0001193125-07-091955 10-Q 7 20070331 20070426 20070426 GALLAGHER ARTHUR J & CO 0000354190 6411 362151613 DE 1231 10-Q 34 001-09761 07792244 TWO PIERCE PLACE ITASCA IL 60143 6307733800 10-Q 1 d10q.htm FORM 10-Q EX-10.16.1 2 dex10161.htm ARTHUR J. GALLAGHER & CO. DEFERRED EQUITY PARTICIPATION PLAN EX-15.1 3 dex151.htm LETTER OF ACKNOWLEDGEMENT FROM ERNST & YOUNG LLP EX-31.1 4 dex311.htm RULE 13A-14(A) CERTIFICATION OF CHIEF EXECUTIVE OFFICER EX-31.2 5 dex312.htm RULE 13A-14(A) CERTIFICATION OF CHIEF FINANCIAL OFFICER EX-32.1 6 dex321.htm SECTION 1350 CERTIFICATION OF CHIEF EXECUTIVE OFFICER EX-32.2 7 dex322.htm SECTION 1350 CERTIFICATION OF CHIEF FINANCIAL OFFICER