial”) and/or other investors pursuant to the terms of the Equity Commitment Letter or other equity financing agreements that may be entered into prior to Closing;

(c)     Proposal No. 3 — The Charter Amendment Proposal — approve and adopt, assuming the business combination proposal is approved and adopted, the third amended and restated certificate of incorporation of the Company (the “Proposed Charter”), a copy of which is attached to the accompanying proxy statement as Annex C, which, if approved, would take effect upon the closing of the business combination (the “Closing”) (we refer to this proposal as the “charter amendment proposal”);

(d)    The Advisory Charter Proposals — approve and adopt on a non-binding advisory basis, certain differences between the Company’s current certificate of incorporation (as amended and restated through the date of this proxy statement, the “Current Charter”), and the Proposed Charter, which are being presented separately, in accordance with the requirements of the U.S. Securities and Exchange Commission (“SEC”), as seven sub-proposals (which we refer to, collectively, as the “advisory charter proposals”):

(1)    Proposal No. 4 — Advisory Charter Proposal A — to, upon completion of the business combination and the conversion of the Company’s Class B common stock, par value $0.0001 per share (“Class B common stock”), into the Company’s Class A common stock, par value $0.0001 per share (“Class A common stock”), increase the authorized capital stock of the Company from 126,000,000 shares, consisting of 100,000,000 shares of Class A common stock, 25,000,000 shares of Class B common stock and 1,000,000 shares of preferred stock to 201,000,000 shares, which would consist of 200,000,000 shares of common stock, par value $0.0001 per share (“common stock”), and 1,000,000 shares of preferred stock, $0.0001 par value per share, by, on the effective date of the filing of the Proposed Charter: (i) reclassifying all Class A common stock as common stock; (ii) reclassifying all Class B common stock as common stock and (iii) creating an additional 75,000,000 shares of common stock (we refer to this proposal as “advisory charter proposal A”);

(2)    Proposal No. 5 — Advisory Charter Proposal B — to change the stockholder vote required for approval of any amendment to Article IV (Capitalization), Article V (Board of Directors), Article VI (Bylaws), Article VIII (Limited Liability; Indemnification), Article IX (Corporate Opportunity) and Article X (Amendments) of the Proposed Charter or to amend the Company’s bylaws, from the affirmative vote of the holders of at least a majority of the voting power of all then outstanding shares of stock of the Company entitled to vote generally in the election of directors, voting together as a single class, to the affirmative vote of the holders of at least 66 ⅔% of the total voting power of all the then outstanding shares of stock of the Company entitled to vote generally in the election of directors;

(3)    Proposal No. 6 — Advisory Charter Proposal C — to provide that Section 203 of the Delaware General Corporation Law, which governs business combinations between the Company and certain interested stockholders, does not apply to the Company (we refer to this proposal as “advisory charter proposal C”);

(4)    Proposal No. 7 — Advisory Charter Proposal D — to provide that certain amendments to and actions under the Proposed Charter are subject to the director nomination agreement to be entered into between the Company and the other parties thereto (as defined in the accompanying proxy statement) (the “Director Nomination Agreement”) (we refer to this proposal as “advisory charter proposal D”);

(5)    Proposal No. 8 — Advisory Charter Proposal E — to change the classification of the Company’s board of directors from two classes to three classes of directors, with each class elected for staggered terms (we refer to this proposal as “advisory charter proposal E”);

(6)    Proposal No. 9 — Advisory Charter Proposal F — to provide for a waiver of the doctrine of corporate opportunities for (i) any director of the Company who is not an employee of the Company or any of its subsidiaries or (ii) any person with the right to designate any such director pursuant to the Director Nomination Agreement (or any of such person’s affiliates or its or their respective successors, principals, directors, officers, members, managers or employees) (we refer to this proposal as “advisory charter proposal F”);

(7)    Proposal No. 10 — Advisory Charter Proposal G — to provide for certain additional changes, including, among other things, (i) changing the post-business combination company’s corporate name from “B. Riley Principal Merger Corp. II” to “Eos Energy Enterprises, Inc.” and making the Company’s corporate existence perpetual and (ii) removing certain provisions related to our status as a blank check company that will no longer apply upon the Closing, all of which our board of directors believes are necessary to adequately address the needs of the post-business combination Company.

(e)     Proposal No. 11 — The Incentive Plan Proposal — approve and adopt, assuming the condition precedent proposals are approved and adopted, the B. Riley Principal Merger Corp. II 2020 Incentive Plan, a copy of which is attached to the accompanying proxy statement as Annex E; and

(f)     Proposal No. 12 — The Adjournment Proposal — approve the adjournment of the special meeting to a later date or dates, if necessary or appropriate, to permit further solicitation and vote of proxies in the event that there are insufficient votes for, or otherwise in connection with, the approval of any of the condition precedent proposals or the incentive plan proposal.

The above matters are more fully described in the accompanying proxy statement, which also includes, as Annex A, a copy of the Merger Agreement. We urge you to read carefully the accompanying proxy statement in its entirety, including Annex A, Annex B, Annex C, Annex D and Annex E and accompanying financial statements.

Our Class A common stock and warrants are currently listed on the NYSE under the symbols “BMRG” and “BMRG WS,” respectively. Certain of our shares of Class A common stock and warrants currently trade as units consisting of one share of Class A common stock and one-half of one redeemable warrant, and are listed on the NYSE under the symbol “BMRG.U” The units will automatically separate into their component securities upon the Closing and, as a result, will no longer trade as an independent security. Upon the Closing, we intend to change our name from “B. Riley Principal Merger Corp. II” to “Eos Energy Enterprises, Inc.”. We intend to list the shares of our common stock and warrants on Nasdaq under the symbols “EOSE” and “EOSEW”.

Only holders of record of shares of Class A common stock and shares of Class B common stock at the close of business on October 22, 2020 are entitled to notice of and to vote and have their votes counted at the special meeting and any adjournments or postponements of the special meeting. A complete list of BMRG’s stockholders of record entitled to vote at the special meeting will be available for ten (10) days before the special meeting at BMRG’s principal executive offices for inspection by stockholders during ordinary business hours for any purpose germane to the special meeting.

Pursuant to the Current Charter, a holder of public shares (a “public stockholder”) may request that BMRG redeem all or a portion of its public shares for cash if the business combination is consummated. You will be entitled to receive cash for any public shares to be redeemed only if you:

(i)     (a) hold public shares or (b) hold public shares through units and you elect to separate your units into the underlying public shares and public warrants prior to exercising your redemption rights with respect to the public shares; and

(ii)    prior to 10:00 AM, Eastern Time on November 10, 2020 (two (2) business days prior to the vote at the special meeting), (a) submit a written request to Continental Stock Transfer & Trust Company, BMRG’s transfer agent (the “transfer agent”), that BMRG redeem your public shares for cash and (b) deliver your public shares to the transfer agent, physically or electronically through The Depository Trust Company.

Holders of units must elect to separate the underlying public shares and public warrants prior to exercising redemption rights with respect to the public shares. If holders hold their units in an account at a brokerage firm or bank, holders must notify their broker or bank that they elect to separate the units into the underlying public shares and public warrants, or if a holder holds units registered in its own name, the holder must contact the transfer agent directly and instruct it to do so. Public stockholders may elect to redeem all or a portion of their public shares even if they vote for the business combination proposal. If the business combination is not consummated, the public shares will not be redeemed for cash. If a public stockholder properly exercises its right to redeem its public shares and timely delivers its shares to the transfer agent, we will redeem each public share for a per share price, payable in cash, equal to the aggregate amount then on deposit in the trust account (the “trust account”) established in connection with the Company’s initial public offering (“IPO”), calculated as of two (2) business days prior to the Closing, including interest earned on the funds held in the trust account (net of taxes payable), divided by the number of then-outstanding public shares. For illustrative purposes, as of June 30, 2020, this would have amounted to approximately $10.10 per public share. If a public stockholder exercises its redemption rights, then it will be exchanging its redeemed public shares for cash and will no longer own such shares. Any request to redeem public shares, once made, may be withdrawn at any time until the deadline for exercising redemption requests and thereafter, with our consent, until the Closing. Furthermore, if a holder of a public share delivers its certificate in connection with an election of its redemption and subsequently decides prior to the applicable date not to elect to exercise such rights, it may simply request that BMRG instruct our transfer agent to return the certificate (physically or electronically). The holder can make such request

by contacting the transfer agent, at the address or email address listed in this proxy statement. We will be required to honor such request only if made prior to the deadline for exercising redemption requests. See “Special Meeting — Redemption Rights” in the accompanying proxy statement for a detailed description of the procedures to be followed if you wish to redeem your public shares for cash.

Notwithstanding the foregoing, a holder of public shares, together with any affiliate of such public stockholder or any other person with whom such public stockholder is acting in concert or as a “group” (as defined in Section 13 of the Exchange Act), will be restricted from redeeming its public shares with respect to more than an aggregate of 20% of the public shares, without our prior consent. Accordingly, if a public stockholder, alone or acting in concert or as a group, seeks to redeem more than 20% of the public shares, then any such shares in excess of that 20% limit would not be redeemed for cash, without our prior consent.

Under the Merger Agreement, the approval of each of the condition precedent proposals is a condition to the Closing. The adoption of each condition precedent proposal is conditioned on the approval of all of the condition precedent proposals. The incentive plan proposal is conditioned on the approval of the condition precedent proposals, and each of the advisory charter proposals and the adjournment proposal are not conditioned on the approval of any other proposal. Unless waived by the parties to the Merger Agreement, if our stockholders do not approve each of the condition precedent proposals, the business combination may not be consummated. Furthermore, in no event will we redeem our public shares in an amount that would cause our net tangible assets to be less than $5,000,001. See “The Business Combination Proposal — The Merger Agreement.”

Approval of the business combination proposal, the stock issuance proposal, each of the advisory charter proposals, the incentive plan proposal and the adjournment proposal requires the affirmative vote of holders of a majority of the shares of Class A common stock and Class B common stock cast by BMRG’s stockholders present in person (which would include virtual presence) or by proxy at the special meeting and entitled to vote thereon, voting as a single class. Approval of the charter amendment proposal requires the affirmative vote of holders of a majority of the outstanding shares of Class A common stock and Class B common stock entitled to vote thereon at the special meeting, voting as a single class.

Your attention is directed to the proxy statement accompanying this notice (including the annexes thereto) for a more complete description of the proposed business combination and related transactions and each of the proposals. We urge you to read the accompanying proxy statement carefully. If you have any questions or need assistance voting your shares of BMRG common stock, please contact Morrow Sodali LLC, our proxy solicitor, by calling (800) 662-5200, or banks and brokers can call collect at (203) 658-9400, or by emailing BMRG.info@investor.morrowsodali.com. This notice of special meeting and the proxy statement are available at https://www.cstproxy.com/brileyprincipalmergercorpii/2020.

Important Notice Regarding the Availability of Proxy Materials for the Special Meeting of Stockholders to be held on November 12, 2020: This notice of special meeting and the related proxy statement will be available at https://www.cstproxy.com/brileyprincipalmergercorpii/2020.

“AltEnergy” means AltEnergy Storage VI, LLC.

“ASC” means Accounting Standard Codification.

“BRFBR” means B. Riley Securities, Inc.

“B. Riley Financial” means B. Riley Financial, Inc.

“BRPI” means B. Riley Principal Investments, LLC.

“BMRG” means B. Riley Principal Merger Corp. II.

“BMRG common stock” means, (i) prior to the business combination, together, the Class A common stock and Class B common stock and (ii) subsequent to the business combination, the common stock.

“business combination” means the acquisitions and transactions contemplated by the Merger Agreement.

“business combination proposal” means the proposal to approve and adopt the Merger Agreement and such acquisitions and other transactions as contemplated thereby.

“charter amendment proposal” means the proposal to approve and adopt the Proposed Charter, assuming the business combination proposal is approved and adopted.

“Class A common stock” means the Class A common stock of the Company, par value $0.0001 per share.

“Class B common stock” means the Class B common stock of the Company, par value $0.0001 per share.

“Class I directors” means Audrey Zibelman and Marian “Mimi” Walters of the combined company’s board of directors.

“Class II directors” means Joseph Mastrangelo and Alex Dimitrief of the combined company’s board of directors.

“Class III directors” means Russ Stidolph, Daniel Shribman and Krishna P. Singh of the combined company’s board of directors.

“Closing” means the closing of the business combination.

“Code” means the Internal Revenue Code of 1986, as amended.

“common stock” means the common stock of the Company, par value $0.0001 per share.

“condition precedent proposals” means the business combination proposal, the stock issuance proposal and the charter amendment proposal.

“Current Charter” means the second amended and restated certificate of incorporation of the Company.

“DGCL” means the General Corporation Law of the State of Delaware.

“Director Nomination Agreement” means the director nomination agreement to be entered into at Closing between BMRG, the Sponsor, and certain Eos equityholders.

“DTC” means The Depository Trust Company.

“DWAC” means Deposit Withdrawal at Custodian.

“Eos” means Eos Energy Storage LLC.

“Equity Commitment Letter” means the Equity Commitment Letter, dated September 7, 2020, by and among BMRG and B. Riley Financial.

“Exchange Act” means the Securities Exchange Act of 1934, as amended.

“forward purchase agreement” means the forward purchase agreement, dated as of May 19, 2020, by and between BMRG and BRPI, providing for the sale of 2,500,000 forward purchase units to BRPI (or its designees) in a private placement to close concurrently with the business combination. Pursuant to the terms of the Equity Commitment Letter, the forward purchase agreement has been terminated in its entirety.

“forward purchase units” mean an aggregate 2,500,000 units to be issued to BRPI (or its designees) pursuant to the forward purchase agreement.

“founder shares” means the shares of Class B common stock purchased by BMRG’s initial stockholders.

“GAAP” means United States generally accepted accounting principles, consistently applied, as in effect from time to time.

“HSR Act” means the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, and the rules and regulations promulgated thereunder.

“Incentive Plan” means the B. Riley Principal Merger Corp. II 2020 Incentive Plan.

“incentive plan proposal” means the proposal to approve and adopt the B. Riley Principal Merger Corp. II 2020 Incentive Plan.

“initial stockholders” means the Sponsor and the independent directors.

“Investment Company Act” means the Investment Company Act of 1940, as amended.

“IPO” means the Company’s initial public offering, consummated on May 22, 2020, through the sale of 17,500,000 units at $10.00 per unit.

“IRS” means the Internal Revenue Service.

“JOBS Act” means the Jumpstart Our Business Startups Act of 2012, as amended.

“Merger Agreement” means the agreement and plan of merger, dated September 7, 2020, by and among BMRG, Merger Sub I, Merger Sub II, Eos, Newco and AltEnergy.

“Merger Sub I” means BMRG Merger Sub, LLC.

“Merger Sub II” means BMRG Merger Sub II, LLC.

“Nasdaq” means The Nasdaq Capital Market.

“Newco” means New Eos Energy LLC.

“NYSE” means the New York Stock Exchange.

“stock issuance proposal” means the proposal to approve, assuming the business combination proposal and the charter amendment proposal are approved and adopted, for the purposes of complying with the applicable provisions of Section 312.03 of the NYSE’s Listed Company Manual, (i) the issuance of shares of common stock to the Sellers pursuant to the terms of the Merger Agreement, and (ii) the issuance of shares of common stock to B. Riley Financial and/or other investors pursuant to the terms of the Equity Commitment Letter or other equity financing agreements that may be entered into prior to Closing.

“private placement” means the private sale of the private placement units simultaneously with the closing of the IPO.

“private placement shares” means the shares of Class A common stock in the private placement units issued in the private placement.

“private placement units” means the 650,000 units at $10.00 per private placement unit purchased by the Sponsor in the private placement, each of which consists of one share of Class A common stock and one-half of one private placement warrant.

“private placement warrants” means the warrants underlying the private placement units issued in the private placement, each of which is exercisable for one share of Class A common stock at $11.50 per share.

“Projections” means the prospective financial information prepared by management of Eos and provided to BMRG’s board of directors.

“Promissory Note” means the promissory note issued on February 4, 2020 to the Sponsor by BMRG, pursuant to which BMRG borrowed an aggregate principal amount of $300,000, and which was repaid using proceeds from the IPO on May 22, 2020.

“Proposed Charter” means the third amended and restated certificate of incorporation of the Company which, if approved, would take effect upon the Closing.

“public shares” means the shares of Class A common stock included in the units sold by BMRG in the IPO.

“public stockholder” means a holder of BMRG’s public shares.

“public warrants” means the 8,750,000 redeemable warrants sold as part of the units in the IPO.

“redemption rights” means the rights of stockholders to elect to redeem all or a portion of the public shares into a pro rata portion of the cash held in the trust account.

“Registrable Security” means (a) the shares of common stock issued by the Company to the Securityholders (as defined in the Registration Rights Agreement) and any other Holders (as defined in the Registration Rights Agreement) pursuant to the Merger Agreement and (b) any other equity security of the Company issued or issuable to any Holder (as defined in the Registration Rights Agreement) with respect to any such shares of common stock by way of a stock dividend or stock split or in connection with a combination of shares, recapitalization, merger, consolidation or reorganization; provided, however, that, as to any particular Registrable Security, such securities shall cease to be Registrable Securities when: (i) a Registration Statement (as defined in the Registration Rights Agreement) with respect to the sale of such securities shall have become effective under the Securities Act and such securities shall have been sold, transferred, disposed of or exchanged in accordance with such Registration Statement (as defined in the Registration Rights Agreement); (ii) such securities shall have been otherwise transferred, new certificates for such securities not bearing a legend restricting further transfer shall have been delivered by the Company and subsequent public distribution of such securities shall not require registration under the Securities Act; (iii) such securities shall have ceased to be outstanding; (iv) such securities may be sold without registration pursuant to Rule 144 promulgated under the Securities Act (or any successor rule promulgated thereafter by the SEC) (but with no volume or other restrictions or limitations); or (v) such securities have been sold to, or through, a broker, dealer or underwriter in a public distribution or other public securities transaction.

