TULSA, OK--(Marketwire - October 26, 2009) - AAON, INC. (NASDAQ: AAON). A question and answer session will follow a brief presentation by our President, Norman Asbjornson. The entire call should last about 45 minutes.

The call will cover:

--  Third Quarter Performance for the period ended 09/30/2009.
--  Recent Events
--  Future Outlook
    Date of Call:  Monday, November 2, 2009
    Time:          4:15 p.m. (Eastern Time)
    Telephone #:   1-877-737-1669
    Pass code:     VA55188

    Rebroadcast (available through November 9, 2009)

                   Toll Free:   1-800-355-2355
                   Pass code:   55188

AAON looks forward to your attendance at the call.

AAON is engaged in the engineering, manufacturing, marketing and sale of air conditioning and heating equipment consisting of standard, semi-custom and custom rooftop units, chillers, boilers, air handling units, make-up air units, heat recovery units, condensing units and coils.

Since the founding of AAON in 1988, AAON has maintained a commitment to design, develop, manufacture and deliver heating and cooling products to perform beyond all expectations and demonstrate the value of AAON to our customers. For more information visit www.aaon.com.

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