Initial Statement of Beneficial Ownership of Securities

Luke A. Bomer, General Counsel and Secretary of AAON, INC., has filed an initial statement of beneficial ownership (Form 3). The filing details a stock option grant for 2,328 shares of Common Stock, exercisable from April 1, 2027, to April 1, 2036, with an exercise price of $83.65. This award vests ratably over three years from the grant date. Additionally, Mr. Bomer directly owns 750 shares of Common Stock. The filing indicates direct ownership of these securities.