“Rule 144” means Rule 144 under the Securities Act.

“SEC” means the U.S. Securities and Exchange Commission.

“Securities Act” means the Securities Act of 1933, as amended.

“SOX” means the Sarbanes-Oxley Act of 2002, as amended.

“special meeting” means the special meeting of stockholders of BMRG.

“Sponsor” means the Company’s sponsor, B. Riley Principal Sponsor Co. II, LLC.

“transfer agent” means Continental Stock Transfer & Trust Company.

“trust account” means the trust account established in connection with the IPO.

“units” means the units of the Company, each consisting of one share of Class A common stock and one-half of one redeemable warrant of the Company, with each such warrant entitling the holder thereof to purchase one share of Class A common stock at a price of $11.50 per share.

“warrants” means the private placement warrants and public warrants.

“Working Capital Loans” means the loans for any additional funds as may be required that may be made to BMRG in order to finance transaction costs in connection with a business combination by the Sponsor, an affiliate of the Sponsor or certain of BMRG’s officers and directors, which will be repaid only upon the completion of a business combination.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

The statements contained in this proxy statement that are not purely historical are forward-looking statements. Our forward-looking statements include, but are not limited to, statements regarding our or our management team’s expectations, hopes, beliefs, intentions or strategies regarding the future. The information included in this proxy statement in relation to Eos has been provided by Eos and its management team, and forward-looking statements include statements relating to Eos’s management team’s expectations, hopes, beliefs, intentions or strategies regarding the future. In addition, any statements that refer to projections, forecasts or other characterizations of future events or circumstances, including any underlying assumptions, are forward-looking statements. The words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intends,” “may,” “might,” “plan,” “possible,” “potential,” “predict,” “project,” “should,” “would” and similar expressions may identify forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking. Forward-looking statements in this proxy statement may include, for example, statements about:

•        our ability to complete the initial business combination, or, if not consummate the business combination, any other business combination;

•        the benefits of the business combination;

•        the future financial performance of the combined company following the business combination;

•        expansion plans and opportunities; and

•        our potential ability to obtain financing to complete the business combination.

The forward-looking statements contained in this proxy statement are based on our current expectations and beliefs concerning future developments and their potential effects on us. There can be no assurance that future developments affecting us will be those that we have anticipated. These forward-looking statements involve a number of risks, uncertainties (some of which are beyond our control) or other assumptions that may cause actual results or performance to be materially different from those expressed or implied by these forward-looking statements. These risks and uncertainties include, but are not limited to:

•        satisfaction of conditions to the business combination;

•        the occurrence of any event, change or other circumstances that could give rise to the termination of the Merger Agreement;

•        the ability to obtain the listing of our common stock on Nasdaq following the business combination;

•        our ability to raise financing in the future;

•        our success in retaining or recruiting, or changes required in, our officers, key employees or directors following the business combination;

•        our officers and directors allocating their time to other businesses and potentially having conflicts of interest with our business or in approving the business combination, as a result of which they would then receive expense reimbursements;

•        our public securities’ potential liquidity and trading;

•        the use of proceeds not held in the trust account or available to us from interest income on the trust account balance;

•        changes adversely affecting the business in which Eos is engaged;

•        unfavorable conditions or disruptions in the capital and credit markets;

•        Eos’s inability to forecast trends accurately;

•        Eos’s ability to generate cash, service indebtedness and incur additional indebtedness;

•        restrictive covenants that may limit Eos’s business and Eos’s ability to engage in certain corporate and financial transactions;

•        Eos’s ability to obtain capital on commercially reasonable terms;

•        fluctuations in Eos’s revenue and operating results;

•        competition from existing or new competitors;

•        risks associated with security breaches in Eos’s information technology systems;

•        Eos’s success in retaining or recruiting management and key employees;

•        risks related to legal proceedings or claims, including liability claims;

•        risks related to labor disputes;

•        risks associated with changes in federal, state, or local laws;

•        risks associated with potential costs of regulatory compliance; and

•        risks associated with changes to U.S. trade policies;

•        risks resulting from the impact of global pandemics, including the novel coronavirus, COVID-19;

•        general economic conditions; and

•        other factors detailed under the section entitled “Risk Factors” herein.

Should one or more of these risks or uncertainties materialize, or should any of our assumptions prove incorrect, actual results may vary in material respects from those projected in these forward-looking statements. We undertake no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required under applicable securities laws. Before a stockholder grants its proxy or instructs how its votes should be cast or vote on the proposals set forth in this proxy statement, it should be aware that the occurrence of the events described in the “Risk Factors” section and elsewhere in this proxy statement may adversely affect BMRG or Eos.

QUESTIONS AND ANSWERS ABOUT THE PROPOSALS

The following questions and answers briefly address some commonly asked questions about the proposals to be presented at the special meeting, including the business combination. The following questions and answers do not include all the information that is important to our stockholders. We urge our stockholders to read carefully this entire proxy statement, including the annexes and other documents referred to herein.

Q:     Why am I receiving this proxy statement?

A:     BMRG is proposing to consummate a business combination with Eos. BMRG and Eos have entered into the Merger Agreement, the terms of which are described in this proxy statement. You are being asked to consider and vote on the business combination. The Merger Agreement provides for, among other things, transactions pursuant to which (1) Merger Sub I will merge with and into Newco (the “First Merger”), whereupon the separate existence of Merger Sub I will cease, and Newco will continue as the surviving company (such company, in its capacity as the surviving company of the First Merger, is sometimes referred to as the “First Surviving Company”) and become a wholly owned subsidiary of BMRG; and (2) immediately following the First Merger and as part of the same overall transaction as the First Merger, the First Surviving Company will merge with and into Merger Sub II (the “Second Merger” and, together with the First Merger, the “Mergers”), whereupon the separate existence of the First Surviving Company will cease, and Merger Sub II will continue as the surviving company (Merger Sub II, in its capacity as the surviving company of the Second Merger, is sometimes referred to as the “Ultimate Surviving Company”) and a wholly owned subsidiary of BMRG, as described herein, on the terms and subject to the conditions set forth in the Merger Agreement, all of which is referred to, along with the other transactions contemplated by the Merger Agreement, as the “business combination.” A copy of the Merger Agreement is attached to this proxy statement as Annex A. BMRG urges its stockholders to read the Merger Agreement in its entirety.

Consummation of the business combination is contingent upon, among other things, the approval of the business combination proposal at the special meeting, which requires the approval of holders of at least a majority of the shares of Class A common stock and Class B common stock that are voted in person (which would include virtual voting) or by proxy at the special meeting.

YOUR VOTE IS IMPORTANT. STOCKHOLDERS ARE URGED TO SUBMIT THEIR PROXIES AS SOON AS POSSIBLE AFTER CAREFULLY REVIEWING THIS PROXY STATEMENT.

Q:     Why is BMRG proposing the business combination?

A:     BMRG was organized to effect a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses. Since BMRG’s organization, BMRG’s Board of Directors has sought to identify suitable candidates in order to effect such a transaction. In its review of Eos, BMRG’s Board of Directors considered a variety of factors weighing positively and negatively in connection with the business combination. After careful consideration, BMRG’s Board of Directors has determined that the business combination presents a highly-attractive business combination opportunity and is in the best interests of BMRG stockholders. The BMRG Board of Directors believes that, based on its review and consideration, the business combination with Eos presents an opportunity to increase stockholder value. However, there can be no assurance that the anticipated benefits of the business combination will be achieved. Stockholder approval of the business combination is required by the Merger Agreement and the Current Charter as well as to comply with NYSE Listing Rule 312.03.

See “The Business Combination Proposal — BMRG’s Board of Directors’ Reasons for the Approval of the Business Combination.”

Q:     What will Eos’s equityholders receive in return for the acquisition of Eos by BMRG?

A:     Subject to the terms and conditions set forth in the Merger Agreement, Eos’s equityholders, which include AltEnergy (the “Sellers”), will receive aggregate consideration 30,000,000 shares of our common stock. Such aggregate consideration has a value of $300 million. The Merger Agreement also contemplates the issuance of an additional 2,000,000 shares of the Company’s common stock to Eos’s securityholders pending the achievement (if any) of certain earnout targets pursuant to the terms of the Merger Agreement.

Q:     Will BMRG obtain new financing in connection with the business combination?

A:     At the time of our IPO, we entered into the forward purchase agreement which provides for the purchase, immediately prior to the Closing, by BRPI, an affiliate of the Sponsor, or its designees of $25,000,000 of our units at a price of $10.00 per unit, or an aggregate of 2,500,000 units, each comprised of one share of Class A common stock (the “forward purchase shares”) and one-half of one warrant (the “forward purchase warrants”).

In order to help meet the condition under the Merger Agreement that we have at least $110 million of cash available from the trust account and from the proceeds of investments of equity financing sources before taking into account certain expenses upon the Closing (before taking into account certain expenses), we have entered into an Equity Commitment Letter with B. Riley Financial, Inc. (“B. Riley Financial”), pursuant to which B. Riley Financial committed to purchase up to 4,000,000 shares of Class A common stock, at a price per share of $10.00 per share, or up to $40,000,000 in equity financing at Closing, less the number of shares of Class A common stock already issued pursuant to subscription agreements with investors entered into prior to the Closing. The Equity Commitment Letter effectively terminated the forward purchase agreement entered at the time of the IPO requiring our sponsor and its affiliate to purchase immediately prior to the Closing an aggregate of 2,500,000 units, each comprised of one share of Class A common stock and one-half of one warrant. Please see “Closing Funding” in the accompanying proxy statement.

BRFBR is our capital markets advisor in connection with the business combination, was the underwriter of the IPO and is an affiliate of the Company and the Sponsor. B. Riley Financial is the ultimate parent company of BRFBR, the Sponsor and BRPI. See “Certain Relationships and Related Party Transactions” for more information on the relationship between BRFBR and the Company and our other related party transactions. For more information on the beneficial ownership of the Company’s securities by B. Riley Financial, see “Beneficial Ownership of Securities.”

Q:     What voting interests will our current stockholders, initial stockholders and Eos’s management hold in the Company immediately after the Closing?

A:     We anticipate that, upon completion of the business combination, the voting interests in the Company will be as set forth in the table below.

The voting percentages set forth above do not take into account (i) warrants that will remain outstanding immediately following the business combination and may be exercised thereafter (commencing thirty (30) days after the Closing) or (ii) the issuance of any shares upon completion of the business combination under the Incentive Plan. For more information, please see the section entitled “Unaudited Pro Forma Condensed Combined Financial Information.”

If the actual facts are different than the assumptions set forth above, the voting percentages set forth above will be different. For example, there are currently outstanding an aggregate of 9,075,000 warrants to acquire our

shares of Class A common stock, which are comprised of 325,000 private placement warrants held by our initial stockholders and 8,750,000 warrants sold as part of the units in the Company’s IPO (the “public warrants”). Each of our outstanding warrants is exercisable commencing thirty (30) days following the Closing for one share of common stock. If we assume that each outstanding warrant is exercised and one-half of one share of common stock is issued as a result of such exercise, with payment to BMRG of the exercise price of $11.50 per warrant for one share, our fully-diluted share capital would increase by a total of 9,075,000 shares, with approximately $104,362,500 paid to BMRG to exercise the warrants.

Q:     How will the Company be managed following the business combination?

A:     Following the Closing, the current Eos management team will operate the combined company. Upon the Closing, the Company will change its name to Eos Energy Enterprises, Inc.

Please see the section entitled “Management of the Company Following the Business Combination” for further information.

Q:     What interests do our initial stockholders, current officers and directors, and Eos’s current owners have in the business combination?

A:     In considering the recommendation of our board of directors to vote in favor of the business combination, stockholders should be aware that, aside from their interests as stockholders, our Sponsor and our directors and officers and Eos’s current owners have interests in the business combination that are different from, or in addition to (and which may conflict with), those of our other stockholders generally. Our directors were aware of and considered these interests, among other matters, in evaluating the business combination, and in recommending to our stockholders that they approve the business combination. Stockholders should take these interests into account in deciding whether to approve the business combination. These interests include, among other things:

•        the fact that our initial stockholders have waived their right to redeem any of the founder shares, private placement shares and public shares in connection with a stockholder vote to approve a proposed initial business combination;

•        the fact that our initial stockholders received the 4,375,000 founder shares for nominal consideration, which will convert into 4,375,000 shares of Class A common stock in accordance with the terms of the Current Charter, subject to adjustment, and such securities will have a significantly higher value at the time of the business combination, estimated at approximately $43,793,750 based on the closing price of $10.01 per public share on the NYSE on October 21, 2020 (prior to taking into account any forfeitures of founder shares by the Sponsor);

•        the fact that our initial stockholders have agreed to waive their rights to liquidating distributions from the trust account with respect to their founder shares and private placement shares if BMRG fail to complete an initial business combination by November 22, 2021;

•        the fact that our Sponsor paid $6,500,000 for 650,000 private placement units, with each warrant underlying the private placement units being exercisable commencing thirty (30) days following the Closing for one share of common stock at $11.50 per share. If BMRG does not consummate an initial business combination by November 22, 2021, then the proceeds from the sale of the private placement units will be part of the liquidating distribution to the public stockholders and the warrants held by our Sponsor will be worthless. The 650,000 shares underlying such units and the 325,000 warrants underlying such units held by our Sponsor had an aggregate market value of approximately $6,896,500 based upon the closing price of $10.01 per share and $1.20 per warrant on the NYSE on October 21, 2020, respectively, the most recent practicable date prior to the date of this proxy statement;

•        the right of the Sponsor to receive approximately 325,000 shares of common stock to be issued upon exercise of their private placement warrants following the business combination, subject to certain lock-up periods;

•        the obligation of B. Riley Financial under the Equity Commitment Letter, pursuant to which it may purchase up to 4,000,000 shares of Class A common stock for a price of $10.00 per share;

•        the fact that our Sponsor has customary registration rights, including demand and “piggyback” rights, with respect to the founder shares, private placement units, private placement warrants and other securities;

•        the fact that, if the trust account is liquidated, including in the event we are unable to complete an initial business combination within the required time period, our Sponsor has agreed that it will be liable to us if and to the extent any claims by a third-party (other than our independent registered public accounting firm) for services rendered or products sold to us, or a prospective target business with which we have entered into a written letter of intent, confidentiality or other similar agreement or business combination agreement, reduce the amount of funds in the trust account to below: (i) $10.10 per public share; or (ii) such lesser amount per public share held in the trust account as of the date of the liquidation of the trust account due to reductions in the value of the trust assets, in each case, net of the interest which may be withdrawn to pay taxes and up to $100,000 of interest to pay dissolution expenses, except as to any claims by a third-party who executed a waiver of any and all rights to seek access to the trust account and except as to any claims under our indemnity of the underwriters of the IPO against certain liabilities, including liabilities under the Securities Act;

•        the fact that, upon completion of the business combination, an aggregate amount of approximately $6,125,000 in deferred underwriting discount, advisory fees and capital markets advisor fees, will be payable to B. Riley Securities, Inc., an affiliate of us and the Sponsor;

•        the inclusion in the Proposed Charter of an election for Section 203 of the DGCL, which governs business combinations between the Company and certain interested stockholders, not to apply to the Company;

•        the anticipated nomination of Mr. Shribman, our Chief Executive Officer, Chief Financial Officer and director, as a director of the Company after the Closing in accordance with the terms of the Director Nomination Agreement. As such, in the future he will receive any cash fees, stock options, stock awards or other remuneration that the Company’s board of directors determines to pay to our directors; and

•        the continued indemnification of our existing directors and officers and the continuation of our directors’ and officers’ liability insurance after the business combination.

Please also see the sections “Certain Relationships and Related Party Transactions” and “Beneficial Ownership of Securities” for more information on the interests and relationships of our initial stockholders, current officers and directors, and Eos’s current owners.

Q:     What happens to the funds deposited in the trust account after the Closing?

A:     Upon the completion of the IPO, a total of $175,000,000 was placed in a trust account maintained by Continental Stock Transfer & Trust Company, acting as trustee. As of June 30, 2020, there were investments and cash held in the trust account of approximately $176.76 million. These funds will not be released until the earlier of the completion of our initial business combination and the redemption of our public shares if we are unable to complete an initial business combination by November 22, 2021, although we may withdraw the interest earned on the funds held in the trust account to pay taxes.

Q:     What happens if a substantial number of the public stockholders vote in favor of the business combination proposal and exercise their redemption rights?

A:     BMRG’s public stockholders may vote in favor of the business combination and exercise their redemption rights. Accordingly, the business combination may be consummated even though the funds available from the trust account and the number of public stockholders are reduced as a result of redemptions by public stockholders.

However, the Closing is conditioned upon, among other things, approval by BMRG’s stockholders of the Merger Agreement and the business combination and the Merger Agreement is subject to a number of conditions as set forth below under “What conditions must be satisfied to complete the business combination?”.

