Ameresco Generates over $70 Million in Cash Proceeds from Sale of RNG-Related Investment Tax Credits

RNG Tax Credit Sale Underscores Ameresco's Innovation in Clean Energy Finance

Ameresco, Inc., (NYSE:AMRC), a leading energy solutions provider dedicated to helping customers navigate the energy transition today announced the successful sale of approximately $71 million in Investment Tax Credits (ITCs) generated from three of its landfill-gas-to-renewable natural gas (RNG) projects. These projects, which Ameresco developed, constructed, financed, and currently operates, were placed in service in 2024.

This transaction marks Ameresco's third ITC sale to a corporate buyer and its first sale of RNG tax credits under the transferability rules, demonstrating the company's ability to capitalize on clean energy incentives and project financing through multiple means and a diversified pool of lenders and investors.

"We are excited to complete our first RNG tax credit sale, which reflects the growing value and market confidence in renewable natural gas as a critical component of the clean energy transition," said Mike Bakas, President of Renewable Fuels at Ameresco. "This milestone builds on our recent success monetizing solar and battery storage tax credits, including our landmark transaction with MassMutual, and demonstrates our ability to leverage a variety of financial structures to unlock value from our energy assets."

STX Group served as the exclusive facilitator for Ameresco in this transaction.

Ameresco remains committed to advancing sustainable energy solutions and will continue to explore opportunities to monetize its diverse portfolio of energy assets.

For more information about Ameresco and its firm, renewable fuel solutions, visit www.ameresco.com/renewable-natural-gas.

About Ameresco, Inc.

Founded in 2000, Ameresco, Inc. (NYSE:AMRC) is a leading energy solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the global energy transition. Our comprehensive portfolio includes implementing smart energy efficiency solutions, upgrading aging infrastructure, and developing, constructing, and operating distributed energy resources. As a trusted full-service partner, Ameresco shows the way by reducing energy use and delivering diversified generation solutions to Federal, state and local governments, utilities, educational and healthcare institutions, housing authorities, and commercial and industrial customers. Headquartered in Framingham, MA, Ameresco has more than 1,500 employees providing local expertise in North America and Europe. For more information, visit www.ameresco.com.

About STX Group

STX Group is a leading global environmental commodity trader and climate solutions provider. For over 25 years, STX has been at the forefront of the global transition toward a low-carbon economy. By leveraging deep expertise in pricing pollution and emissions, STX helps cultivate trust in market-based solutions and accelerates capital flows into projects that make the world a greener place. Its trading and corporate climate solutions empower organizations to meet environmental goals with certified proof points and measurable impact. With a strong presence in the U.S.—including offices in New York and Houston—STX combines global reach with local expertise to connect participants across the full environmental commodity value chain.

For more information, please visit stxgroup.com.

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Media Contact:

Ameresco: Leila Dillon, 508-661-2264, [email protected]