PARK OHIO HOLDINGS CORP 10-Q

Item 5. Other Information During the quarter ended June 30, 2023, no director or officer (as defined in Rule 16a-1(f) promulgated under the Exchange Act) of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (as each term is defined in Item 408 of Regulation S-K). 37 Table of Contents Item 6. Exhibits The following exhibits are included herein: 10.1 Park-Ohio Holdings Corp. 2021 Equity and Incentive Compensation Plan (Amended and Restated Effective May 17, 2023) (incorporated by reference to exhibit 4.3 to the Company’s Registration Statement on Form S-8 filed on May 23, 2023, Registration No. 333-225915) and incorporated by reference and made a part hereof) 31.1 Principal Executive Officer’s Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 31.2 Principal Financial Officer’s Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 32 Certification requirement under Section 906 of the Sarbanes-Oxley Act of 2002 101.INS Inline XBRL Instance Document 101.SCH Inline XBRL Taxonomy Extension Schema Document 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 38 Table of Contents SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. PARK-OHIO HOLDINGS CORP. (Registrant) By: /s/ Patrick W. Fogarty Name: Patrick W. Fogarty Title: Vice President and Chief Financial Officer (Principal Financial and Accounting Officer) Date: August 3, 2023 39