Arthur J. Gallagher & Co. - Director's Dealing 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: GALLAGHER ARTHUR J & CO (AJG)
CIK: 0000354190
Period of Report: 2007-12-10

Reporting Person: GALLAGHER J PATRICK JR (Director, President & CEO)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-12-10	Common Stock	G	448	—	Acquired	100537	Indirect
2009-08-21	Common Stock	G	8300	—	Disposed	85574	Indirect
2009-10-30	Common Stock	G	650	—	Disposed	84924	Indirect
2009-12-17	Common Stock	G	550	—	Acquired	85474	Indirect
2009-08-21	Common Stock	G	3200	—	Acquired	180250	Indirect
2010-02-10	Common Stock	J	1733	$22.7902	Acquired	106886	Indirect

Security	Shares	Ownership
Common Stock	151130	Direct
Common Stock	150000	Indirect

F1: This transaction is reported late due to an inadvertent administrative error.

F2: Shares held in revocable trust of which my spouse is sole Trustee and as to which I disclaim beneficial ownership.

F3: Held in trust for benefit of minor children.

F4: Dividend reinvestment pursuant to the Arthur J. Gallagher & Co. Deferred Equity Participation Plan.