144 0002057149 XXXXXXXX LIVE 0001780232 GFL Environmental Inc. 001-39240 100 NEW PARK PLACE SUITE 500 Vaughan A6 L4K 0H9 905-326-0101 Elizabeth Joy Grahek EVP, Strategic Initiatives Subordinate Voting Shares CIBC Wood Gundy

2275 Upper Middle Rd East, Suite 600 Oakville, ON Z4 LGH OC3

11000 546590 354894220 05/30/2025 NYSE Subordinate Voting Shares 03/20/2024 Acquired upon vesting of restricted stock units Issuer N 8017 03/20/2024 Acquired upon vesting of restricted stock units Subordinate Voting Shares 12/18/2023 Acquired upon vesting of restricted stock units Issuer N 2983 12/18/2023 Acquired upon vesting of restricted stock units Y 05/30/2025 /s/ Elizabeth Joy Grahek