In addition, with fewer public shares and public stockholders, the trading market for common stock may be less liquid than the market for shares of Class A common stock was prior to the Closing and the Company may not be able to meet the listing standards for the Nasdaq or another national securities exchange. In addition, with less funds available from the trust account, the working capital infusion from the trust account into the Company’s business will be reduced.

Q:     What conditions must be satisfied to complete the business combination?

A:     Unless waived by the parties to the Merger Agreement, and subject to applicable law, the consummation of the business combination is subject to a number of conditions set forth in the Merger Agreement including, among other things, that that (i) we have an aggregate of at least $110 million of cash available from the trust account and from the proceeds of investments of equity financing sources before taking into account certain expenses, (ii) the recipe for the Eos’s proprietary electrolyte solution has been deposited with a third party escrow agent (to be released to BMRG’s Chief Executive Officer if certain events occur with regard to the two employees who have knowledge of the formula), and (iii) BMRG’s stockholders approve the Merger Agreement and the business combination. Unless waived, if any of these conditions are not satisfied, the business combination may not be consummated. Furthermore, in no event will we redeem our public shares in an amount that would cause our net tangible assets to be less than $5,000,001.

Q:     What happens if the business combination is not consummated?

A:     If we are not able to complete the business combination with Eos or another initial business combination by November 22, 2021, we will cease all operations except for the purpose of winding up and redeeming our public shares and liquidating the trust account, in which case our public stockholders may only receive approximately $10.00 per share and our warrants will expire worthless.

Q:     When do you expect the business combination to be completed?

A:     It is currently anticipated that the business combination will be consummated as soon as practicable following the BMRG special meeting, which is set for November 12, 2020; however, such meeting could be adjourned if the adjournment proposal is adopted by our stockholders at the special meeting and we elect to adjourn the special meeting to a later date or dates to permit further solicitation and vote of proxies if, based upon the tabulated vote at the time of the special meeting, any of the condition precedent proposals or the incentive plan proposal has not been approved. For a description of the conditions for the completion of the business combination, see “The Business Combination — The Merger Agreement — Conditions to Closing of the Business Combination.”

Q:     What proposals are stockholders being asked to vote upon?

A:     Under the Merger Agreement, the approval of the condition precedent proposals is a condition to the Closing. If our public stockholders do not approve each of the condition precedent proposals, then the business combination may not be consummated.

In addition, as required by applicable SEC guidance, the Company is requesting that our stockholders vote upon, on a non-binding advisory basis, a proposal to approve certain amendments contained in the Proposed Charter that materially affect stockholder rights, which are those amendments that will be made to the Current Charter as reflected in the Proposed Charter if the charter amendment proposal is approved. This separate vote is not otherwise required by Delaware law separate and apart from the charter amendment proposal, but pursuant to SEC guidance, the Company is required to submit these provisions to our stockholders separately for approval. However, the stockholder vote regarding these proposals are advisory votes, and are not binding on the Company or our board of directors (separate and apart from the approval of the charter amendment proposal). Furthermore, the business combination is not conditioned on the separate approval of the advisory charter proposals (separate and apart from approval of the charter amendment proposal).

The stockholders are also being asked to vote upon a proposal to approve the Incentive Plan, effective as of Closing.

In addition to the foregoing proposals, the stockholders also may be asked to consider and vote upon a proposal to adjourn the special meeting to a later date or dates to permit further solicitation and vote of proxies if (1) based upon the tabulated vote at the time of the special meeting, each of the condition precedent proposals has not been approved and/or (2) BMRG determines that one or more of the closing conditions under the Merger Agreement has not been satisfied. See “The Adjournment Proposal.”

BMRG will hold the special meeting of our stockholders to consider and vote upon these proposals. This proxy statement contains important information about the business combination and the other matters to be acted upon at the special meeting. Stockholders should read it carefully.

After careful consideration, BMRG’s board of directors has unanimously approved the Merger Agreement and the transactions contemplated thereby and determined that the business combination proposal, the stock issuance proposal, the charter amendment proposal, each of the advisory charter proposals, the incentive plan proposal and the adjournment proposal is in the best interests of BMRG and its stockholders and unanimously recommends that you vote or give instruction to vote “FOR” each of those proposals.

The existence of financial and personal interests of BMRG’s directors and officers may result in a conflict of interest on the part of one or more of the directors between what he or they may believe is in the best interests of BMRG and its stockholders and what he or they may believe is best for himself or themselves in determining to recommend that stockholders vote for the proposals. See the sections entitled “The Business Combination Proposal — Interests of Certain Persons in the Business Combination” and “Beneficial Ownership of Securities” for a further discussion.

THE VOTE OF STOCKHOLDERS IS IMPORTANT. STOCKHOLDERS ARE URGED TO SUBMIT THEIR PROXIES AS SOON AS POSSIBLE AFTER CAREFULLY REVIEWING THIS PROXY STATEMENT.

Q:     What material negative factors did BMRG’s board of directors consider in connection with the business combination?

A:     Although the board of directors believes that the acquisition of Eos will provide our stockholders with an opportunity to participate in a combined company that is well positioned to become a leading publicly-traded manufacturer, designer and developer of Znyth® batteries, and is well aligned with all the key factors central to BMRG’s strategy, the board of directors did consider certain potentially material negative factors in arriving at that conclusion, such as the risk that stockholders would not approve the business combination and the risk that a significant number of stockholders would exercise their redemption rights. These factors are discussed in greater detail in the section entitled “The Business Combination Proposal — BMRG’s Board of Directors’ Reasons for the Approval of the Business Combination,” as well as in the section entitled “Risk Factors — Risks Relating to BMRG and the Business Combination.”

Q:     Do I have redemption rights?

A:     If you are a holder of public shares, you have the right to request that BMRG redeem all or a portion of your public shares for cash provided that you follow the procedures and deadlines described elsewhere in this proxy statement. A public stockholder may elect to redeem all or a portion of such public stockholder’s public shares even if such public stockholder votes for the business combination proposal. We sometimes refer to these rights to elect to redeem all or a portion of the public shares into a pro rata portion of the cash held in the trust account as “redemption rights.” If you wish to exercise your redemption rights, please see the answer to the next question, “How do I exercise my redemption rights?”

Notwithstanding the foregoing, a holder of public shares, together with any affiliate of such public stockholder or any other person with whom such public stockholder is acting in concert or as a “group” (as defined in Section 13 of the Exchange Act), will be restricted from redeeming its public shares with respect to more than an aggregate of 20% of the public shares, without our prior consent. Accordingly, if a public stockholder, alone or acting in concert or as a group, seeks to redeem more than 20% of the public shares, then any such shares in excess of that 20% limit would not be redeemed for cash, without our prior consent.

Our initial stockholders entered into a letter agreement, pursuant to which they have agreed to waive their redemption rights with respect to their founder shares, private placement shares and public shares in connection with the completion of a business combination.

The Closing is conditioned upon, among other things, that (i) we have an aggregate of at least $110 million of cash available from the trust account and from the proceeds of investments of equity financing sources before taking into account certain expenses, (ii) the recipe for the Eos’s proprietary electrolyte solution has been deposited with a third party escrow agent (to be released to BMRG’s Chief Executive Officer if certain events occur with regard to the two employees who have knowledge of the formula), and (iii) BMRG’s stockholders approve the Merger Agreement and the business combination. Unless waived, if any of these conditions are not satisfied, the business combination may not be consummated. Furthermore, in no event will we redeem our public shares in an amount that would cause our net tangible assets to be less than $5,000,001. See “The Business Combination Proposal — The Merger Agreement.”

Q:     How do I exercise my redemption rights?

A:     If you are a holder of public shares and wish to exercise your right to redeem your public shares, you must:

(i)     (a) hold public shares or (b) hold public shares through units and elect to separate your units into the underlying public shares and public warrants prior to exercising your redemption rights with respect to the public shares; and

(ii)    prior to 10:00 AM, Eastern Time, on November 10, 2020 (two (2) business days prior to the vote at the special meeting) (a) submit a written request to the transfer agent that the Company redeem your public shares for cash and (b) deliver your public shares to the transfer agent, physically or electronically through DTC.

The address of the transfer agent is listed under the question “Who can help answer my questions?” below.

Holders of units must elect to separate the underlying public shares and public warrants prior to exercising redemption rights with respect to the public shares. If holders hold their units in an account at a brokerage firm or bank, holders must notify their broker or bank that they elect to separate the units into the underlying public shares and public warrants, or if a holder holds units registered in its own name, the holder must contact the transfer agent directly and instruct it to do so.

Any holder of public shares will be entitled to request that their public shares be redeemed for a per share price, payable in cash, equal to the aggregate amount then on deposit in the trust account calculated as of two (2) business days prior to the Closing, including interest earned on the funds held in the trust account (net of taxes payable), divided by the number of then-outstanding public shares. For illustrative purposes, as of June 30, 2020, this would have amounted to approximately $10.10 per public share. However, the proceeds deposited in the trust account could become subject to the claims of our creditors, if any, which could have priority over the claims of our public stockholders, regardless of whether such public stockholders vote for or against the business combination proposal. Therefore, the per share distribution from the trust account in such a situation may be less than originally anticipated due to such claims. Your vote on any proposal other than the business combination proposal will have no impact on the amount you will receive upon exercise of your redemption rights. We anticipate that the funds to be distributed to public stockholders electing to redeem their public shares will be distributed promptly after the Closing.

If you are a holder of public shares, you may exercise your redemption rights by submitting your request in writing to the transfer agent at the address listed at the end of this section.

Any request for redemption, once made by a holder of public shares, may be withdrawn at any time until the deadline for exercising redemption requests and thereafter, with our consent, until the Closing. If you deliver your shares for redemption to the transfer agent and later decide prior to Closing not to elect redemption, you may request that BMRG instruct our transfer agent to return the shares (physically or electronically). You may make such request by contacting the transfer agent at the phone number or address listed at the end of this section. We will be required to honor such request only if made prior to the deadline for exercising redemption requests.

Any corrected or changed written exercise of redemption rights must be received by the transfer agent prior to the deadline for exercising redemption requests and, thereafter, with our consent, prior to Closing. No request for redemption will be honored unless the holder’s stock has been delivered (either physically or electronically) to the transfer agent by 10:00 AM, on November 10, 2020.

If a holder of public shares properly makes a request for redemption and the public shares are delivered as described above, then, if the business combination is consummated, the Company will redeem public shares for a pro rata portion of funds deposited in the trust account, calculated as of two (2) business days prior to the Closing.

If you are a holder of public shares and you exercise your redemption rights, it will not result in the loss of any BMRG warrants that you may hold.

Q:     Will how I vote on the business combination proposal affect my ability to exercise redemption rights?

A:     No. You may exercise your redemption rights irrespective of whether you vote your Class A common stock for or against the business combination proposal or any other proposal described by this proxy statement. As a result, the Merger Agreement can be approved by stockholders who will redeem their public shares and no longer remain stockholders, leaving stockholders who choose not to redeem their shares holding shares in a company with a less liquid trading market, fewer stockholders, less cash and the potential inability to meet the listing standards of the NYSE.

Q:     If I am a holder of units, can I exercise redemption rights with respect to my units?

A:     No. Holders of outstanding units must elect to separate the units into the underlying public shares and public warrants prior to exercising redemption rights with respect to the public shares. If you hold your units in an account at a brokerage firm or bank, you must notify your broker or bank that you elect to separate the units into the underlying public shares and public warrants, or if you hold units registered in your own name, you must contact the transfer agent directly and instruct them to do so. If you fail to cause your public shares to be separated and delivered to the transfer agent by 10:00 AM, on November 10, 2020 you will not be able to exercise your redemption rights with respect to your public shares.

Q:     What are the U.S. federal income tax consequences of exercising my redemption rights?

A:     Whether the redemption is subject to U.S. federal income tax depends on the particular facts and circumstances. Please see the section entitled “Certain United States Federal Income Tax Considerations.” We urge you to consult your tax advisors regarding the tax consequences of exercising your redemption rights.

Q:     Do I have appraisal rights in connection with the proposed business combination?

A:     No. Neither our stockholders nor our warrant holders have appraisal rights in connection with the business combination under the DGCL.

Q:     What do I need to do now?

A:     BMRG urges you to read carefully and consider the information contained in this proxy statement, including the annexes, and to consider how the business combination will affect you as a stockholder and/or warrant holder of BMRG. Stockholders should then vote as soon as possible in accordance with the instructions provided in this proxy statement and on the enclosed proxy card.

Q:     How do I vote?

A:     If you are a holder of record of shares of BMRG common stock on the record date, you may vote in person (which would include virtual voting) at the special meeting or by submitting a proxy for the special meeting. You may submit your proxy by completing, signing, dating and returning the enclosed proxy card in the accompanying pre-addressed postage paid envelope. If you hold your shares in “street name,” which means your shares are held of record by a broker, bank or nominee, you should contact your broker to ensure that votes related to the shares you beneficially own are properly counted. In this regard, you must provide the broker, bank or nominee with instructions on how to vote your shares or, if you wish to attend the special meeting and vote in person (which would include virtual voting), obtain a proxy from your broker, bank or nominee.

Q:     If my shares are held in “street name,” will my broker, bank or nominee automatically vote my shares for me?

A:     No. Under the rules of various national and regional securities exchanges, your broker, bank, or nominee cannot vote your shares with respect to non-discretionary matters unless you provide instructions on how to vote in accordance with the information and procedures provided to you by your broker, bank, or nominee.

We believe that none of the proposals presented to the stockholders at this special meeting will be considered non-discretionary and, therefore, your broker, bank, or nominee cannot vote your shares without your instruction on any of the proposals presented at the special meeting. Accordingly, if you do not provide instructions on the proposals with your proxy, your broker, bank, or other nominee may deliver a proxy card expressly indicating that it is NOT voting your shares on such other proposals; this indication that a broker, bank, or nominee is not voting your shares is referred to as a “broker non-vote.” Broker non-votes will not be counted for the purposes of determining the existence of a quorum or for purposes of determining the number of votes cast at the special meeting. Your bank, broker, or other nominee can vote your shares only if you provide instructions on how to vote. You should instruct your broker to vote your shares in accordance with directions you provide.

Q:     When and where will the special meeting be held?

A:     The special meeting will be held at 10:00 AM on November 12, 2020, at https://www.cstproxy.com/brileyprincipalmergercorpii/2020, unless the special meeting is adjourned.

In light of ongoing developments related to COVID-19, and the related protocols that governments have implemented, the Board determined that the special meeting will be a virtual meeting conducted exclusively via live webcast. The Board believes that this is the right choice for the Company and its stockholders at this time, as it permits stockholders to attend and participate in the special meeting while safeguarding the health and safety of the Company’s stockholders, directors and management team. You will be able to attend the special meeting online, vote, view the list of stockholders entitled to vote at the special meeting and submit your questions during the special meeting by visiting https://www.cstproxy.com/brileyprincipalmergercorpii/2020. To participate in the virtual meeting, you will need a 12-digit control number assigned by Continental Stock Transfer & Trust Company. The meeting webcast will begin promptly at 10:00 a.m., Eastern time. We encourage you to access the meeting prior to the start time and you should allow ample time for the check-in procedures. Because the special meeting will be a completely virtual meeting, there will be no physical location for stockholders to attend.

Beneficial stockholders (those holding shares through a stock brokerage account or by a bank or other holder of record) who wish to attend the virtual meeting must obtain a legal proxy by contacting their account representative at the bank, broker, or other nominee that holds their shares and e-mail a copy (a legible photograph is sufficient) of their legal proxy to proxy@continentalstock.com. Beneficial stockholders who e-mail a valid legal proxy will be issued a meeting control number that will allow them to register to attend and participate in the special meeting. After contacting Continental Stock Transfer & Trust Company, a beneficial holder will receive an e-mail prior to the meeting with a link and instructions for entering the special meeting. Beneficial stockholders should contact Continental Stock Transfer & Trust Company at least five business days prior to the meeting date in order to ensure access.

Q:     Who is entitled to vote at the special meeting?

A:     BMRG has fixed October 22, 2020 as the record date. If you were a stockholder of BMRG at the close of business on the record date, you are entitled to vote on matters that come before the special meeting. However, a stockholder may only vote his or her shares if he or she is present in person (which would include virtual presence) or is represented by proxy at the special meeting.

Q:     How many votes do I have?

A:     Our stockholders are entitled to one vote at the special meeting for each share of common stock held of record as of the record date. As of the close of business on the record date, there were outstanding 22,525,000 shares of BMRG common stock, of which 17,500,000 were outstanding public shares.

Q:     What constitutes a quorum?

A:     A quorum of our stockholders is necessary to hold a valid meeting. The presence, in person (which would include virtual presence) or by proxy, of stockholders holding a majority of the voting power of all outstanding shares of capital stock of the company entitled to vote at such meeting constitutes a quorum at the special meeting. In the absence of a quorum, the chairperson of the special meeting has the power to adjourn the special meeting. As of the record date for the special meeting 11,262,501 shares of BMRG common stock would be required to achieve a quorum.

Q:     What vote is required to approve each proposal at the special meeting?

A:     The following votes are required for each proposal at the special meeting:

•        Business combination proposal:    The approval of the business combination proposal requires the affirmative vote by the holders of a majority of the shares of Class A common stock and Class B common stock who, being present and entitled to vote at the special meeting to approve the business combination proposal, vote at the special meeting, voting as a single class.

