Stockholders and other interested parties may communicate directly with our Board of Directors, our Board Committees, and individual director in writing by sending a letter addressed to

Eos Energy Board of Directors
c/o Corporate Secretary
3920 Park Avenue
Edison, NJ 08820

Substantive communications, such as corporate governance matters or potential issues relating to accounting, internal controls or other auditing matters, are forwarded by our Corporate Secretary to the full Board of Directors, Board Committee or the relevant director(s) as appropriate.

Communications not requiring the substantive attention of our Board, such as employment inquiries, questions about our products or services, business solicitations, and other such matters, are handled directly by our Management team. If you have such an inquiry, please contact Eos at ir@eose.com.