EX-10.5
Eos Energy Enterprises, Inc.
Execution Version THIRD AMENDMENT TO LOAN GUARANTEE AGREEMENT This THIRD AMENDMENT TO LOAN GUARANTEE AGREEMENT, dated August 4, 2026 (this "Amendment"), is made by and between the UNITED STATES DEPARTMENT OF ENERGY, an agency of the United States of America ("DOE") and EOS ENERGY ENTERPRISES, INC., a corporation organized and existing under the laws of the State of Delaware (the "Borrower" and together with DOE, each a "Party" and collectively the "Parties"). RECITALS WHEREAS, the Borrower and DOE entered into that certain Loan Guarantee Agreement, dated as of November 26, 2024 (as amended, restated, supplemented or otherwise modified from time to time, including by that certain Amendment to Loan Guarantee Agreement dated as of March 25, 2025; that certain Limited Consent to Loan Guarantee Agreement dated as of May 28, 2025; that certain Limited Consent to Loan Guarantee Agreement dated as of July 25, 2025; that certain Limited Consent to Loan Guarantee Agreement dated as of October 16, 2025; that certain Limited Consent to Loan Guarantee Agreement dated as of November 18, 2025; that
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