•        Stock issuance proposal:    The approval of the stock issuance proposal requires the affirmative vote for the proposal by the holders of a majority of the shares of Class A common stock and Class B common stock who, being present and entitled to vote at the special meeting to approve the business combination proposal, vote at the special meeting, voting as a single class.

•        Charter amendment proposal:    The approval of the charter amendment proposal requires the affirmative vote by the holders of a majority of the shares of Class A common stock and Class B common stock who, being present and entitled to vote at the special meeting to approve the charter amendment proposal, vote at the special meeting, voting as a single class.

•        Advisory charter proposals:    The approval of each of the advisory charter proposals, each of which is a non-binding advisory vote, requires the affirmative vote for the proposal by the holders of a majority of the shares of Class A common stock and Class B common stock who, being present and entitled to vote at the special meeting to approve the business combination proposal, vote at the special meeting, voting as a single class.

•        Incentive plan proposal:    The approval of the incentive plan proposal requires the affirmative vote for the proposal by the holders of a majority of the shares of Class A common stock and Class B common stock who, being present and entitled to vote at the special meeting to approve the business combination proposal, vote at the special meeting, voting as a single class.

•        Adjournment proposal:    The approval of the adjournment proposal requires the affirmative vote for the proposal by the holders of a majority of the shares of Class A common stock and Class B common stock who, being present and entitled to vote at the special meeting to approve the business combination proposal, vote at the special meeting, voting as a single class.

Q:     What are the recommendations of BMRG’s board of directors?

A:     BMRG’s board of directors believes that the business combination proposal and the other proposals to be presented at the special meeting are in the best interest of BMRG’s stockholders and unanimously recommends that our stockholders vote “FOR” the business combination proposal, “FOR” the stock issuance proposal, “FOR” the charter amendment proposal, “FOR” each of the separate advisory charter proposals, “FOR” the incentive plan proposal and “FOR” the adjournment proposal, in each case, if presented to the special meeting.

The existence of financial and personal interests of BMRG’s directors and officers may result in a conflict of interest on the part of one or more of the directors between what he or they may believe is in the best interests of BMRG and its stockholders and what he or they may believe is best for himself or themselves in determining to recommend that stockholders vote for the proposals. These conflicts of interest include, among other things, that if we do not consummate an initial business combination by November 22, 2021, we may be forced to liquidate and the 4,375,000 founder shares, 650,000 private placement shares and 325,000 private placement warrants owned by our initial stockholders would be worthless. See the sections entitled “The Business Combination Proposal — Interests of Certain Persons in the Business Combination” and “Beneficial Ownership of Securities” for more information.

Q:     How do our Sponsor and the other initial stockholders intend to vote their shares?

A:     Pursuant to the terms of the letter agreement entered into at the time of the IPO, our initial stockholders agreed to vote their founder shares, private placement shares and any public shares purchased by them, in favor of the business combination proposal. As of the date of this proxy statement, our initial stockholders own an aggregate of 5,025,000 shares of BMRG common stock, which in the aggregate represent approximately 22% of our total outstanding shares on the date of this proxy statement.

Q:     May our Sponsor and the other initial stockholders purchase public shares or warrants prior to the special meeting?

A:     At any time prior to the special meeting, during a period when they are not then aware of any material nonpublic information regarding BMRG or our securities, our initial stockholders, Eos and/or its affiliates may purchase shares and/or warrants from investors, or they may enter into transactions with such investors and others to provide them with incentives to acquire shares of BMRG common stock or vote their shares in favor of the business combination proposal. The purpose of such share purchases and other transactions would be to increase the likelihood that the proposals presented to stockholders for approval at the special meeting are approved or to provide additional equity financing. Any such share purchases and other transactions may thereby increase the likelihood of obtaining stockholder approval of the business combination. This may result in the completion of our business combination that may not otherwise have been possible. While the exact nature of any such incentives has not been determined as of the date of this proxy statement, they might include, without limitation, arrangements to protect such investors or holders against potential loss in value of their shares, including the granting of put options.

Entering into any such incentive arrangements may have a depressive effect on shares of BMRG common stock. For example, as a result of these arrangements, an investor or holder may have the ability to effectively purchase shares at a price lower than market and may therefore be more likely to sell the shares he owns, either prior to or immediately after the special meeting.

If such transactions are effected, the consequence could be to cause the business combination to be approved in circumstances where such approval could not otherwise be obtained. Purchases of shares by the persons described above would allow them to exert more influence over the approval of the proposals to be presented at the special meeting and would likely increase the chances that such proposals would be approved. As of the date of this proxy statement, there have been no such discussions and no agreements to such effect have been entered into with any such investor or holder. BMRG will file a Current Report on Form 8-K to disclose any arrangements entered into or significant purchases made by any of the aforementioned persons that would affect the vote on the proposals to be voted on at the special meeting. Any such report will include descriptions of any arrangements entered into or significant purchases by any of the aforementioned persons.

Q:     What happens if I sell my shares of BMRG common stock before the special meeting?

A:     The record date for the special meeting is earlier than the date of the special meeting and earlier than the date that the business combination is expected to be completed. If you transfer your shares of BMRG common stock after the applicable record date, but before the special meeting, unless you grant a proxy to the transferee, you will retain your right to vote at such special meeting.

Q:     How has the announcement of the business combination affected the trading price of the Company’s Class A common stock, warrants and units?

A:     On September 4, 2020, the last trading date before the public announcement of the business combination, the Company’s Class A common stock, warrants and units closed at $10.21, $1.57 and $10.99, respectively.

Q:     May I change my vote after I have mailed my signed proxy card?

A:     Yes. Stockholders may send a later-dated, signed proxy card to BMRG’s secretary at the address set forth below so that it is received by BMRG’s secretary prior to the vote at the special meeting (which is scheduled to take place on November 12, 2020) or attend the special meeting in person (which would include virtual presence) and vote. Stockholders also may revoke their proxy by sending a notice of revocation to BMRG’s secretary, which must be received by BMRG’s secretary prior to the vote at the special meeting. However, if your shares are held in “street name” by your broker, bank or another nominee, you must contact your broker, bank or other nominee to change your vote.

Q:     What happens if I fail to take any action with respect to the special meeting?

A:     If you fail to take any action with respect to the special meeting and the business combination is approved by stockholders and consummated, you will become a stockholder and/or warrant holder of the Company. If you fail to take any action with respect to the special meeting and the business combination is not approved, you will

remain a stockholder and/or warrant holder of BMRG. However, if you fail to take any action with respect to the special meeting, you will nonetheless be able to elect to redeem your public shares in connection with the business combination, provided you follow the instructions in this proxy statement for redeeming your shares.

Q:     What should I do with my stock certificates, warrant certificates and/or unit certificates?

A:     Stockholders who exercise their redemption rights must deliver their stock certificates to the transfer agent (either physically or electronically) prior to 10:00 AM, Eastern Time, on November 10, 2020 (two (2) business days prior to the vote at the special meeting).

BMRG warrant holders should not submit the certificates relating to their warrants. Public stockholders who do not elect to have their public shares redeemed for the pro rata share of the trust account should not submit the certificates relating to their public shares.

Upon effectiveness of the business combination, holders of BMRG units, common stock and warrants will receive units, common stock and warrants of the Company without needing to take any action and accordingly such holders should not submit the certificates relating to their units, common stock and warrants. In addition, before the Closing, each outstanding unit of BMRG (each of which consists of one share of Class A common stock and one warrant to purchase one share of Class A common stock) will be separated into its component share of common stock and warrant.

Q:     What should I do if I receive more than one set of voting materials?

A:     Stockholders may receive more than one set of voting materials, including multiple copies of this proxy statement and multiple proxy cards or voting instruction cards. For example, if you hold your shares in more than one brokerage account, you will receive a separate voting instruction card for each brokerage account in which you hold shares. If you are a holder of record and your shares are registered in more than one name, you will receive more than one proxy card. Please complete, sign, date and return each proxy card and voting instruction card that you receive in order to cast a vote with respect to all of your shares of BMRG common stock.

Q:     Who can help answer my questions?

A:     If you have questions about the business combination or if you need additional copies of the proxy statement or the enclosed proxy card you should contact:

Morrow Sodali LLC
470 West Avenue, Suite 3000
Stamford CT 06902
Tel: (800) 662-5200
Banks and brokers call collect: (203) 658-9400
E-mail: BMRG.info@investor.morrowsodali.com

You also may obtain additional information about BMRG from documents filed with the SEC by following the instructions in the section entitled “Where You Can Find More Information.” If you are a holder of public shares and you intend to seek redemption of your shares, you will need to deliver your public shares (either physically or electronically) to the transfer agent at the address below prior to 10:00 AM, Eastern Time, on November 10, 2020 (two (2) business days prior to the vote at the special meeting). If you have questions regarding the certification of your position or delivery of your stock, please contact:

Mark Zimkind
Continental Stock Transfer & Trust Company
One State Street Plaza, 30th Floor
New York, New York 10004
E-mail: mzimkind@continentalstok.com

RISK FACTORS

Stockholders should carefully consider the following risk factors, together with all of the other information included in this proxy statement, before they decide whether to vote or instruct their vote to be cast to approve the proposals described in this proxy statement. The risks and uncertainties described below are not the only ones we face. Additional risks not presently known to us or that we currently believe are not material may also significantly impair our business operations. If any of the risks or uncertainties described below or any additional risks and uncertainties actually occur, our business, results of operations, financial condition, and trading price of our common stock could be materially and adversely affected. In particular, forward-looking statements are inherently subject to risks and uncertainties, some of which cannot be predicted or quantified. See “Cautionary Statement Regarding Forward-Looking Statements.”

Risks Related to Eos’s Business and Industry

Eos has a history of losses and has to deliver significant business growth to achieve sustained, long-term profitability and long-term commercial success.

Eos has had net losses on a GAAP basis in each fiscal quarter since its inception. For the two-year period ended December 31, 2019 and for the six-month period ended June 30, 2020, Eos had $28.5 million, $79.5 million and $15.2 million in net losses, respectively. In order to achieve profitability as well as long-term commercial success, Eos must continue to execute its plan to expand its business, which will require Eos to deliver on its existing global sales pipeline in a timely manner, increase its production capacity, grow demand for its products, and seize new market opportunities by leveraging its proprietary technology and its manufacturing processes for novel solutions. Failure to do one or more of these things could prevent Eos from achieving sustained, long-term profitability.

As Eos in transitioning from its research and development and its system pilot phase and into a full commercial phase, Eos expects, based on its sales pipeline, to grow revenues. However, Eos’s revenue may not grow as expected for a number of reasons, many of which are outside of Eos’s control, including a decline in global demand for battery storage products, increased competition, or Eos’s failure to continue to capitalize on growth opportunities. If Eos is not able to sustain revenue growth and raise the capital necessary to support its operations, it may be unable to continue as a going concern.

Eos identified material weaknesses in its internal control over financial reporting at December 31, 2019 and 2018, and Eos may identify additional material weaknesses in the future that may cause Eos to fail to meet its reporting obligations or result in material misstatements of its financial statements. If Eos fails to remediate any material weaknesses or if Eos otherwise fails to establish and maintain effective control over financial reporting, Eos’s ability to accurately and timely report its financial results could be adversely affected.

Eos is not currently required to comply with the rules of the SEC implementing Section 404 of the Sarbanes-Oxley Act and is therefore not required to make a formal assessment of the effectiveness of its internal control over financial reporting for that purpose. Upon becoming a public company, Eos will be required to comply with the SEC’s rules implementing Sections 302 and 404 of the Sarbanes-Oxley Act, which will require management to certify financial and other information in Eos’s quarterly and annual reports and provide an annual management report on the effectiveness of controls over financial reporting. Though Eos will be required to disclose changes made in its internal controls and procedures on a quarterly basis, Eos will not be required to make its first annual assessment of its internal control over financial reporting pursuant to Section 404 until the year following Eos’s first annual report required to be filed with the SEC. However, as an emerging growth company, Eos’s independent registered public accounting firm will not be required to formally attest to the effectiveness of its internal control over financial reporting pursuant to Section 404 until the later of the year following Eos’s first annual report required to be filed with the SEC and the annual revenues are $100 million or greater, or the date Eos is no longer an emerging growth company. At such time, Eos’s independent registered public accounting firm may issue a report that is adverse in the event it is not effective.

Notwithstanding the foregoing, in connection with the audits of Eos’s financial statements for the years ended December 31, 2019 and 2018, Eos and its auditors identified certain control deficiencies in the design and operation of Eos’s internal control over financial reporting that constituted material weaknesses. A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting such that there is a reasonable possibility that a material misstatement of Eos’s financial statements will not be prevented or detected on a timely basis.

The material weaknesses resulted from Eos’s lack of (i) a formalized internal control framework, (ii) segregation of duties in the financial reporting process, (iii) review and approval of journal entries, and (iv) management review controls. These remain material weaknesses as of the date of this proxy statement. In order to remediate these material weakness, Eos plans to hire additional personnel. In addition, Eos has implemented, and plans to continue to implement, new controls, new processes and technologies to implement formalized internal controls framework and procedures. Eos cannot provide any assurances that the measures that Eos has taken to remediate, and that will take to remediate, these material weaknesses will be sufficient to prevent future material weaknesses from occurring. Eos also cannot assure you that it has identified all of its existing material weaknesses.

In light of the control deficiencies and the resulting material weaknesses that were identified, Eos believes that it is possible that, had Eos and its registered public accounting firm performed an assessment or audit, respectively, of Eos’s internal control over financial reporting in accordance with the provisions of the Sarbanes-Oxley Act, additional material weaknesses may have been identified.

When evaluating Eos’s internal control over financial reporting, Eos may identify material weaknesses that it may not be able to remediate in time to meet the applicable deadline imposed upon Eos for compliance with the requirements of Section 404. If Eos is unable to remediate its existing material weaknesses or identify additional material weaknesses and is unable to comply with the requirements of Section 404 in a timely manner or assert that Eos’s internal control over financial reporting is effective, or if Eos’s independent registered public accounting firm is unable to express an opinion as to the effectiveness of Eos’s internal control over financial reporting once it is no longer an emerging growth company, investors may lose confidence in the accuracy and completeness of Eos’s financial reports and the market price of Eos’s common stock could be negatively affected, and Eos could become subject to investigations by the stock exchange on which its securities are listed, the SEC or other regulatory authorities, which could require additional financial and management resources.

Eos must obtain environmental, health and safety certifications for its Gen 2.3 product.

While Eos engineering is working closely with the Underwriters Laboratories (“UL”) and Technischer Überwachungsverein (“TüV”) certification agencies to certify its Gen 2.3 product against all applicable safety standards, there is no guarantee that such certification shall be obtained. From this certification, Eos also intends to expand its Gen 2.3 product certification to other national standards such as European Conformity (“CE”) marking in the European Union and the international certification of the International Electrotechnical Commission (“IEC”). Failure to obtain UL, IEC or CE certification would have a significant impact on Eos’s revenues, as such certifications are required by most of Eos’s customers.

Eos’s relatively recent commercialization of its products makes it difficult to evaluate Eos’s future prospects.

Since its inception, Eos has sold only ten (10) Eos Znyth® DC battery systems to its customers. Eos began commercializing its products as recently as 2018, and while its research and development activities successfully established the efficacy of Eos’s chemistry, Eos struggled to incorporate its proven technologies into an effective manufacturing design. Although the relatively long research and development runway has given Eos the time to refine its designs and optimize its technologies, the latest generation of Eos’s products have been brought to market only recently.

Eos’s success will depend on its ability to manufacture products at scale while timely meeting customers’ demands, and overcome any negative perception in the market related to its historical manufacturing challenges, and Eos may not be able to generate sufficient customer confidence in Eos’s latest designs and ongoing product improvements. Eos’s inability to predict the extent of customer adoption of Eos’s proprietary technologies in the already-established traditional energy storage market makes it difficult to evaluate Eos’s future prospects.

If demand for low-cost energy storage solutions does not continue to grow or grows at a slower rate than we anticipate, Eos’s business and results of operations may be impacted.

Eos’s flagship product, the Eos Znyth® system, is a Znyth® battery that can be used as an alternative to lithium-ion (“Li-ion”) batteries. Eos’s products are being piloted by eight blue chip utilities and commercial and industrial (“C&I”) end users. The pilots are being used on several use cases including, solar shifting, peak shaving, price arbitrage, utility ancillary services and microgrids. Eos cannot provide any assurances that utilities or C&I users will adopt Eos’s products as alternative energy storage solutions at levels sufficient to grow Eos’s business.

The viability and demand for Eos’s products, may be affected by many factors outside of its control, including:

•        cost competitiveness, reliability and performance of Eos’s products compared to Li-ion products;

•        levels of investment by end users of energy storage products, which may decrease when economic growth or energy demand slows resulting in a reduction in battery purchases generally;

•        expansion of electricity use across the global economy, including growth of the electric vehicle market. If electric vehicles sales slow, thus diminishing the demand for Li-ion, then Li-ion competitors could move capacity to the stationary battery storage market to avoid shutting factories, which could put pressures on pricing in the market;

•        strength of the renewable energy industry and associated integration opportunities for Eos’s products;

•        a favorable regulatory landscape, including: full adoption by the states in the US of the Federal Energy Regulatory Commission’s Order 841, which mandates that battery storage can participate in the demand response and ancillary markets; incentives for the implementation of battery storage by state regulators; and adoption by Congress of an investment tax credit for standalone battery storage; and

•        the emergence, continuance or success of other alternative energy storage technologies and products.

