Ameresco, Inc. — Director's Dealing 2021

May 12, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ameresco, Inc. (AMRC)
CIK: 0001488139
Period of Report: 2021-05-10

Reporting Person: STAVROPOULOS NICKOLAS (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-10	Class A Common Stock	M	12623	$16.33	Acquired	16623	Direct
2021-05-10	Class A Common Stock	S	12623	$50.146	Disposed	4000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-10	Stock Option (right to purchase)	$16.33	M	12623	Disposed	2029-04-23	Class A Common Stock (12623.0)	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.00 to $50.32, inclusive. The reporting person undertakes to provide to Ameresco, Inc., any security holder of Ameresco, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

F2: Of the shares subject to the option, 20% vested on April 24, 2020, and the remainder vest in four equal installments on each of the subsequent four anniversaries of such date.