AAON to Ring The NASDAQ Stock Market Opening Bell

TULSA, OK--(Marketwired - Sep 27, 2013) -  AAON, Inc. (NASDAQ: AAON), a global leader in the design, development, and manufacture of heating and cooling products, announces it will celebrate its 25^th anniversary as a public company by ringing the opening bell at The NASDAQ Stock Market.

"We are very proud of the success of AAON since becoming a public company 25 years ago," noted Norm Asbjornson, President and Chief Executive Officer. "Over our history, AAON has maintained a business plan focused on total owner value by offering an increasing breadth of customizable products, with attention to quality, energy efficiency, serviceability, life expectancy and environmental issues. As we look back over this important period in our history, our success could not have been achieved without the continued contributions of our employees and sales representatives who are committed to providing HVAC products of the highest quality and performance. We thank the employees and sales representatives for their contributions and for the role they will play in our future success."

The participation of AAON in the opening bell ceremony will be aired live on September 30, 2013 at 9:15AM (Eastern Time) at http://www.nasdaq.com/reference/marketsite_about.stm and on the NASDAQ MarketSite Tower at 43rd and Broadway in New York, NY.

About AAON

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, packaged mechanical rooms, air handling units, makeup air units, energy 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, please visit www.aaon.com.