If Eos does not manage these risks and overcome these potential difficulties outside of its control successfully, Eos’s business and results of operations may suffer.

Failure to deliver the benefits offered by Eos’s technologies, or the emergence of improvements to competing technologies, could reduce demand for Eos’s products and harm its business.

Eos believes that, compared to Li-ion batteries, Eos’s energy storage solutions offer significant benefits, including the use of widely-available and low-cost materials with no rare earth components, full recyclability at end-of-life, a fifteen (15) to thirty (30) year product life requiring minimal maintenance, and a wide thermal operating range that eliminates the need for the fire suppression and heating, ventilation and air conditioning equipment (“HVAC”), which would otherwise be required for use with Li-ion batteries.

However, if Eos’s manufacturing costs increase, or if its expectations regarding the operation, performance, maintenance and disposal of Eos’s products are not realized, then Eos could have difficulty marketing its products as a superior alterative to already-established technologies and impact the market reputation and adoptability of Eos’s products. In addition, developments of existing and new technologies could improve their cost and usability profile, reducing any relative benefits currently offered by Eos’s products which would negatively impact the likelihood of Eos’s products gaining market acceptance.

Compared to traditional energy storage technologies, Eos’s products have less power density and efficient power and may be considered inferior to competitors’ products.

Traditional Li-ion batteries offer higher power density and a slower self-discharge rate than Eos’s batteries. If customers were to place greater value on power density and efficient power delivery over the numerous other advantages of Eos’s technologies, including the widely-available and low-cost materials with no rare earth components, full recyclability at end-of-life, a fifteen (15) to thirty (30) year product life requiring minimal maintenance, and a wide thermal operating range that eliminates the need for the fire suppression and heating, then Eos could have difficulty positioning its batteries as a viable alternative to traditional Li-ion batteries and its business would suffer.

Eos relies on its contract manufacturers and their respective business practices to manufacture its products.

On August 21, 2019, Eos entered into a joint venture agreement with Holtec International (“Holtec”) and formed HI-POWER, LLC (“HI-POWER”), which is owned 51% by Holtec and 49% by Eos. While Eos is free to either establish manufacturing itself, form a joint venture with another party, or hire a contract manufacturing partner to manufacture batteries and products delivered outside of North America, HI-POWER has exclusive rights to manufacture batteries sold and delivered in North America by Eos, provided that HI-POWER meets cost, quality and delivery “performance metrics” as defined by HI-POWER’s board of directors and the applicable joint venture arrangements between Holtec

and Eos. HI-POWER’s board of directors is comprised of two members designated by Holtec and two members designated by Eos. Actions of the board must generally be approved by a majority of the directors, except for certain actions that require unanimous approval.

Eos relies on the HI-POWER board of directors’ oversight to ensure that HI-POWER follows ethical business practices such as fair wage practices and compliance with environmental, safety, and other local laws. A lack of demonstrated compliance could lead Eos to seek alternative manufacturers, which could increase Eos’s costs and result in delayed delivery of its products, product shortages, or other disruptions of Eos’s operations. Violation of labor or other laws by HI-POWER or the divergence of a manufacturer’s labor or other practices from those generally accepted as ethical in the United States or other markets in which Eos do business could also attract negative publicity for Eos and harm its business.

Eos may experience delays, disruptions, or quality control problems in its manufacturing operations.

Eos’s current manufacturing and testing processes do not require significant technological or production process expertise. However, any change in Eos’s processes could cause one or more production errors, requiring a temporary suspension or delay in its production line until the errors can be researched, identified, and properly addressed and rectified. This may occur particularly as Eos introduces new products, modifies its engineering and production techniques, and/or expands its capacity. In addition, Eos’s failure to maintain appropriate quality assurance processes could result in increased product failures, loss of customers, increased warranty reserve, increased production, and logistical costs and delays. Any of these developments could have a material adverse effect on Eos’s business, financial condition, and results of operations.

The ongoing COVID-19 pandemic has caused significant uncertainty in the United States and global economies as well as the markets we serve and could adversely affect our business, results of operations and financial condition.

The COVID-19 pandemic continues to spread throughout the United States and in various parts of the world and has resulted in authorities implementing numerous measures to contain the virus, including travel bans and restrictions, quarantines, shelter-in-place orders, and business limitations and shutdowns. We remain unable to accurately predict the full impact that COVID-19 will have on Eos’s results of operations, financial condition, liquidity and cash flows due to numerous uncertainties, including the duration and severity of the pandemic and containment measures. Eos’s compliance with containment and mitigation measures has not yet materially impacted its day-to-day operations, but there can be no guaranty that the pandemic will not disrupt Eos’s business and operations or impair Eos’s ability to implement its business plan successfully.

To support the health and well-being of Eos’s employees, customers, partners and communities, since approximately March 19, 2020 all of its non-essential employees have been working remotely. This represents approximately 74% of Eos’s workforce. In addition, Eos understands that the employees of many of its customers are working remotely, which may delay the timing of some orders as well as shipments and cash collections. There can be no guaranty that disruptions, such as staff not being allowed to enter our manufacturing facility or our supply chain being disrupted, to Eos’s operations caused by COVID-19 will not result in inefficiencies, delays and additional costs in Eos’s product development, sales, marketing, and customer service efforts that Eos cannot fully mitigate through remote or other alternative work arrangements. For example, COVID-19 caused a several week delay in completing the UL certification of the Gen 2.3 product due to the certification company being delayed in completing the in-person witness tests.

More generally, the pandemic raises the possibility of an extended global economic downturn and has caused volatility in financial markets, which could affect demand for Eos’s products and services and impact its results and financial condition even after the pandemic is contained and the shelter-in-place orders are lifted. For example, Eos may be unable to collect receivables from those customers significantly impacted by COVID-19. Also, a decrease in orders in a given period could negatively affect Eos’s revenues in future periods, particularly if experienced on a sustained basis. The pandemic may also have the effect of heightening many of the other risks described in these “Risk Factors”, particularly those risks associated with our customers and supply chain.

Eos may not have sufficient insurance coverage to cover business continuity.

Eos relies on a single-source joint venture manufacturer. As a result, a sustained or repeated interruption in the manufacturing of Eos’s products by HI-POWER due to labor shortage, fire, flood, war, pandemic or natural disasters may interfere with Eos’s ability to manufacture its products and fulfil customers’ demands in a timely manner. Failure to manufacture its products and meet customer demands would impair Eos’s ability to generate revenues which would adversely affect Eos’s financial results.

Defects or performance problems in Eos’s products could result in loss of customers, reputational damage, and decreased revenue, facing warranty, indemnity, and product liability claims that may arise from defective products.

Since Eos’s inception, its business objectives have been focused on producing a safe, low-cost grid-scale energy storage solution to meet the increasing demand for and adoption of renewable energy generation assets. The current “Gen 2.3” battery design after years of research and prototype development has resulted in robust control of cell-to-cell spacing using a method which can easily be scaled for mass manufacturing at low cost.

Although Eos’s latest “Gen 2.3” products meet its stringent quality requirements, they may contain undetected errors or defects, especially when first introduced or when new generations of products are released. Errors, defects, or poor performance can arise due to design flaws, defects in raw materials or components or manufacturing difficulties, which can affect the quality of Eos’s products. Any actual or perceived errors, defects, or poor performance in Eos’s products could result in the replacement or recall of Eos’s products, shipment delays, rejection of Eos’s products, damage to Eos’s reputation, lost revenue, diversion of Eos’s engineering personnel from its product development efforts, and increases in customer service and support costs, all of which could have a material adverse effect on Eos’s business, financial condition, and results of operations.

Furthermore, defective components may give rise to warranty, indemnity, or product liability claims against Eos that exceed any revenue or profit it receives from the affected products. HI-POWER provides Eos with a two (2) year manufacturing warranty, which Eos passes to its customers based on the use case of the customer and normal system degradation expected from such use case. Eos also offers customers an extended performance warranty of up to twenty (20) years at an additional cost to the customer. The price charged for any such extended warranty is based on the use case of the customer and the additional performance that such customer wishes to ensure. For extended warranties, this may require system augmentation or battery replacements, which would be provided at no additional charge beyond the price of the extended warranty paid by Eos’s customer.

Eos, in turn, provides a two (2) year design warranty to HI-POWER, which warrants that the DC battery design will be free of design defects for the two-year warranty period. As a result, Eos effectively bears the risk of design warranty claims for two (2) years after Eos or Holtec has sold any products manufactured by HI-POWER (or much longer, in the case of any extended performance warranty purchased by Eos customers). Eos also bears the full risk of any manufacturing warranty claims under its extended warranty after the initial two (2) year period covered by HI-POWER has expired. While Eos has accrued reserves for warranty claims, its estimated warranty costs for previously sold products may change to the extent future products are not compatible with earlier generation products under warranty. Eos’s warranty accruals are based on various assumptions, which are based on a short operating history. As a result, these assumptions could prove to be materially different from the actual performance of Eos’s systems, causing Eos to incur substantial unanticipated expense to repair or replace defective products in the future or to compensate customers for defective products. Eos’s failure to accurately predict future claims could result in unexpected volatility in, and have a material adverse effect on, Eos’s financial condition.

If one of Eos’s products were to cause injury to someone or cause property damage, including as a result of product malfunctions, defects, or improper installation, Eos could be exposed to product liability claims. Eos could incur significant costs and liabilities if it is sued and if damages are awarded against Eos. Further, any product liability claim Eos faces could be expensive to defend and could divert management’s attention. The successful assertion of a product liability claim against Eos could result in potentially significant monetary damages, penalties or fines, subject Eos to adverse publicity, damage Eos’s reputation and competitive position, and adversely affect sales of Eos’s products. In addition, product liability claims, injuries, defects, or other problems experienced by other companies in the battery industry could lead to unfavorable market conditions for the industry as a whole and may have an adverse effect on Eos’s ability to attract new customers, thus harming Eos’s growth and financial performance.

As Eos endeavors to expand its business, it will incur significant costs and expenses, which could outpace its cash reserves. Unfavorable conditions or disruptions in the capital and credit markets may adversely impact business conditions and the availability of credit.

Eos expects to incur additional costs and expenses in the future related to the continued development and expansion of its business, including in connection with expanding its manufacturing capabilities to significantly increase production capacity, developing its products, maintaining and enhancing its research and development operations, expanding its sales, marketing, and business development activities in the United States and internationally,

and growing its project management, field services and overall operational capabilities for delivering projects. Eos does not know whether its revenues will grow rapidly enough to absorb these costs or the extent of these expenses or their impact on Eos’s results of operations.

The business combination between Eos and BMRG is subject to the condition that BMRG has an aggregate of at least $110 million of available cash, after giving effect to any exercise of redemption rights by BMRG’s public stockholders and BMRG’s receipt of equity financing from the investors. As a result, Eos currently expects to have access to significant cash resources from BMRG as a result of the transactions contemplated by the Merger Agreement. However, such cash from BMRG, together with the cash that Eos generates from its business and cash that it may borrow, if credit is available, may not be sufficient to fund Eos’s capital requirements.

Disruptions in the global capital and credit markets as a result of an economic downturn, economic uncertainty, changing or increased regulation, or failures of significant financial institutions could adversely affect Eos’s customers’ ability to access capital and could adversely affect Eos’s access to liquidity needed for business in the future. Eos’s business could be hurt if it is unable to obtain additional capital as required, resulting in a decrease in Eos’s revenues and profitability.

If Eos elects to expand its production capacity by constructing one or more new manufacturing facilities, it may encounter challenges relating to the construction, managements and operation of such facilities.

HI-POWER would maintain its exclusive rights to manufacture the batteries for Eos’s products sold and delivered in North America if it continues to meet the quality, cost and delivery timelines set by its board of directors and as further specified in the applicable joint venture arrangements between Eos and Holtec. However, if HI-POWER fails to meet these required performance metrics, then Eos would be free to establish its own manufacturing operations for North America, either directly or through other partnerships. Under these circumstances, Eos would have the right to transfer manufacturing processes, technology and know-how from HI-POWER to any such new facility. In addition, for Eos sales outside of North America, Eos is free to establish its own manufacturing facilities or to partner with other companies to manufacture its products.

Accordingly, Eos may, in the future, seek to construct one or more manufacturing facilities designed to meet its product supply needs. Although Eos currently believes that it could build a new one (1) gigawatt-hour (“GWh”) manufacturing facility in less than eight months, it cannot provide any assurances that it would be able to successfully establish or operate its own manufacturing facility in a timely or profitable manner, or at all, or within any budget that might be forecasted for such a project. The construction of any such facility would require significant capital expenditures and result in significantly increased fixed costs. If Eos is unable to transition manufacturing operations to any such new facilities in a cost-efficient and timely manner, then it may experience disruptions in operations, which could negatively impact its business and financial results. Further, if the demand for Eos’s products decreases or if Eos does not produce the expected output after any such new facility is operational, Eos may not be able to spread a significant amount of its fixed costs over the production volume, thereby increasing its per product fixed cost, which would have a negative impact on Eos’s financial condition and results of operations.

Eos’s ability to expand its manufacturing capacity would also greatly depend on its ability to hire, train and retain an adequate number of manufacturing employees, in particular employees with the appropriate level of knowledge, background and skills. Should Eos be unable to hire such employees, its business and financial results could be negatively impacted.

If Eos fails to manage its recent and future growth effectively, it may be unable to execute its business plan, maintain high levels of customer service, or adequately address competitive challenges.

Eos has experienced significant growth in recent periods and intends to continue to expand its business significantly within existing and new markets. This growth has placed, and any future growth may place, a significant strain on Eos’s management, operational, and financial infrastructure. In particular, Eos will be required to expand, train, and manage its growing employee base and scale and otherwise improve its information technology (“IT”) infrastructure in tandem with that headcount growth. Eos’s management will also be required to maintain and expand Eos’s relationships with customers, suppliers, and other third parties and attract new customers and suppliers, as well as manage multiple geographic locations.

Eos’s current and planned operations, personnel, customer support, IT, information systems, and other systems and procedures might be inadequate to support its future growth and may require Eos to make additional unanticipated investment in its infrastructure. Eos’s success and ability to further scale its business will depend, in part, on its ability to manage these changes in a cost-effective and efficient manner. If Eos cannot manage its growth, then Eos may be unable to take advantage of market opportunities, execute its business strategies, or respond to competitive pressures. This could also result in declines in quality or customer satisfaction, increased costs, difficulties in introducing new offerings, or other operational difficulties. Any failure to effectively manage growth could adversely impact Eos’s business and reputation.

Eos’s growth prospects depend on its ability to capitalize on market opportunities.

Eos believes that a number of market opportunities could help fuel its growth prospects, including the following:

•        the pervasiveness of electric grid congestion, creating an opportunity to deploy batteries to reduce the peak energy usage of a customer in specific locations where infrastructure constraints create a need for transmission and/or distribution upgrades;

•        the demand for co-location of battery assets on solar or wind farms to store off-peak intermittent renewable energy production and provide on-peak energy at higher prices alternative energy; and

•        C&I end users’ adoption of alternative energy generation technologies to supplement or replace on-the-grid energy usage.

If these expected market opportunities do not materialize, or if Eos fails to capitalize on them, then Eos may not be able to meet its growth projections.

Eos’s planned expansion into new geographic markets or new product lines or services could subject it to additional business, financial, and competitive risks.

In the years ended December 31, 2019 and 2018, Eos sold its products in a number of different countries, including the United States, India and the United Kingdom. Eos has in the past, and may in the future, evaluate opportunities to expand into new geographic markets and introduce new product offerings and services that are a natural extension of its existing business. Eos also may from time to time engage in acquisitions of businesses or product lines with the potential to strengthen its market position, enable Eos to enter attractive markets, expand its technological capabilities, or provide synergy opportunities.

Eos’s success operating in these new geographic or product markets, or in operating any acquired business, will depend on a number of factors, including its ability to develop solutions to address the requirements of the electric utility industry and C&I end users, its timely qualification and certification of new products, its ability to manage increased manufacturing capacity and production, and its ability to identify and integrate any acquired businesses.

Further, any additional markets that Eos may enter could have different characteristics from the markets in which it currently sells products, and Eos’s success will depend on its ability to adapt properly to these differences. These differences may include regulatory requirements, including tax laws, trade laws, labor regulations, tariffs, export quotas, customs duties, or other trade restrictions, limited or unfavorable intellectual property protection, international, political or economic conditions, restrictions on the repatriation of earnings, longer sales cycles, warranty expectations, product return policies and cost, performance and compatibility requirements. In addition, expanding into new geographic markets will increase Eos’s exposure to presently existing and new risks, such as fluctuations in the value of foreign currencies and difficulties and increased expenses in complying with United States and foreign laws, regulations and trade standards, including the Foreign Corrupt Practices Act of 1977, as amended (the “FCPA”).

Failure to develop and introduce these new products successfully into the market, to successfully integrate acquired businesses or to otherwise manage the risks and challenges associated with Eos’s potential expansion into new product and geographic markets, could adversely affect Eos’s revenues and Eos’s ability to sustain profitability.

Eos could be adversely affected by any violations of the FCPA, the U.K. Bribery Act, and other foreign anti-bribery laws.

