X0303 4 2011-03-08 0000354190 GALLAGHER ARTHUR J & CO AJG 0001386997 McGrath Susan E ARTHUR J. GALLAGHER & CO. TWO PIERCE PLACE ITASCA IL 60143 1 Chief Human Resources Officer Common Stock (restricted) 2011-03-08 4 A 0 4700 0 A 33205 D Common Stock 2011-03-08 4 J 0 814 31.11 D 5933 D Non-qualified Stock Option 30.95 2011-03-08 4 A 0 6400 0 A 2018-03-07 Common Stock 6400 6400 D The stock option becomes exercisable 20% each year on the anniversary of the grant date. Shares withheld to cover applicable taxes on restricted stock distribution. /s/ Kerry S. Abbott 2011-03-10