AAON Declares Dividend

TULSA, OK--(Marketwire - November 13, 2008) - AAON, INC. (NASDAQ: AAON). The Board of Directors of AAON, Inc. has declared a semi-annual cash dividend of $0.16 per share to the holders of the outstanding Common Stock of the Company as of the close of business on December 12, 2008, the record date, payable on January 2, 2009.

About AAON

AAON is a manufacturer of semi-custom and custom heating and cooling products, including air handlers, condensing units, chillers, rooftop units and boilers.

Contact Information: For Further Information: Jerry R. Levine Ph: (914) 244-0292 Fax: (914) 244-0295