Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to ___________. Commission File Number: 001-34811 Ameresco, Inc. (Exact name of registrant as specified in its charter) Dela ...

Ameresco, Inc. (NYSE:AMRC) Q2 2019 Earnings Conference Call August 8, 2019 8:30 AM ET Company Participants Leila Dillon - Vice President, Marketing & Communications George Sakellaris - Chairman, President & Chief Executive Officer Mark Chiplock - Vice President Corporate Controller & Chief Accounting Officer Doran Hole - Senior Vice President & Chief Financial Officer Conference Call Participants Chris Van Horn - B. Riley Noah Kaye - Oppenheimer Operator Good day, ladies and gentlemen thank you for standing ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to ___________. Commission File Number: 001-34811 Ameresco, Inc. (Exact name of registrant as specified in its charter) Delaware ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to ___________. Commission File Number: 001-34811 Ameresco, Inc. (Exact name of registrant as specified in its charter) Delaware ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to ___________. Commission File Number: 001-34811 Ameresco, Inc. (Exact name of registrant as specified in its charter) Delaware 04-3 ...