Arthur J. Gallagher & Co. (a Delaware corporation) $750,000,000 4.600% Senior Notes due 2027 $750,000,000 4.850% Senior Notes due 2029 $500,000,000 5.000% Senior Notes due 2032 $1,500,000,000 5.150% Senior Notes due 2035 $1,500,000,000 5.550% Senior...Underwriting Agreement • December 11th, 2024 • Arthur J. Gallagher & Co. • Insurance agents, brokers & service • New York
