On October 23, 2023, Ameresco, Inc. announced that Britta MacIntosh has informed the Company of her intent to resign for personal reasons from her position as Executive Vice President, West Region and European Operations, effective December 31, 2023, after which she will continue to support the Company in a consulting capacity. Until the effective date of her resignation, Ms. MacIntosh will serve the Company in a transitional role to assist the members of the Company?s executive management team who will be taking over Ms. MacIntosh?s responsibilities.