The FCPA prohibits companies and their intermediaries from making improper payments to foreign government officials for the purpose of obtaining or retaining business. Other countries in which Eos operates also have anti-bribery laws, some of which prohibit improper payments to government and non-government persons and entities. Eos’s policies

mandate compliance with these anti-bribery laws. However, Eos currently operates in and intends to further expand into, many parts of the world that have experienced governmental corruption to some degree and, in certain circumstances, strict compliance with anti-bribery laws may conflict with local customs and practices. In addition, due to the level of regulation in Eos’s industry and related energy industries, its entry into certain jurisdictions may require substantial government contact where norms can differ from U.S. standards. Although we expect Eos to maintain strict internal control policies and procedures designed to guard against improper conduct, there can be no guaranty that Eos’s employees, agents, and business partners will not take actions in violation of its internal control policies. In the event that Eos believes or has reason to believe that its employees or agents have or may have violated applicable laws, including anti-corruption laws, it may be required to investigate or have outside counsel investigate the relevant facts and circumstances, and detecting, investigating and resolving actual or alleged violations can be expensive and require significant time and attention from senior management. Any violation of U.S. federal and state and non-U.S. laws, regulations and policies could result in substantial fines, sanctions, civil and/or criminal penalties, and curtailment of operations in the United States or other applicable jurisdictions. In addition, actual or alleged violations could damage Eos’s reputation and ability to do business. Any of the foregoing could materially adversely affect Eos’s business, financial condition and results of operations.

The reduction, elimination or expiration of government subsidies and economic incentives related to renewable energy solutions could reduce demand for Eos’s technologies and harm its business.

To promote renewable energy generation and consumption, federal, state, local and foreign government bodies provide incentives to owners, end users, distributors, system integrators and manufacturers of alternative energy systems in the form of rebates, tax credits and other financial incentives such as system performance payments, payments of renewable energy credits associated with renewable energy generation and exclusion of certain renewable energy systems from property tax assessments.

Eos’s business relies, in part, on the co-location of battery assets with solar and wind technologies. The market for on-grid applications, where solar or wind power is used to supplement a customer’s electricity purchased from the utility network or sold to a utility under tariff, often depends in large part on the availability and size of government and economic incentives that vary by geographic market. The reduction, elimination or expiration of government subsidies and economic incentives for on-grid solar electricity may negatively affect the competitiveness of alternative electricity generation relative to conventional and non-solar renewable sources of electricity and could harm or halt the growth of the alternative electricity industries. Because Eos’s C&I end user sales are generally expected to be made into the on-grid market, these changes could harm Eos’s business. For example, in 2015 the U.S Congress passed a multi-year extension to the solar Investment Tax Credit (“ITC”), which extension helped grow the U.S solar market. As of January 1, 2020, the ITC is being gradually reduced from thirty percent (30%) to twenty-six percent (26%) for both residential and commercial in 2020 and is expected to reach ten percent (10%) for commercial only in 2023. The reduction in the ITC could reduce the demand for solar energy solutions in the United States, which would have an adverse impact on Eos’s business, financial condition, and results of operations.

In general, subsidies and incentives may expire on a particular date, end when the allocated funding is exhausted or be reduced or terminated as solar energy adoption rates increase or as a result of legal challenges, the adoption of new statutes or regulations or the passage of time. These reductions or terminations often occur without warning.

In addition, several jurisdictions have adopted renewable portfolio standards, which mandate that a certain portion of electricity delivered by utilities to customers come from a set of eligible renewable energy resources by a certain compliance date. Some programs further specify that a portion of the renewable energy quota must be from solar electricity. Under some programs, a utility can receive a “credit” for renewable energy produced by a third party by either purchasing the electricity directly from the producer or paying a fee to obtain the right to renewable energy generated but used by the generator or sold to another party. A renewable energy credit allows the utility to add this electricity to its renewable portfolio requirement total without actually expending the capital for generating facilities. However, there can be no assurances that such policies will continue. For example, in December 2015, Nevada’s Public Utilities Commission increased the fixed service charge for net-metered solar customers and lowered compensation for net excess solar generation proposals to extend compliance deadlines, reduce targets or repeal standards have also been introduced in a number of states.

If the foregoing or any other subsidies and incentives applicable to alternative energy implementation or usage are reduced or eliminated, or the regulatory landscape otherwise becomes less favorable, then there could be reduced demand for alternative energy solutions, which could have an adverse impact on Eos’s business, financial condition, and results of operations.

Changes in the U.S. trade environment, including the recent imposition of import tariffs, could adversely affect the amount or timing of Eos’s revenues, results of operations or cash flows.

Eos currently procures the felt required for its batteries and the electrical cables for the battery container from China, as Eos believes that the materials procured from its Chinese suppliers currently have the best overall performance and price compared to domestic alternatives. Escalating trade tensions between the United States and China have recently led to certain increased tariffs and trade restrictions. There can be no guaranty that these developments will not negatively impact the price of the felt used in Eos’s products. Eos believes it could obtain a similar performing felt and electrical cabling in the United States, but such sources would likely also charge a higher cost than Eos’s current suppliers, which would negatively impact Eos’s gross margins. It is difficult to predict what further trade-related actions governments may take, which may include additional or increased tariffs and trade restrictions, and Eos may be unable to quickly and effectively react to such actions, which could result in supply shortages and increased costs.

Eos’s results of operations may fluctuate from quarter to quarter, which could make Eos’s future performance difficult to predict and could cause Eos’s results of operations for a particular period to fall below expectations, resulting in a decline in the price of our common stock.

Revenue from Eos’s battery sales is primarily recorded upon transfer of ownership of the product to the customer. Under Eos’s customer contracts, this transfer typically takes place upon shipment of the battery from Eos’s manufacturing facility but, in some instances, occurs upon delivery to a customer site or, even more infrequently, at the time of commercial operation. Because Eos’s revenues are generally derived from sales of hardware that may take many months to manufacture and prepare for delivery, such revenue can come in peaks and troughs based on the underlying customer arrangements. As a result, Eos’s quarterly results of operations are difficult to predict and may fluctuate significantly in the future based on the timing of product deliveries.

Forecasts of market growth in this proxy statement may not be accurate.

Market opportunity estimates and growth forecasts included in this proxy statement are subject to significant uncertainty and are based on assumptions and estimates that may not prove to be accurate. The forecasts and estimates in this proxy statement relating to the expected size and growth of the markets for energy storage and other markets in which Eos participates may prove to be inaccurate. Even if these markets experience the forecasted growth described in this proxy statement, Eos may not grow its business at similar rates, or at all. Eos’s future growth is subject to many factors, including market adoption of its products, which is subject to many risks and uncertainties. Accordingly, the forecasts and estimates of market size and growth described in this proxy statement, should not be taken as indicative of Eos’s future growth. In addition, these forecasts do not take into account the impact of the current global COVID-19 pandemic, and Eos cannot assure you that these forecasts will not be materially and adversely affected as a result.

The loss of one or more members of Eos’s senior management team or other key personnel or Eos’s failure to attract additional qualified personnel may adversely affect Eos’s business and its ability to achieve its anticipated level of growth.

Eos depends on the continued services of its senior management team, including its chief executive officer, chief strategy officer and chief financial officer, and other key personnel, each of whom would be difficult to replace. The loss of any such personnel could have a material adverse effect on Eos’s business and its ability to implement its business strategy. All of Eos’s employees, including its senior management, are free to terminate their employment relationships with Eos at any time. Eos does not maintain key-person insurance for any of its employees, including senior management.

Additionally, Eos’s ability to attract qualified personnel, including senior management and key technical personnel, is critical to the execution of its growth strategy. Competition for qualified senior management personnel and highly skilled individuals with technical expertise is extremely intense. Eos faces and is likely to continue to face challenges identifying, hiring, and retaining qualified personnel in all areas of its business. In addition, integrating new employees into Eos’s team could prove disruptive to its operations, require substantial resources and management attention, and ultimately prove unsuccessful. Eos’s failure to attract and retain qualified senior management and other key technical personnel could limit or delay its strategic efforts, which could have a material adverse effect on Eos’s business, financial condition, results of operations, and prospects.

If Eos fails to protect, or incurs significant costs in defending, its intellectual property and other proprietary rights, then its business and results of operations could be materially harmed.

Eos’s success depends to a significant degree on its ability to protect its intellectual property and other proprietary rights. Eos relies on a combination of patent, trademark, copyright, trade secret, and unfair competition laws, as well as confidentiality and other contractual provisions with its customers, suppliers, employees, and others, to establish and protect its intellectual property and other proprietary rights. Eos’s ability to enforce these rights is subject to general litigation risks, as well as uncertainty as to the enforceability of its intellectual property rights in various countries. When Eos seeks to enforce its rights, it may be subject to claims that its intellectual property rights are invalid or not enforceable. Eos’s assertion of intellectual property rights may result in another party seeking to assert claims against Eos, which could harm its business. Eos’s inability to enforce its intellectual property rights under any of these circumstances would likely harm its competitive position and business.

Eos has applied for patents in the United States, Europe, Middle East, Asia and Australia, some of which have been issued. Eos cannot guarantee that any of its pending applications will be approved or that its existing and future intellectual property rights will be sufficiently broad to protect its proprietary technology, and any failure to obtain such approvals or finding that Eos’s intellectual property rights are invalid or unenforceable could force it to, among other things, rebrand or re-design its affected products. In countries where Eos has not applied for patent protection or where effective intellectual property protection is not available to the same extent as in the United States, Eos may be at greater risk that its proprietary rights will be misappropriated, infringed, or otherwise violated.

Eos’s intellectual property may be stolen or infringed upon. Any lawsuits that Eos may initiate to protect its significant investment in its intellectual property also may consume management and financial resources for long periods of time and may not result in favorable outcomes for Eos, which may adversely affect its business, results of operations or financial condition.

Third parties may assert that Eos is infringing upon their intellectual property rights, which could divert management’s attention, cause Eos to incur significant costs, and prevent Eos from selling or using the technology to which such rights relate.

Eos’s competitors and other third parties hold numerous patents related to technology used in Eos’s industry. From time to time, Eos may also be subject to claims of intellectual property right infringement and related litigation, and, if Eos gains greater recognition in the market, it will face a higher risk of being the subject of claims that it has violated others’ intellectual property rights. While Eos believes that its products and technology do not infringe in any material respect upon any valid intellectual property rights of third parties, Eos cannot be certain that it would be successful in defending against any such claims. If Eos does not successfully defend or settle an intellectual property claim, Eos could be liable for significant monetary damages and could be prohibited from continuing to use certain technology, business methods, content, or brands. To avoid a prohibition, Eos could seek a license from the applicable third party, which could require Eos to pay significant royalties, increasing its operating expenses. If a license is not available at all or not available on reasonable terms, then Eos may be required to develop or license a non-violating alternative, either of which could require significant effort and expense. If Eos cannot license or develop a non-violating alternative, it would be forced to limit or stop sales of its offerings and may be unable to effectively compete. Any of these results would adversely affect Eos’s business, financial condition, and results of operations.

Third parties might attempt to gain unauthorized access to Eos’s network or seek to compromise its products and services.

From time to time, Eos may face attempts by others to gain unauthorized access through the Internet or to introduce malicious software to Eos’s IT systems. Eos or its products may be a target of computer hackers, organizations or malicious attackers who attempt to:

•        gain access to its network or data centers or those of Eos’s customers;

•        steal proprietary information related to Eos’s business, products, employees, and customers;

•        or interrupt Eos’s systems or those of its customers.

From time to time, Eos encounters intrusions or attempts at gaining unauthorized access to its network and Eos routinely runs intrusion checks. To date, none has resulted in any material adverse impact to Eos’s business or operations; however, there can be no guarantee that such intrusions will not be material in the future. While Eos seeks to detect and investigate all unauthorized attempts and attacks against its network and products, and to prevent their recurrence where practicable through changes to its internal processes and tools and/or changes to its products, Eos remains potentially vulnerable to additional known or unknown threats. In addition to intentional third-party cyber-security breaches, the integrity and confidentiality of company and customer data may be compromised as a result of human error, product defects, or technological failures. Cybersecurity breaches, whether successful or unsuccessful, and other IT system interruptions, including those resulting from human error and technological failures, could result in Eos incurring significant costs related to, for example, rebuilding internal systems, reduced inventory value, providing modifications to its products and services, defending against litigation, responding to regulatory inquiries or actions, paying damages, or taking other remedial steps with respect to third parties.

The failure or breach of Eos’s IT systems could affect its sales and operations.

Eos’s email and collaboration tools are outsourced to a managed services provider, Delval Technology Solutions (“DTS”). While Eos regularly reviews the cyber security tools and other security protection provided by DTS and DTS regularly runs intrusion and other security tests on services provided to Eos, there can be no guarantee that a failure or breach of such systems will not occur. Eos operates a number of IT systems throughout its business that could fail for a variety of reasons, including the threats of unauthorized intrusions and attackers. If such failures were to occur, Eos may not be able to sufficiently recover to avoid the loss of data or any adverse impact on Eos’s operations that are dependent on such IT systems. This could result in lost sales as Eos may not be able to meet the demands for its product.

Furthermore, because Eos’s IT systems are essential for the exchange of information both internally and in communicating with third parties, including its suppliers and manufacturers, cyber-security breaches could potentially lead to the unauthorized release of sensitive, confidential or personal data or information, improper use of its systems, or, unauthorized access, use, disclosure, modification or destruction of information or defective products. If these cyber-security breaches continue, Eos’s operations and its ability to communicate both internally and with third parties may be negatively impacted. Additionally, if Eos tries to remediate its cyber-security problems, it could face significant unplanned capital investments and any damage or interruption could have a material adverse effect on its reputation, business, financial condition, and results of operations.

Eos may not be able to identify or complete transactions with attractive acquisition candidates. Future acquisitions may result in significant transaction expenses and Eos may incur significant costs. Eos may experience integration and consolidation risks associated with these future acquisitions.

Eos may from time to time selectively pursue on an opportunistic basis acquisitions of additional businesses that complement Eos’s existing business and footprint. The success of any such growth strategy would depend, in part, on selecting strategic acquisition candidates at attractive prices and effectively integrating their businesses into Eos’s own, including with respect to financial reporting and regulatory matters. There can be no assurance that Eos will be able to identify attractive acquisition candidates or complete the acquisition of any identified candidates at favorable prices and upon advantageous terms and conditions, including financing alternatives.

Eos may not have sufficient management, financial and other resources to integrate and consolidate any future acquisitions. Any significant diversion of management’s attention or any major difficulties encountered in the integration of the businesses Eos acquires could have a material adverse effect on Eos’s business, financial condition or results of operations, which could decrease Eos’s profitability and make it more difficult for Eos to grow its business. Among other things, these integration risks could include:

•        the loss of key employees;

•        the disruption of operations and business;

•        the retention or transition of customers and vendors;

•        the integration of corporate cultures and maintenance of employee morale;

•        inability to maintain and increase competitive presence;

•        customer loss and revenue loss;

•        possible inconsistencies in standards, control procedures and policies;

•        problems with the assimilation of new operations, sites or personnel, which could divert resources from Eos’s regular operations;

•        integration of financial reporting and regulatory reporting functions; and/or

•        potential unknown liabilities.

In addition, general economic conditions or unfavorable capital and credit markets could affect the timing and extent to which Eos can successfully acquire or integrate new businesses, which could limit Eos’s revenues and profitability.

Eos is exposed to various risks related to legal proceedings or claims that could adversely affect Eos’s operating results. The nature of Eos’s business exposes it to various liability claims, which may exceed the level of Eos’s insurance coverage resulting in Eos not being fully protected.

Eos is a party to lawsuits in the normal course of its business. Litigation can be expensive, lengthy and disruptive to normal business operations. Moreover, the results of complex legal proceedings are difficult to predict. Responding to lawsuits brought against Eos, or legal actions that Eos may initiate, can be expensive and time-consuming. Unfavorable outcomes from these claims and/or lawsuits could adversely affect Eos’s business, results of operations, or financial condition, and Eos could incur substantial monetary liability and/or be required to change its business practices.

Eos’s business may expose it to claims for personal injury, death or property damage resulting from the use of its products or from employee related matters. Additionally, Eos could be subject to potential litigation associated with compliance with various laws and governmental regulations at the federal, state or local levels, such as those relating to the protection of persons with disabilities, employment, health, safety, security and other regulations under which Eos operates.

Eos carries comprehensive insurance, subject to deductibles, at levels it believes are sufficient to cover existing and future claims made during the respective policy periods. However, Eos may be exposed to multiple claims, and, as a result, could incur significant out-of-pocket costs before reaching the deductible amount, which could adversely affect Eos’s financial condition and results of operations. In addition, the cost of such insurance policies may increase significantly upon renewal of those policies as a result of general rate increases for the type of insurance Eos carries as well as Eos’s historical experience and experience in Eos’s industry. Although Eos has not experienced any material losses that were not covered by insurance, Eos’s existing or future claims may exceed the coverage level of Eos’s insurance, and such insurance may not continue to be available on economically reasonable terms, or at all. If Eos is required to pay significantly higher premiums for insurance, is not able to maintain insurance coverage at affordable rates or if it must pay amounts in excess of claims covered by Eos’s insurance, then Eos could experience higher costs that could adversely affect Eos’s financial condition and results of operations.

Labor disputes could disrupt Eos’s ability to serve its customers and/or lead to higher labor costs.

Eos has approximately sixty-six (66) employees, none of whom are represented by unions or covered by collective bargaining agreements. If a union sought to organize any of Eos’s employees, such organizing efforts or collective bargaining negotiations could potentially lead to work stoppages and/or slowdowns or strikes by certain of Eos’s employees, which could adversely affect Eos’s ability to serve its customers. Further, settlement of actual or threatened labor disputes or an increase in the number of Eos’s employees covered by collective bargaining agreements can have unknown effects on Eos’s labor costs, productivity and flexibility.

