An anonymous director reports

GFL ENVIRONMENTAL INC. ANNOUNCES SECONDARY OFFERING OF 17,000,000 SUBORDINATE VOTING SHARES BY SELLING SHAREHOLDERS

BCEC GFL Borrower (Cayman) LP, Ontario Teachers' Pension Plan Board, GFL Borrower II (Cayman) LP, Poole Private Capital LLC and entities affiliated with HPS Investment Partners LLC (collectively, the selling shareholders) intend to offer for sale 17 million subordinate voting shares of GFL Environmental Inc. GFL will not receive any proceeds from the sale of the shares. RBC Capital Markets LLC and RBC Dominion Securities Inc. will act as underwriters for the offering in the United States and Canada, respectively.

The shares issued pursuant to the offering will be offered in all provinces and territories of Canada by way of a prospectus supplement to the company's short form base shelf prospectus. The company has filed a registration statement on Form F-10 and will file the prospectus supplement with the U.S. Securities and Exchange Commission (the SEC) in accordance with the multijurisdictional disclosure system established between Canada and the United States.

Prospective investors should read the base shelf prospectus, the prospectus supplement, when available, and the documents incorporated by reference therein before investing in the shares. When available, these documents may be accessed for free on SEDAR+.

GFL has filed the Form F-10 registration statement (including a prospectus) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC website.

Alternatively, copies of the prospectus and prospectus supplement relating to the offering may be obtained, when available, upon request from RBC Capital Markets, attention: equity capital markets, 200 Vesey St., New York, N.Y., 10281, by telephone at 877-822-4089 or by e-mail at equityprospectus@rbccm.com, or RBC Dominion Securities, 180 Wellington St. West, eighth floor, Toronto, Ont., M5J 0C2, attention: distribution centre, via telephone: 1-416-842-5349 or via e-mail at Distribution.RBCDS@rbccm.com.

About GFL Environmental Inc.

GFL, headquartered in Vaughan, Ont., is the fourth-largest diversified environmental services company in North America, providing a comprehensive line of solid waste management, liquid waste management and soil remediation services through its platform of facilities throughout Canada and in more than half of the U.S. states. Across its organization, GFL has a work force of more than 20,000 employees.

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