18 May 2021

AAON, Inc., announced that its Board of Directors has declared the Company’s next regular semi-annual cash dividend of $0.19 per share (or $0.38 annually), payable on July 1, 2021 to stockholders of record as of the close of business on June 3, 2021. The Company also announced that its Board of Directors has promoted Christopher D. Eason to the position of Chief Accounting Officer, effective May 11, 2021.