AAON, INC. — Director's Dealing 2012

May 16, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AAON INC (AAON)
CIK: 0000824142
Period of Report: 2012-05-15

Reporting Person: Levine Jerry R (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-15	Common Stock, par $.004	A	2250	—	Acquired	106900	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $.004	2250	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option	$8	2015-09-09	Common Stock (3600)	1	Direct
Stock Option	$12.97	2017-09-10	Common Stock (7500)	1	Direct
Stock Option	$16.05	2020-08-10	Common Stock (7500)	1	Direct

Footnotes

F1: Restricted Stock Grant