Eos Energy Enterprises Appoints Cybersecurity and Software Leader Haiyan Song to Board of Directors, Names Marie Martin Chief Legal Officer in Planned Transition

Eos Energy Enterprises, Inc. (NASDAQ: EOSE) (“Eos” or the “Company”), America’s leading innovator in designing, manufacturing, and providing zinc-based long-duration energy storage (LDES) systems sourced and manufactured in the United States, today announced the appointment of Haiyan Song to its Board of Directors and a planned leadership transition of the Company’s Chief Legal Officer. The announcements come as Eos scales U.S. manufacturing and accelerates commercial deployments. The Company is building the technology, talent, and governance foundation to lead in an energy storage market being reshaped by surging electricity demand, tightening grid constraints, and the growing role of data, software, and cybersecurity in how storage systems are built, secured and operated. Board Appointment Song brings more than three decades leading software, cloud, cybersecurity, data, and enterprise technology businesses, most recently as Executive Vice President of NetApp’s CloudOps business, with prior senior leadership roles at F5, Splunk and Hewlett Packard Enterprise spanning product, engineering, cloud, cybersecurity and go-to-market functions at global scale. She also brings public and private board experience through...