AAON, INC. 10-Q

Item 5. Other Information. None . 47 48 PART IV Item 6. Exhibits and Financial Statement Schedules. Exhibits: (3) (A) Amended and Restated Articles of Incorporation (i) (B) Amended and Restated Bylaws (ii) (4.1) Amended and Restated Loan Agreement (dated November 24, 2021) and related documents (iii) (4.2) First Amendment to the Amended and Restated Loan Agreement (dated May 27, 2022) and related documents (iv) (4.3) Third Amendment to the Amended and Restated Loan Agreement (dated December 16, 2024) and related documents (v) (4. 4 ) Fourth Amendment to the Amended and Restated Loan Agreement (dated April 4, 2025) and related documents (4. 5 ) Fifth Amendment to the Amended and Restated Loan Agreement (dated May 29, 2025) and related documents (xii) (4. 6 ) Sixth Amendment to the Amended and Restated Loan Agreement (dated December 29, 2025) and related documents (xiii) (4.16) Description of Securities (10.1) AAON, Inc. 2007 Long-Term Incentive Plan, as amended (vi) (10.2) AAON, Inc. 2016 Long-Term Incentive Plan (vii) (10.3) AAON, Inc. 2024 Long-Term Incentive Plan (viii) ( 10.4 ) Executive Severance Plan (adopted July 30, 2024) (ix) (31.1) Certification of CEO (31.2) Certification of CFO (32.1) Section 1350 Certification – CEO (32.2) Section 1350 Certification – CFO (99.1) Membership Interest Purchase Agreement - Acquisition of BASX, LLC (dated November 18, 2021) (xi) (101) (INS) Inline XBRL Instance Document (101) (SCH) Inline XBRL Taxonomy Extension Schema (101) (CAL) Inline XBRL Taxonomy Extension Calculation Linkbase (101) (DEF) Inline XBRL Taxonomy Extension Definition Linkbase (101) (LAB) Inline XBRL Taxonomy Extension Label Linkbase (101) (PRE) Inline XBRL Taxonomy Extension Presentation Linkbase (104) Cover Page Interactive Data File (embedded within the Inline XBRL Document and included in Exhibit 101) (i) Incorporated herein by reference to the exhibit to our Form 10-Q dated June 30, 2024. (ii) Incorporated herein by reference to the exhibit to our Form 8-K dated March 9, 2023. (iii) Incorporated herein by reference to exhibit to our Form 8-K dated November 24, 2021. (iv) Incorporated herein by reference to the exhibits to our Form 8-K dated May 27, 2022. 49 (v) Incorporated herein by reference to the exhibits to our Form 8-K dated December 16, 2024. (vi) Incorporated herein by reference to our Form S-8 Registration Statement No. 333-151915 dated June 24, 2008 and our Form S-8 Registration Statement No. 333-207737 dated November 2, 2015. (vii) Incorporated herein by reference to our Form S-8 Registration Statement No. 333-212863 dated August 2, 2016, our Form S-8 Registration Statement No. 333-226512 dated August 2, 2018, and our Form S-8 Registration Statement No. 333-241538 dated August 6, 2020. (viii) Incorporated herein by reference to our Form S-8 Registration Statement No. 333-279594 dated May 21, 2024 and our Form S-8 POS Registration Statement No. 333-241538 dated June 25, 2024. (ix) Incorporated herein by reference to the exhibit to our Form 8-K dated July 30, 2024. (x) Incorporated herein by reference to exhibits to our Annual Report on Form 10-K for the fiscal year ended December 31, 2023. (xi) Incorporated herein by reference to exhibits to our Annual Report on Form 10-K for the fiscal year ended December 31, 2021. (xii) Incorporated herein by reference to the exhibits to our Form 8-K dated May 29, 2025. (xiii) Incorporated herein by reference to the exhibits to our Form 8-K dated December 29, 2025. 50 SIGNATURES Pursuant to the requirement of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. AAON, INC. Dated: August 10, 2026 By: /s/ Matthew J. Tobolski Matthew J. Tobolski Chief Executive Officer Dated: August 10, 2026 By: /s/ Andy Cheung Chung Kin Cheung (“Andy Cheung”) Chief Financial Officer 51