Ameresco to Participate at Upcoming Conferences

• On June 2, 2026, Ameresco’s Executive Vice President and Chief Financial Officer, Mark Chiplock; and Senior Vice President and Chief Marketing Officer, Leila Dillon, will host a fireside chat at 12:50pm ET at the Baird Global Consumer, Technology, and Services Conference. This event will take place at the InterContinental New York Barclay in New York, NY. Ameresco’s management team will also host investor meetings throughout the day.

• On June 2, 2026, Ameresco’s President and Chief Executive Officer, George Sakellaris; and Chief Investment Officer, Joshua Baribeau, will host investor meetings at the Stifel Boston Cross Sector 1×1 Conference. This event will take place at the InterContinental Boston in Boston, MA.

About Ameresco, Inc.

Founded in 2000, Ameresco, Inc. (NYSE:AMRC) is a leading energy infrastructure 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, data centers, 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.