X0303 4 2009-05-04 0001069202 LENNOX INTERNATIONAL INC LII 0001116323 BOXER SCOTT J 2140 LAKE PARK BOULEVARD RICHARDSON TX 75080 1 LII EVP/President SEI Common Stock, Par Value $0.01 Per Share 2009-05-04 4 M 0 7000 11.219 A 367364 D Common Stock, Par Value $0.01 Per Share 2009-05-04 4 S 0 7000 32.90 D 360364 D Non-qualified Stock Option (Right to Buy) 11.219 2009-05-04 4 M 0 7000 0 D 2000-12-08 2009-12-08 Common Stock, Par Value $0.01 Per Share 7000 36014 D The option becomes exercisable in three equal annual installments commencing one year after the date of grant. Attorney-in-fact pursuant to the power of attorney dated December 11, 2008. /s/ John D. Torres, attorney-in-fact for Scott J. Boxer 2009-05-06