0001193125-09-201877 424B3 2 20091001 20091001 GALLAGHER ARTHUR J & CO 0000354190 6411 362151613 DE 1231 424B3 33 333-152710 091098108 TWO PIERCE PLACE ITASCA IL 60143 6307733800 TWO PIERCE PLACE ITASCA IL 60143-3141 424B3 1 d424b3.htm PROSPECTUS SUPPLEMENT #13 GRAPHIC 2 g89118snap0002.gif GRAPHIC