Transaction Details

Footnotes

The reporting person disclaims beneficial ownership of the shares held by his spouse, and this report should not be deemed an admission that the reporting person is the beneficial owner of his spouse's shares for purposes of Section 16 or for any other purpose. | On May 10, 2016, the reporting person was granted an option to purchase 50,000 shares of Class A common stock. The option vested based on continued service to Ameresco, Inc. and performance relative to goals established for the three-year performance period from January 1, 2016 to December 31, 2018. Based on the level of achievement of these goals, as determined by Ameresco, Inc.'s Compensation Committee, this option vested as to 44,401 shares.