Atmus Filtration Technologies Inc. 10-Q

Item 5. Other Information (c) 10b5-1 Trading Arrangements During the first quarter of 2026 , none of our directors or executive officers adopted or terminated any “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement” (as each term is defined in item 408(a) of Regulation S-K). 31 Table of Contents Item 6. Exhibits The following exhibits are either filed herewith or, if so indicated, incorporated by reference to the documents indicated in parentheses, which have previously been filed or furnished with the Securities and Exchange Commission. Exhibit No. Description 10.1 Amended and Restated Credit Agreement, dated as of January 7, 2026, among Atmus Filtration Technologies Inc., Atmus Filtration Inc., certain subsidiary guarantors party thereto, Bank of American, N.A., as administrative agent and lender, and the other lenders party thereto (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K of Atmus Filtration Technologies Inc. filed with the Commission on January 7, 2026). 19 I nsider Trading Policy (filed herewith) . 31.1 Certification of the Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 31.2 Certification of the Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 32.1 Certifications of the Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 101.INS* Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL 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 with the Inline XBRL Document). * Filed with this Quarterly Report on Form 10-Q are the following materials formatted in iXBRL (Inline Extensible Business Reporting Language): (i) the Condensed Consolidated Statements of Net Income for the three months ended March 31, 2026 and 2025, (ii) the Condensed Consolidated Statements of Comprehensive Income for the three months ended March 31, 2026 and 2025, (iii) the Condensed Consolidated Balance Sheets at March 31, 2026 and December 31, 2025, (iv) the Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2026 and 2025, (v) the Condensed Consolidated Statements of Changes in Equity for the three months ended March 31, 2026 and 2025, and (vi) Notes to Condensed Consolidated Financial Statements. 32 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. Atmus Filtration Technologies Inc. By: /s/ STEPHANIE J. DISHER By: /s/ JACK M. KIENZLER Stephanie J. Disher Jack M. Kienzler Chief Executive Officer and President Senior Vice President, Chief Financial Officer and (Principal Executive Officer) Chief Accounting Officer May 1, 2026 (Principal Financial Officer) May 1, 2026 33