Arthur J. Gallagher & Co. Acquires Nourse Insurance Brokers, Inc.

ITASCA, Ill., May 18 /PRNewswire-FirstCall/ -- Arthur J. Gallagher & Co. today
announced the acquisition of Nourse Insurance Brokers, Inc. in Walnut Creek,
California. Terms of the transaction were not disclosed.

Founded in 1935, Nourse Insurance Brokers, Inc. is a retail insurance broker
offering personal and commercial property/casualty insurance products and
services to their clients throughout the Western United States. They have
expertise with personal lines, especially high net worth clients, and offer
insurance programs that meet the needs for small to medium sized businesses.
Dina Campana Smith, James B. Salisbury and their associates will continue to
operate in their Walnut Creek location under the direction of James G.
McFarlane, West Coast Regional Manager of Gallagher's retail property/casualty
brokerage operations.

J. Patrick Gallagher, Jr., Chairman, President and CEO said, "Nourse Insurance
Brokers' professional staff has an excellent reputation for their industry
experience and solid market relationships. Their team-based culture and
outstanding client service will be a wonderful complement to our West Coast
Region. We look forward to working with Dina, Jim and their team for many
years to come, and we welcome them to our growing Gallagher family of
professionals."

Arthur J. Gallagher & Co., an international insurance brokerage and risk
management services firm, is headquartered in Itasca, Illinois, has operations
in 15 countries and does business in more than 100 countries around the world
through a network of correspondent brokers and consultants. Gallagher is
traded on the New York Stock Exchange under the symbol AJG.

SOURCE Arthur J. Gallagher & Co.

Marsha J. Akin, Investor Relations of Arthur J. Gallagher & Co.,
+1-630-773-3800