Arthur J. Gallagher & Co. — Director's Dealing 2022

May 20, 2022

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Arthur J. Gallagher & Co. (AJG)
CIK: 0000354190
Period of Report: 2022-05-10

Reporting Person: Bloom Mark H. (Vice President)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock (restricted)	1030	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Phantom Stock	$		Common Stock (1580)		Direct
Non-qualified Stock Option	$158.56	2029-03-15	Common Stock (4900)		Direct

Footnotes

F1: Restricted stock unit award vesting five years after the date of grant.

F2: Grant date of 3/15/2022.

F3: These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.

F4: Each share of phantom stock represents a right to receive one share of Gallagher common stock.

F5: One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.