AAON, INC. — Director's Dealing 2010

May 25, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AAON INC (AAON)
CIK: 0000824142
Period of Report: 2010-05-25

Reporting Person: Levine Jerry R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-25	Common Stock, par value $.004	A	1050	—	Acquired	65867	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $.004	1500	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option	$12	2015-09-09	Common Stock (2400)	1	Direct
Stock Option	$19.46	2017-09-10	Common Stock (5000)	1	Direct

Footnotes

F1: Restricted Stock Grant