On September 2, 2022, Daniel Shribman resigned from the Board of Directors (the Board") of Eos Energy Enterprises, Inc. (the Company). Mr. Shribman's decision to resign was based on personal reasons and was not due to any disagreement with the Company on any matter relating to its operations, policies or practices. On September 7, 2022, the Board appointed Jeffrey Bornstein, age 57, to the Board.

Mr. Bornstein will serve as a Class III director with a term that expires at the Company's 2023 Annual Meeting of Stockholders or until his successor is elected and qualified. With this appointment, the Board has seven directors. Mr. Bornstein will also serve on the Audit Committee as chairman.