Ameresco, Inc., (NYSE:AMRC), a leading energy infrastructure solutions provider, today announced that it will release its first quarter 2026 financial results after the close of the market on Monday, May 4, 2026. The earnings press release will be available on the "Investor Relations" section of the Company's website at www.ameresco.com. The Company will host an earnings conference call at 4:30 p.m. EDT the same day.

In conjunction with its earnings conference call and press release, the Company will provide supplemental information concerning the financial results. The supplemental information on a Current Report on Form 8-K will be posted to the "Investor Relations" section of the Company's website.

Those who wish to participate on the day of the call may dial in by calling:

USA & Canada Participants (Toll-Free): 1-888-596-4144

International Participants: 1-646-968-2525

Conference ID: 4849290

A live, listen-only webcast of the conference call will also be available over the Internet. Individuals wishing to listen can access the call through the "Investor Relations" section of the Company's website at www.ameresco.com. If you are unable to listen to the live call, an archived webcast will be available on the Company's website for one year.

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 energy infrastructure 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.

View source version on businesswire.com: https://www.businesswire.com/news/home/20260406485476/en/

Media Relations

Leila Dillon, 508.661.2264, news@ameresco.com

Investor Relations

Eric Prouty, Advisiry Partners, 212.750.5800, eric.prouty@advisiry.com

Lynn Morgen, Advisiry Partners, 212.750.5800, lynn.morgen@advisiry.com

Ameresco to Announce First Quarter 2026 Financial Results on May 4, 2026