144 0001703854 XXXXXXXX LIVE 0001069202 LENNOX INTERNATIONAL INC 001-15149 2140 LAKE PARK BLVD RICHARDSON TX 75080 972-497-5000 Kosel Chris Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

971 529000.82 34799968 05/06/2026 NYSE Common 03/16/2026 Restricted Stock Vesting Issuer N 971 03/16/2026 Compensation Y 05/06/2026 /s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Chris A. Kosel