Management Change/Compensation Form 8 K

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On July 24, 2024, pursuant to the terms of the Series A-1 Preferred Stock of Eos Energy Enterprises, Inc. (the "Company"), the holders of Series A-1 Preferred Stock elected Gregory Nixon to serve on the board of directors of the Company.

Mr. Nixon is Head of Strategic Investments, Senior Managing Director and Senior Legal Counsel for Cerberus Capital Management ("Cerberus"). In his role at Cerberus, he focuses on investment opportunities with the potential to drive technological, security, and defense advancements across sectors and geographies. Previously, Mr. Nixon served as managing director of Cerberus Operations and Advisory Company and has served on the Board of Directors for several Cerberus portfolio companies. Prior to rejoining Cerberus in 2021, Mr. Nixon served in a variety of senior executive roles. His experience includes leadership roles at DynCorp International (a Cerberus portfolio company), CH2M Incorporated, McKinsey and Company, and Booz Allen Hamilton Inc. He also served as an executive advisor to Tracker Capital Management, a venture capital investor founded by Cerberus Co-Founder and Co-Chief Executive Officer, Steve Feinberg, that invests in high-potential technology growth companies.

He is a Director on the board of Business Executives in National Security and a Director of Red River Corporation and StratoLaunch Corporation.

Mr. Nixon has a law degree from Georgetown University Law Center and a B.S. in mechanical engineering from Tuskegee University. He is also a retired Air Force Judge Advocate General (JAG) Officer (Lt. Colonel). Mr. Nixon is a recent adjunct professor of law at Howard University Law School and formerly served on the Board of Directors of the Thurgood Marshall Scholarship Fund as well as the National Inventors Hall of Fame. He is also a member of the Economic Club of Washington and the Executive Leadership Council.

Mr. Nixon does not have any family relationships with any of the executive officers or directors of the Company. There are no arrangements or understandings between Mr. Nixon and any other person pursuant to which he was elected as a director of the Company.

In connection with Mr. Nixon's appointment to the Board, it is anticipated that Mr. Nixon will enter into an indemnification agreement with the Company (the "Indemnification Agreement"). The Indemnification Agreement will provide that the Company shall indemnify Mr. Nixon to the fullest extent permitted by applicable law, in third-party proceedings and in proceedings by or in the right of the Company. The Company will also be required to indemnify Mr. Nixon against certain expenses. The Indemnification Agreement will remain in effect so long as the Preferred Holders have the right to appoint a director of the Company or such Preferred Holder appointed director, serves as a director or officer of the Company.

The foregoing description of the Indemnification Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the form of Indemnification Agreement, a copy of which is filed as Exhibit 10.1 hereto and incorporated by reference herein.