Eos could be subject to foreign exchange risk.

Eos’s international sales are typically denominated in U.S. dollars or Euros. As a result, Eos does not have significant direct exposure to currency valuation exchange rate fluctuations. However, because Eos’s products are sold internationally, to the extent that the U.S. dollar strengthens against the foreign currency of a customer or potential

•        the fact that, if the trust account is liquidated, including in the event we are unable to complete an initial business combination within the required time period, our Sponsor has agreed that it will be liable to us if and to the extent any claims by a third-party (other than our independent registered public accounting firm) for services rendered or products sold to us, or a prospective target business with which we have entered into a written letter of intent, confidentiality or other similar agreement or business combination agreement, reduce the amount of funds in the trust account to below: (i) $10.10 per public share; or (ii) such lesser amount per public share held in the trust account as of the date of the liquidation of the trust account due to reductions in the value of the trust assets, in each case, net of the interest which may be withdrawn to pay taxes and up to $100,000 of interest to pay dissolution expenses, except as to any claims by a third-party who executed a waiver of any and all rights to seek access to the trust account and except as to any claims under our indemnity of the underwriters of the IPO against certain liabilities, including liabilities under the Securities Act;

•        the fact that, upon completion of the business combination, an aggregate amount of approximately $6,125,000 in deferred underwriting discount, advisory fees and capital markets advisor fees, will be payable to B. Riley Securities, Inc., an affiliate of us and the Sponsor;

•        the inclusion in the Proposed Charter of an election for Section 203 of the DGCL, which governs business combinations between the Company and certain interested stockholders, not to apply to the Company;

•        the anticipated nomination of Mr. Shribman, our Chief Executive Officer, Chief Financial Officer and director, as a director of the Company after the Closing in accordance with the terms of the Director Nomination Agreement. As such, in the future he will receive any cash fees, stock options, stock awards or other remuneration that the Company’s board of directors determines to pay to our directors; and

•        the continued indemnification of our existing directors and officers and the continuation of our directors’ and officers’ liability insurance after the business combination.

These financial interests of the founders, officers and directors and entities affiliated with them may have influenced their decision to approve the business combination. You should consider these interests when evaluating the business combination and the recommendation of BMRG’s board of directors to vote in favor of the business combination proposal and other proposals to be presented to the stockholders.

BMRG’s public stockholders will experience dilution as a consequence of, among other transactions, the issuance of shares of our common stock as consideration in the business combination. Having a minority share position may reduce the influence that BMRG’s current stockholders have on the management of the post-combination business.

Upon completion of the business combination, assuming there are no redemptions and other assumptions described in this proxy statement, BMRG’s current stockholders will collectively beneficially own approximately 30% of our issued and outstanding common stock, and the Sellers will collectively beneficially own approximately 53% of our issued and outstanding common stock. Although there is no voting trust agreement between the Sellers, as long as the Sellers own or control a significant percentage of outstanding voting power, they will have the ability to strongly influence all corporate actions requiring stockholder approval. Additionally, the Sponsor and the Seller Representative will have significant control over the Company by virtue of the director nomination agreement. Such influence over the post-business combination company’s management could have the effect of delaying or preventing a change in control or otherwise discouraging a potential acquirer from attempting to obtain control of the post-business combination company, which could cause the market price of our common stock to decline or prevent stockholders from realizing a premium over the market price for our common stock.

The Sponsor’s and Seller Representative’s interests may not align with our interests as a company or the interests of our other stockholders. Accordingly, the Sponsor and Seller Representative could cause us to enter into transactions or agreements of which you would not approve or make decisions with which you would disagree. Further, the Sponsor and the Seller Representative are in the business of making investments in companies and may acquire and hold interests in businesses that compete directly or indirectly with us. The Sponsor or the Seller Representative may also pursue acquisition opportunities that may be complementary to our business, and, as a result, those acquisition opportunities may not be available to us. In recognition that principals, members, directors, managers, partners, stockholders, officers, employees and other representatives of the Sponsor, the Seller Representative and their affiliates may serve as our directors, the Proposed Charter provides in effect that none of our non-executive directors, the Sponsor or the

Seller has any duty to refrain from engaging directly or indirectly in the same or similar business activities or lines of business that we do. In the event that any of these persons or entities acquires knowledge of a potential transaction or matter which may be a corporate opportunity for itself and us, we will not have any expectancy in such corporate opportunity, and these persons and entities will not have any duty to communicate or offer such corporate opportunity to us and may pursue or acquire such corporate opportunity for themselves or direct such opportunity to another person. These potential conflicts of interest could have a material adverse effect on our business, financial condition and results of operations if, among other things, attractive corporate opportunities are allocated by the Sponsor or the Seller Representative to itself or its other affiliates.

The historical financial results of Eos and unaudited pro forma financial information included elsewhere in this proxy statement may not be indicative of what our actual financial position or results of operations would have been.

The historical financial results of Eos included in this proxy statement do not reflect the financial condition, results of operations or cash flows they would have achieved as a public company during the periods presented or those we will achieve in the future. The post-business combination company’s financial condition and future results of operations could be materially different from amounts reflected in its historical financial statements included elsewhere in this proxy statement, so it may be difficult for investors to compare the post-business combination company’s future results to historical results or to evaluate its relative performance or trends in its business.

Similarly, the unaudited pro forma financial information in this proxy statement is presented for illustrative purposes only and has been prepared based on a number of assumptions including, but not limited to, BMRG being treated as the “acquired” company for financial reporting purposes in the business combination, the total debt obligations and the cash and cash equivalents of Eos on the date the business combination closes and the number of our public shares that are redeemed in connection with the business combination. Accordingly, such pro forma financial information may not be indicative of the post-business combination company’s future operating or financial performance and the post-business combination company’s actual financial condition and results of operations may vary materially from the pro forma results of operations and balance sheet contained elsewhere in this proxy statement, including as a result of such assumptions not being accurate. For more information, please see the section entitled “Unaudited Pro Forma Condensed Combined Financial Information.”

Subsequent to the Closing, we may be required to take write-downs or write-offs, restructuring and impairment or other charges that could have a significant negative effect on our financial condition, results of operations and stock price, which could cause you to lose some or all of your investment.

Although BMRG has conducted due diligence on Eos, BMRG cannot assure you that this diligence revealed all material issues that may be present in their respective businesses, that it would be possible to uncover all material issues through a customary amount of due diligence, or that factors outside of BMRG’s or Eos’s control will not later arise. As a result, the Company may be forced to later write-down or write-off assets, restructure our operations, or incur impairment or other charges that could result in losses. Even if the due diligence successfully identifies certain risks, unexpected risks may arise and previously known risks may materialize in a manner not consistent with our preliminary risk analysis. Even though these charges may be non-cash items and not have an immediate impact on our liquidity, the fact that the Company reports charges of this nature could contribute to negative market perceptions about the Company or our securities. In addition, charges of this nature may cause the Company to violate net worth or other covenants to which we may be subject. Accordingly, any stockholders who choose to remain stockholders following the business combination could suffer a reduction in the value of their shares. Such stockholders are unlikely to have a remedy for such reduction in value unless they are able to successfully claim that the reduction was due to the breach by our officers or directors of a duty of care or other fiduciary duty owed to them, or if they are able to successfully bring a private claim under securities laws that the proxy solicitation or tender offer materials, as applicable, relating to the business combination contained an actionable material misstatement or material omission.

To the extent that any shares of common stock are issued upon exercise of any of the warrants, the number of shares eligible for resale in the public market would increase.

Following the business combination, the Company will have 9,075,000 outstanding warrants to purchase 9,075,000 shares of common stock at an exercise price of $11.50 per share, which warrants will become exercisable thirty (30) days following the Closing.

To the extent that any shares of common stock are issued upon exercise of any of the warrants to purchase shares of common stock, there will be an increase in the number of shares of common stock eligible for resale in the public market. Sales of a substantial number of such shares in the public market could adversely affect the market price of common stock.

Future resales of common stock after the consummation of the business combination may cause the market price of our securities to drop significantly, even if our business is doing well.

The Sponsor’s founder shares, private placement units, private placement shares, private placement warrants, and any shares of common stock issued upon conversion or exercise thereof are each subject to transfer restrictions pursuant to lock-up provisions in a letter agreement, dated May 19, 2020, between the Sponsor and BMRG. Likewise, after the consummation of the business combination and subject to certain exceptions, the Sellers party to the Registration Rights Agreement will be contractually restricted from selling or transferring any shares of our common stock they receive in connection with the business combination pursuant to the lock-up provisions contained therein. However, following the expiration of these lockup-up periods, neither such Sellers nor the Sponsor will be restricted from selling their shares of our common stock, other than by applicable securities laws. Additionally, the investors will not be restricted from selling any of their shares of our common stock following the Closing, other than by applicable securities laws. As such, sales of a substantial number of shares of our common stock in the public market could occur at any time. These sales, or the perception in the market that the holders of a large number of shares intend to sell shares, could reduce the market price of our common stock. Upon completion of the business combination, the Sponsor, the Sellers party to the Registration Rights Agreement, and the investors will collectively own approximately 68.1% of the outstanding shares of our common stock, assuming that no public stockholders redeem their public shares in connection with the business combination. Assuming redemptions of approximately 10.6 million public shares (being our estimate of the maximum number of public shares that could be redeemed in connection with the business combination in order to satisfy the related $110 million cash condition contained in the Merger Agreement) are redeemed in connection with the business combination, in the aggregate, the collective ownership of the Sponsor, the Sellers party to the Registration Rights Agreement, and the investors would rise to 84.3% of the outstanding shares of our common stock.

As restrictions on resale end and registration statements are available for use, the sale or possibility of sale of shares by the Sponsor, the Sellers party to the Registration Rights Agreement, and the investors could have the effect of increasing the volatility in our share price or the market price of our common stock could decline if the holders of currently restricted shares sell them or are perceived by the market as intending to sell them.

If our stockholders fail to comply with the redemption requirements specified in this proxy statement, they will not be entitled to redeem their shares of our Class A common stock for a pro rata portion of the trust account.

Holders of public shares are not required to affirmatively vote against the business combination proposal in order to exercise their rights to redeem their shares for a pro rata portion of the trust account. To exercise their redemption rights, they are required to submit a request in writing and deliver their stock (either physically or electronically) to our transfer agent by 10:00 AM, Eastern Time, on November 10, 2020. Stockholders electing to redeem their shares will receive their pro rata portion of the trust account less taxes payable, calculated as of two (2) business days prior to the anticipated consummation of the business combination.

We may redeem your unexpired warrants prior to their exercise at a time that is disadvantageous to you, thereby making your warrants worthless.

The Company will have the ability to redeem outstanding public warrants at any time after they become exercisable and prior to their expiration, at a price of $0.01 per warrant, provided that the closing price of our common stock equals or exceeds $18.00 per share (as adjusted for stock splits, share dividends, reorganizations, recapitalizations and the like) for any twenty (20) trading days within a thirty (30) trading-day period ending on the third (3rd) trading day prior to proper notice of such redemption. If and when the warrants become redeemable by us, we may exercise our redemption right even if we are unable to register or qualify the underlying securities for sale under all applicable state securities laws. Redemption of the outstanding warrants could force holders (i) to exercise the warrants and pay the exercise price therefor at a time when it may be disadvantageous to do so, (ii) to sell the warrants at the then-current market price when the holder might otherwise wish to hold your warrants or (iii) to accept the nominal redemption price which, at the time the outstanding warrants are called for redemption, is likely to be substantially less than the market value of the warrants. The private placement warrants are not redeemable by us so long as they are held by the Sponsor or its permitted transferees.

If the benefits of the business combination do not meet the expectations of investors or securities analysts, the market price of our securities may decline.

If the benefits of the business combination do not meet the expectations of investors or securities analysts, the market price of BMRG’s securities prior to the Closing may decline. The market values of BMRG’s securities at the time of the business combination may vary significantly from their prices on the date the Merger Agreement was executed, the date of this proxy statement, or the date on which our stockholders vote on the business combination. Because the number of shares to be issued pursuant to the Merger Agreement will not be adjusted to reflect any changes in the market price of BMRG’s common stock, the market value of common stock issued in the business combination may be higher or lower than the values of these shares on earlier dates.

In addition, following the business combination, fluctuations in the price of the Company’s securities could contribute to the loss of all or part of your investment. Prior to the business combination, there has not been a public market for the stock of the Company and trading in shares of Class A common stock has not been active. Accordingly, the valuation ascribed to the Company in the business combination may not be indicative of the price that will prevail in the trading market following the business combination. If an active market for our securities develops and continues, the trading price of our securities following the business combination could be volatile and subject to wide fluctuations in response to various factors, some of which are beyond our control. Any of the factors listed below could have a material adverse effect on your investment in our securities and our securities may trade at prices significantly below the price you paid for them. In such circumstances, the trading price of our securities may not recover and may experience a further decline.

Factors affecting the trading price of the Company’s securities may include:

•        actual or anticipated fluctuations in our quarterly financial results or the quarterly financial results of companies perceived to be similar to us;

•        changes in the market’s expectations about our operating results;

•        success of competitors;

•        our operating results failing to meet the expectation of securities analysts or investors in a particular period;

•        changes in financial estimates and recommendations by securities analysts concerning the Company or the industries in which the Company operates in general;

•        operating and stock price performance of other companies that investors deem comparable to the Company;

•        our ability to market new and enhanced products on a timely basis;

•        changes in laws and regulations affecting our business;

•        commencement of, or involvement in, litigation involving the Company;

•        changes in the Company’s capital structure, such as future issuances of securities or the incurrence of additional debt;

•        the volume of shares of our common stock available for public sale;

•        any major change in our board of directors or management;

•        sales of substantial amounts of our common stock by our directors, executive officers or significant stockholders or the perception that such sales could occur; and

•        general economic and political conditions such as recessions, interest rates, fuel prices, international currency fluctuations and acts of war or terrorism.

Broad market and industry factors may materially harm the market price of our securities irrespective of our operating performance. The stock market in general, and the NYSE, have experienced price and volume fluctuations that have often been unrelated or disproportionate to the operating performance of the particular companies affected. The trading prices and valuations of these stocks, and of our securities, may not be predictable. A loss of investor

confidence in the market for the stocks of other companies that investors perceive to be similar to the Company could depress our stock price regardless of our business, prospects, financial conditions, or results of operations. A decline in the market price of our securities also could adversely affect our ability to issue additional securities and our ability to obtain additional financing in the future.

The obligations associated with being a public company will involve significant expenses and will require significant resources and management attention, which may divert from our business operations.

As a public company, we are subject to the reporting requirements of the Exchange Act and the Sarbanes-Oxley Act. The Exchange Act requires the filing of annual, quarterly and current reports with respect to a public company’s business and financial condition. The Sarbanes-Oxley Act requires, among other things, that a public company establish and maintain effective internal control over financial reporting. As a privately held company, Eos is not currently subject to these requirements. As a result, the post-business combination company will incur significant legal, accounting and other expenses that Eos did not previously incur. Eos’s entire management team and many of its other employees will need to devote substantial time to compliance, and may not effectively or efficiently manage its transition into a public company.

These rules and regulations will result in the post-business combination company incurring substantial legal and financial compliance costs and will make some activities more time-consuming and costly. For example, these rules and regulations will likely make it more difficult and more expensive for the post-business combination company to obtain director and officer liability insurance, and it may be required to accept reduced policy limits and coverage or incur substantially higher costs to obtain the same or similar coverage. As a result, it may be difficult for the post-business combination company to attract and retain qualified people to serve on its board of directors, its board committees or as executive officers.

We are currently an emerging growth company and a smaller reporting company within the meaning of the Securities Act, and to the extent we have taken advantage of certain exemptions from disclosure requirements available to emerging growth companies or smaller reporting companies, this could make our securities less attractive to investors and may make it more difficult to compare our performance with other public companies.

BMRG is an “emerging growth company,” as defined in Section 2(a) of the Securities Act, as modified by the JOBS Act, and we may take advantage of certain exemptions from various reporting requirements that are applicable to other companies that are not emerging growth companies, including, but not limited to, not being required to comply with the auditor attestation requirements of Section 404 of SOX, reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements, and exemptions from the requirements of holding a nonbinding advisory vote on executive compensation and stockholder approval of any golden parachute payments not previously approved. As a result, our stockholders may not have access to certain information they may deem important. We cannot predict whether investors will find our securities less attractive because we will rely on these exemptions. If some investors find our securities less attractive as a result of our reliance on these exemptions, the trading prices of our securities may be lower than they otherwise would be, there may be a less active trading market for our securities and the trading prices of our securities may be more volatile.

Further, section 102(b)(1) of the JOBS Act exempts emerging growth companies from being required to comply with new or revised financial accounting standards until private companies (that is, those that have not had a Securities Act registration statement declared effective or do not have a class of securities registered under the Exchange Act) are required to comply with the new or revised financial accounting standards. BMRG intends to take advantage of the benefits of this extended transition period. This may make comparison of BMRG’s financial statements with certain other public companies difficult or impossible because of the potential differences in accounting standards used.

