Form 8-K Filing: Officer and Director Changes at Eos Energy Enterprises, Inc.

Eos Energy Enterprises, Inc. announced a change in its Board of Directors. Russell Stidolph will resign from the Board effective December 31, 2025, to focus on other business ventures. Joseph Nigro will succeed Mr. Stidolph as the non-executive chair of the Board, effective January 1, 2026. Mr. Stidolph has been instrumental in Eos's growth and evolution since its early stages, serving as non-executive Chair since April 2018 and as a lead investor for over eleven years. Mr. Nigro brings extensive experience in the energy, utility, and infrastructure sectors, having held senior leadership roles at Exelon Corporation and Constellation. His appointment is expected to support Eos's next phase of operations and growth, particularly as the company scales its manufacturing and meets increasing demand for energy storage solutions.