Customer projects and renewable energy assets avoided approximately 16 million metric tons of carbon dioxide in 2023

Ameresco, Inc., (NYSE: AMRC), a leading cleantech integrator specializing in energy efficiency and renewable energy, today announced the release of its 2023 Impact Report on the theme of “Doing Well, by Doing Good: People, Planet and Policy.” The report demonstrates the lasting impact that Ameresco’s business has across employees, customers, partners, communities, planet, industry, and beyond. This year’s report showcases the multitude of ways that the company remains committed to bringing its vision to “energize a sustainable future” to life across its 1,500+ employees and broad customer footprint spanning North America and Europe.

Since its founding in 2000, Ameresco has led a dedicated tremendous effort to drive the clean energy transition through cost saving, environmentally responsible and resilience-strengthening projects with Federal, state and local governments, utilities, educational and healthcare institutions, and others. In 2023, Ameresco customer projects and the Company’s renewable energy assets avoided approximately 16 million metric tons of CO₂ and now, over 110 million metric tons cumulatively since the company went public in 2010 through the end of 2023.

"Ameresco’s impact – and future impact – motivates me every day. As a pioneer in clean energy, our journey has granted us the opportunity to spearhead and shape the energy sector's transformation, and sustainability isn't just a principle for our customers; it's woven into the fabric of our daily operations," said George Sakellaris, President and CEO of Ameresco. "We are doing well by doing good, and I could not be prouder of what our customers and our team have been able to achieve when it comes to our people, our planet and our policies.”

Some of the report’s highlights from 2023 include:

• Countless exemplary customer stories of how organizations are embracing energy efficiency, renewable generation, infrastructure modernization and more to drive cost savings, resiliency and decarbonization goals;
• A new mentorship program whose initial cohort of 150 participants gained valuable cross-company engagement and coaching via mentor-mentee pairings;
• Cultivating a diverse, equitable, and inclusive workplace through monthly themed programming, and partnering with nonprofits, such as STEM Like a Girl, to bolster the representation of underrepresented groups in the clean energy field;
• Over 26,000 training hours completed by employees across safety, cybersecurity, human resources, and sales, marketing and technology topics;
• A continued focus on health and safety across the global footprint, including a safety organization that utilizes an integrated safety management approach to perform work and adhere to core safety values;
• Over 3,000 hours of volunteering in local communities including the 2023 Earth Day Cleanup where employees from MA to HI and Canada to the U.K., took action to protect the environment by removing trash and debris from trails and waterways;
• The company’s annual Go Green Challenge consisting of daily eco-friendly activities focused on reducing food waste, minimizing vehicle emissions from commuting, and recycling – to maximize impact, the winning teams earned $7,000 in corporate donations to support nonprofits of their choice.

The report reiterates Ameresco’s long-term commitments to driving impact across people, planet, and policy areas such as: achieving net zero scope 1 and 2 emissions from operations by 2040; reducing customers’ carbon footprints by a cumulative 500 million metric tons by 2050; continued focus on building and operating on a strong foundation of safety first; developing career advancement programs that facilitate future employee growth opportunities; and more. This year’s report builds on the foundation of transparency, leadership, and commitments established in prior years’ environmental, social, and corporate governance (ESG) reports.

“I am energized by what is to come,” added Doran Hole, Executive Vice President, Chief Financial Officer and Executive Chair of Ameresco’s ESG Ambassador group. "By taking purposeful action focused on lasting impact, we reinforce our position as a trusted and dependable leader among our customers and industry partners. This proactive approach to people, planet and policy emphasizes our commitment to addressing global climate change, doing good for people and fostering a sustainable business future for all."

To view the 2023 Impact Report, please visit: https://www.ameresco.com/2023-impact-report/. To learn more about Ameresco, visit www.ameresco.com.

About Ameresco, Inc.

Founded in 2000, Ameresco, Inc. (NYSE:AMRC) is a leading cleantech integrator and renewable energy asset developer, owner and operator. Our comprehensive portfolio includes solutions that help customers reduce costs, decarbonize to net zero, and build energy resiliency while leveraging smart, connected technologies. From implementing energy efficiency and infrastructure upgrades to developing, constructing, and operating distributed energy resources – we are a trusted sustainability partner. Ameresco has successfully completed energy saving, environmentally responsible projects with Federal, state and local governments, utilities, healthcare and educational institutions, housing authorities, and commercial and industrial customers. With its corporate headquarters 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.

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