BMRG will remain an emerging growth company until the earlier of (i) the last day of the fiscal year (a) following the fifth anniversary of the completion of our initial public offering, (b) in which we have total annual gross revenue of at least $1.07 billion (as adjusted for inflation pursuant to SEC rules from time to time), or (c) in which we are deemed to be a large accelerated filer, which means the market value of our shares of common stock that are held by non-affiliates exceeds $700 million as of the prior June 30th, and (ii) the date on which we issued more than $1.00 billion in non-convertible debt during the prior three-year period. If the business combination is consummated, we currently anticipate losing our “emerging growth company” status at the end of year 2020. If we are not able to implement the requirements of Section 404 of SOX, including any additional requirements once we

are no longer an emerging growth company, in a timely manner or with adequate compliance, we may not be able to assess whether our internal controls over financial reporting are effective, which may subject us to adverse regulatory consequences and could harm investor confidence and the market price of our securities.

BMRG’s initial stockholders, directors, officers, advisors and their affiliates may elect to purchase shares or public warrants from public stockholders or public warrant holders, which may influence a vote on the business combination and reduce the public “float” of our common stock.

BMRG’s initial stockholders, directors, officers, advisors or their affiliates may purchase shares or public warrants in privately negotiated transactions or in the open market either before or following Closing, although they are under no obligation to do so. There is no limit on the number of shares BMRG’s initial stockholders, directors, officers, advisors, or their affiliates may purchase in such transactions, subject to compliance with applicable law and the rules of the NYSE. However, other than as expressly stated herein, they have no current commitments, plans or intentions to engage in such transactions and have not formulated any terms or conditions for any such transactions. None of the funds in the trust account will be used to purchase shares or public warrants in such transactions.

In the event that BMRG’s initial stockholders, directors, executive officers, advisors, or their affiliates purchase shares in privately negotiated transactions from public stockholders who have already elected to exercise their redemption rights, such selling stockholders would be required to revoke their prior elections to redeem their shares. The purpose of any such purchases of shares could be to vote such shares in favor of the business combination and thereby increase the likelihood of obtaining stockholder approval of the business combination or to satisfy a closing condition in the Merger Agreement that requires us to have a certain amount of cash at the Closing, where it appears that such requirement would otherwise not be met. In addition, the purpose of any such purchases of public warrants could be to reduce the number of public warrants outstanding or to vote such warrants on any matters submitted to the warrant holders for approval in connection with the initial business combination. Any such purchases of our securities may result in the completion of the business combination that may not otherwise have been possible.

In addition, if such purchases are made, the public “float” of our common stock and the number of beneficial holders of our securities may be reduced, possibly making it difficult to maintain or obtain the quotation, listing, or trading of our securities on a national securities exchange.

BMRG did not obtain an opinion from an independent investment banking or accounting firm, and consequently, there can be no assurance from an independent source that the price BMRG is paying for is fair to BMRG from a financial point of view.

BMRG is not required to obtain an opinion from an independent investment banking or accounting firm that the price BMRG is paying in connection with the business combination is fair to BMRG from a financial point of view. Our board of directors did not obtain a third-party valuation or fairness opinion in connection with its initial determination to approve and recommend the business combination. Accordingly, investors will be relying solely on the judgment of our board of directors in valuing Eos’s business, and assuming the risk that the board of directors may not have properly valued the business combination.

BMRG’s initial stockholders have agreed to vote in favor of the business combination, regardless of how our public stockholders vote.

Our initial stockholders have agreed to vote their founder shares, private placement shares as well as any public shares purchased during or after BMRG’s IPO, in favor of the business combination. The initial stockholders own approximately 22% of our outstanding shares prior to the business combination. Accordingly, it is more likely that the necessary stockholder approval for the business combination will be received than would be the case if our initial stockholders agreed to vote their founder shares and private placement shares in accordance with the majority of the votes cast by our public stockholders.

BMRG and Eos will incur significant transaction and transition costs in connection with the business combination. If we fail to consummate the business combination, we may not have sufficient cash available to pay such costs.

We and Eos expect to incur significant, non-recurring costs in connection with consummating the business combination. Some of these costs are payable regardless of whether the business combination is completed. We and Eos may also incur additional costs to retain key employees. Our and Eos’s transaction expenses as a result of the

BMRG’s stockholders may be held liable for claims by third parties against BMRG to the extent of distributions received by them.

If BMRG is unable to complete the business combination with Eos or another business combination within the required time period, BMRG will cease all operations except for the purpose of winding up, liquidating and dissolving, subject to our obligations under Delaware law to provide for claims of creditors and the requirements of other applicable law. BMRG cannot assure you that we will properly assess all claims that may be potentially brought against us. As such, BMRG’s stockholders could potentially be liable for any claims to the extent of distributions received by them (but no more) and any liability of our stockholders may extend well beyond the third anniversary of the date of distribution. Accordingly, BMRG cannot assure you that third parties will not seek to recover from our stockholders amounts owed to them by BMRG.

If BMRG is forced to file a bankruptcy case or an involuntary bankruptcy case is filed against us which is not dismissed, any distributions received by stockholders could be viewed under applicable debtor/creditor and/or bankruptcy laws as either a “preferential transfer” or a “fraudulent conveyance.” As a result, a bankruptcy court could seek to recover all amounts received by BMRG’s stockholders. Furthermore, because BMRG intends to distribute the proceeds held in the trust account to our public stockholders promptly after the expiration of the time period to complete an initial business combination, this may be viewed or interpreted as giving preference to our public stockholders over any potential creditors with respect to access to or distributions from our assets. Furthermore, BMRG’s board of directors may be viewed as having breached their fiduciary duties to our creditors and/or may have acted in bad faith, and thereby exposing itself and the company to claims of punitive damages, by paying public stockholders from the trust account before addressing the claims of creditors. BMRG cannot assure you that claims will not be brought against us for these reasons.

The working capital available to the post-combination business after the business combination will be reduced to the extent that our stockholders exercise their redemption rights in connection with the business combination and will also be reduced to the extent of BMRG’s and Eos’s transaction expenses, which will be payable by the post-combination company. This may adversely affect the business and future operations of Eos.

Significant uncertainties exist regarding the amount of additional cash, if any, that may be available to fund Eos’s operations as a result of the business combination. There was approximately $176.76 million in the trust account as of June 30, 2020; however, existing BMRG shareholders will have the right to elect to have their shares redeemed for cash in connection with the business combination. Immediately following the Closing, we intend to use a combination of (i) cash remaining in the trust fund, (ii) cash on hand at Eos, and (iii) cash proceeds from the PIPEs, to pay transaction expenses and fund Eos’s near-term working capital requirements. It is not possible at this time to predict how many existing BMRG stockholders will exercise their redemption rights, and therefore it is not possible at this time to predict how much cash will be held in the trust account immediately following Closing.

The Merger Agreement provides that Eos’s obligation to consummate the business combination is subject to the condition that, among other things, BMRG has an aggregate of at least $110 million of cash available from the trust account and from the proceeds of investments of equity financing sources before taking into account certain expenses. If such condition is not met, then the Merger Agreement could terminate and the proposed business combination may not be consummated. If such condition is waived and the business combination is consummated, the cash held by us and our subsidiaries (including Eos) in the aggregate, after the Closing may not be sufficient to allow us to operate and pay our bills as they become due. Furthermore, our affiliates are not obligated to make loans to us or invest in us in the future after the business combination. The additional exercise of redemption rights with respect to a large number of our public stockholders may make us unable to take such actions as may be desirable in order to optimize our capital structure after consummation of the business combination and we may not be able to raise additional financing from unaffiliated parties necessary to fund our expenses and liabilities after the Closing. Any such event in the future may negatively impact the analysis regarding our ability to continue as a going concern at such time.

The business combination is subject to conditions, including certain conditions that may not be satisfied on a timely basis, if at all.

The Closing is subject to a number of conditions. The Closing is not assured and is subject to risks, including the risk that approval of the business combination by BMRG’s stockholders is not obtained or that there are not sufficient funds in the trust account, in each case subject to certain terms specified in the Merger Agreement (as described under

“The Merger Agreement — Conditions to the Closing of the Business Combination”), or that other closing conditions are not satisfied. If we do not complete the business combination, we could be subject to several risks, including:

•        the parties may be liable for damages to one another under the terms and conditions of the Merger Agreement;

•        negative reactions from the financial markets, including declines in the price of BMRG’s shares due to the fact that current prices may reflect a market assumption that the business combination will be completed; and

•        the attention of our management will have been diverted to the business combination rather than our own operations and pursuit of other opportunities that could have been beneficial to that organization.

BMRG may waive one or more of the conditions to the business combination.

BMRG may agree to waive, in whole or in part, one or more of the conditions to its obligations to complete the business combination, to the extent permitted by its existing charter and applicable laws. For example, it is a condition to BMRG’s obligation to close the business combination that each of the covenants of Eos to be performed as of or prior to the Closing having been performed in all material respects. However, if our board of directors determines to effectuate the business combination notwithstanding any such breach, then it may elect to waive that condition and close the business combination. In deciding to waive one or more conditions to the business combination, BMRG’s directors have interests in and arising from the business combination that are different from or in addition to (and which may conflict with) the interests of BMRG’s public stockholders. See “— Directors of BMRG have potential conflicts of interest in recommending that stockholders vote in favor of approval of the business combination and approval of the other proposals described in this proxy statement.” Under applicable law and BMRG’s amended and restated certificate of incorporation, BMRG is not able to waive the condition that its stockholders approve the business combination.

The business combination may be materially adversely affected by the recent coronavirus (COVID-19) outbreak and the status of debt and equity markets, as well as protectionist legislation in our target markets.

In December 2019, a novel strain of coronavirus was reported to have surfaced in Wuhan, China, which has and is continuing to spread throughout China and other parts of the world, including the United States. On January 30, 2020, the World Health Organization declared the outbreak of COVID-19 a “Public Health Emergency of International Concern.” On January 31, 2020, U.S. Health and Human Services Secretary Alex M. Azar II declared a public health emergency for the United States to aid the U.S. healthcare community in responding to COVID-19, and on March 11, 2020 the World Health Organization characterized the outbreak as a “pandemic”. This outbreak of COVID-19 has resulted in a widespread health crisis that has and may continue to adversely affect the economies and financial markets worldwide, and the business of any potential target business with which we may consummate a business combination could be materially and adversely affected. Furthermore, we may be unable to complete a business combination if continued concerns relating to COVID-19 restrict travel, limit the ability to have meetings with potential investors or the target company’s personnel, vendors and services providers are unavailable to negotiate and consummate a transaction in a timely manner. In addition, countries or supranational organizations in our target markets may develop and implement legislation that makes it more difficult or impossible for entities outside such countries or target markets to acquire or otherwise invest in companies or businesses deemed essential or otherwise vital. The extent to which COVID-19 impacts our ability to consummate the business combination will depend on future developments, which are highly uncertain and cannot be predicted, including new information which may emerge concerning the severity of COVID-19 and the actions to contain COVID-19 or treat its impact, among others. If the disruptions posed by COVID-19 or other matters of global concern continue for an extensive period of time, and result in protectionist sentiments and legislation in our target markets, our ability to consummate a business combination with Eos, may be materially adversely affected. In addition, our ability to consummate a transaction may be dependent on the ability to raise equity and debt financing which may be impacted by COVID-19 and other events.

There can be no assurance that our common stock that will be issued in connection with the business combination will be approved for listing on Nasdaq following the Closing, or that we will be able to comply with the continued listing standards of Nasdaq.

We intend to list the shares of our common stock and warrants, upon the Closing, on Nasdaq. Our continued eligibility for listing may depend on the number of our shares that are redeemed. If, after the business combination,

the consummation of the business combination, the Company is required to file and maintain an effective registration statement under the Securities Act covering such securities and certain other securities of the Company.

The registration of these securities will permit the public sale of such securities, subject to certain contractual restrictions imposed by the Merger Agreement. The registration and availability of such a significant number of securities for trading in the public market may have an adverse effect on the market price of our common stock post-business combination.

If the adjournment proposal is not approved, and an insufficient number of votes have been obtained to authorize the consummation of the business combination, BMRG’s board of directors will not have the ability to adjourn the Special Meeting to a later date in order to solicit further votes, and, therefore, the business combination will not be approved.

The Adjournment Proposal seeks approval to adjourn the Special Meeting to a later date or dates if, at the Special Meeting, based upon the tabulated votes, there are insufficient votes to approve the consummation of the business combination. If the Adjournment Proposal is not approved, BMRG’s board will not have the ability to adjourn the Special Meeting to a later date and, therefore, will not have more time to solicit votes to approve the consummation of the business combination. In such event, the business combination would not be completed.

Risks Related to the Redemption

The ability of stockholders to exercise redemption rights with respect to a large number of shares could increase the probability that the business combination would be unsuccessful and that stockholders would have to wait for liquidation to redeem their stock.

At the time we entered into the agreements for the business combination, we did not know how many stockholders will exercise their redemption rights, and therefore we structured the business combination based on our expectations as to the number of shares that will be submitted for redemption. If a larger number of shares are submitted for redemption than we initially expected, this could lead to our failure to consummate the business combination, our failure to obtain or maintain the listing of our securities on the NYSE or another national securities exchange, or a lack of liquidity, which could impair the Company’s ability to fund our operations and adversely affect our business, financial condition and results of operations.

Public stockholders who wish to redeem their public shares for a pro rata portion of the trust account must comply with specific requirements for redemption that may make it more difficult for them to exercise their redemption rights prior to the deadline. If stockholders fail to comply with the redemption requirements specified in this proxy statement, they will not be entitled to redeem their public shares for a pro rata portion of the funds held in the trust account.

A public stockholder will be entitled to receive cash for any public shares to be redeemed only if such public stockholder: (i) (a) hold public shares or (b) hold public shares through units and elects to separate its units into the underlying public shares and public warrants prior to exercising its redemption rights with respect to the public shares; and (ii) prior to 10:00 AM, Eastern Time, on November 10, 2020 (two (2) business days prior to the vote at the special meeting), (a) submit a written request to BMRG’s transfer agent, that BMRG redeem its public shares for cash and (b) deliver its public shares to the transfer agent, physically or electronically through The Depository Trust Company. It is our understanding that stockholders should generally allot at least two weeks to obtain physical certificates from our transfer agent. However, because we do not have any control over this process or over DTC, it may take significantly longer than two weeks to obtain a physical stock certificate. If it takes longer than anticipated to obtain a physical certificate, public stockholders who wish to redeem their public shares may be unable to obtain physical certificates by the deadline for exercising their redemption rights and thus will be unable to redeem their shares.

In addition, if, despite our compliance with the proxy rules, a public stockholder fails to receive our proxy materials, such public stockholder may not become aware of the opportunity to redeem his, her or its public shares.

•        Assuming Maximum Redemptions:    This presentation assumes that approximately 60.4% of BMRG’s public stockholders exercise redemption rights with respect to their public shares. This scenario assumes that 10,570,000 public shares are redeemed for an aggregate redemption payment of approximately $106.8 million, based on $176.76 million in the trust and 17,500,000 public shares outstanding as of June 30, 2020. This is presented as the maximum redemptions scenario because BMRG’s obligation to consummate the business combination is subject to the condition that it has an aggregate of at least $110 million of cash available from the trust account and from the proceeds of investments of equity financing sources before taking into account certain expenses. In accordance with the Charter, a public stockholder, together with any affiliate of his or hers, or any other person with whom he or she is acting in concert or as a “group” (as defined in Section 13(d)(3) of the Exchange Act) will be restricted from redemption with respect to 20% or more of public shares without the Company’s prior written consent. Furthermore, in no event will the Company redeem the public shares in an amount that would cause its net tangible assets to be less than $5,000,001.

The following summarizes the pro forma common stock shares outstanding under the two scenarios:

____________

(1)      Assuming BMRG’s public stockholders redeem approximately 10,570,000 shares for aggregate redemption payments of $106.757 million based on an estimated $10.10 liquidation value as of June 30, 2020. This maximum redemption scenario satisfies BMRG’s obligation to consummate the business combination with an aggregate of at least $110 million of cash available from the trust account and from equity financing sources (made up of the 6,930,000 shares multiplied by the $10.10 liquidation value equaling $70 million plus the $40 million PIPE investment).

(2)      Consists of the Sponsor and BMRG’s independent directors.

(3)      This number includes 1,718,000 shares subject to the Sponsor Earnout arrangement which may be subject to forfeiture, and 650,000 private placement shares acquired by the Sponsor at the time of the IPO.

(4)      This number does not reflect the 2,000,000 earnout shares which may be issued to the Eos securityholders on a pro rata basis upon the triggering of certain events as described in the Merger Agreement.

(5)      This number assumes exercise of certain options to acquire certain number of shares of the Company’s common stock.

The following unaudited pro forma condensed combined balance sheet as of June 30, 2020, unaudited pro forma condensed combined statement of operations for the six-months ended June 30, 2020 and for the year ended December 31, 2019 are based on the historical financial statements of BMRG and Eos. The unaudited pro forma adjustments are based on information currently available, assumptions, and estimates and are described in the accompanying notes. Actual results may differ materially from the assumptions and estimates used to present the accompanying unaudited pro forma condensed combined financial information.

BMRG UNAUDITED PRO FORMA CONDENSED
COMBINED BALANCE SHEET

June 30, 2020

BMRG UNAUDITED PRO FORMA CONDENSED
COMBINED BALANCE SHEET — Continued

June 30, 2020

BMRG UNAUDITED PRO FORMA CONDENSED
COMBINED STATEMENT OF OPERATIONS FOR THE
SIX MONTHS ENDED JUNE 30, 2020