FORM10-Q For the quarterly period endedMarch31, 2025 INGEVITY CORPORATION Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d)of the Securities Exchange Act of 1934 during thepreceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2)has been subject to such filing requirements for the past 90 Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of Regulation S-T(§232.405 of this chapter) during the preceding 12 months (or for such shorter period that registrant was required to submit such files).Yes xNo o Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerginggrowth company.See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and "emerging growth company" in Rule12b-2 of theExchangeAct. If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correctionof an error to previously issued financial statements.o If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revisedfinancial accounting standards provided pursuant to Section 13(a) of the Exchange Act.o Ingevity CorporationINDEX PART I - FINANCIAL INFORMATION PART I - FINANCIAL INFORMATION INGEVITY CORPORATION In millions INGEVITY CORPORATION Condensed Consolidated Statements of Cash Flows (Unaudited) Supplemental cash flow information: INGEVITY CORPORATIONNotes to the Condensed Consolidated Financial StatementsMarch31, 2025 Note 1:Background Description of Business Ingevity Corporation ("Ingevity," "the company," "we," "us," or "our") provides products and technologies that purify,protect, and enhance the world around us. Through a diverse team of talented and experienced people, we develop, manufacture, andbring to market solutions that are largely renewably sourced and help customers solve complex problems while making the worldmore sustainable. Our products are used in a variety of demanding applications, including adhesives, agrochemicals, asphalt paving,bioplastics, coatings, elastomers, lubricants, paint for road markings, oil drilling, and automotive components. We operate inthreereportable segments: Performance Materials, Performance Chemicals, and Advanced Polymer Technologies. Basis of Consolidation and Presentation These unaudited Condensed Consolidated Financial Statements reflect the consolidated operations of the company and havebeen prepared in accordance with United States Securities and Exchange Commission ("SEC") interim reporting requirements.Accordingly, the accompanying Condensed Consolidated Financial Statements do not include all disclosures required by accountingprinciples generally accepted in the United States of America ("GAAP") for full financial statements and should be read in conjunction In the opinion of management, the Condensed Consolidated Financial Statements contain all adjustments which include onlynormal recurring adjustments necessary to fairly present the financial position, results of operations, and cash flows for the interim Thepreparation of the Condensed Consolidated Financial Statements requires management to make estimates andassumptions with respect to the reported amounts of assets, liabilities, revenue, and expenses and the disclosure of contingent assets Certain prior year amounts have been reclassified to conform with the current year's presentation. Note 2:New Accounting Guidance The Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC" or "Codification") is thesole source of authoritative GAAP other than SEC issued rules and regulations that apply only to SEC registrants. The FASB issues anAccounting Standards Update ("ASU") to communicate changes to the Codification. We consider the applicability and impact of all Recently Issued Accounting Pronouncements In December 2023, the FASB issued ASU 2023-09, “Improvements to Income Tax Disclosures,” which is intended toenhance income tax disclosures around the rate reconciliation and income taxes paid. The purpose of the amendment is to providereaders of the financial statements with information to better assess the differences between the effective tax rate and the statutory taxrate across multiple jurisdictions, enabling them to understand tax implications around operational opportunities and potential future In November 2024, the FASB issued ASU 2024-03, “Disaggregation of Income Statement Expenses,” which is intended toenhance disclosures regarding significant