Company: NGVT
Filing Date: 2025-03-10
Form Type: DEFA14A
Source: 0001140361-25-007877
Chunk: 3

Company: Ingevity Corp
Filing Date: 2025-03-10
Form: DEFA14A
Chunk 3
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 with the SEC in connection with any solicitation by Ingevity. BEFORE MAKING ANY VOTING DECISION, INVESTORS AND STOCKHOLDERS ARE URGED TO READ THE PROXY STATEMENT (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) FILED BY INGEVITY AND ALL OTHER RELEVANT DOCUMENTS FILED WITH THE SEC CAREFULLY AND IN THEIR ENTIRETY BECAUSE THEY CONTAIN IMPORTANT INFORMATION. These documents, including the Proxy Statement (and any amendments or supplements thereto) and other documents filed by Ingevity with the SEC, are available free of charge at the SEC’s website at http://www.sec.gov and at Ingevity’s investor relations website at http://ir.ingevity.com. Participants in the Solicitation Ingevity, its directors and certain of its executive officers and other employees may be deemed to be participants in the solicitation of proxies from Ingevity stockholders in connection with the matters to be considered at the 2025 Annual Meeting. Information regarding such participants and their respective interests in Ingevity by security holdings or otherwise is set forth in the section entitled “Appendix C: Supplemental Information Regarding Participants in the Solicitation” in the Proxy Statement, which was filed with the SEC on March 10, 2025, and will be included in Ingevity’s definitive proxy statement, once available. Additional information regarding the interests of these participants in the solicitation of proxies in respect of the 2025 Annual Meeting and other relevant materials will be filed with the SEC when they become available. These documents are or will be available free of charge at the SEC’s website at www.sec.gov. Contacts Media: Caroline Monahan 843-740-2068 media@ingevity.com Kara Brickman / Greg Klassen Joele Frank, Wilkinson Brimmer Katcher 212-355-4449 Investors: John E. Nypaver, Jr. 843-740-2002 investors@ingevity.com

David H. Li PRESIDENT & CEO | EFFECTIVE APRIL 7, 2025 Accomplished Leader with +25-Year Track Record of Driving Value-Maximizing Transformation in Specialty Materials Industry Delivered Strong Results, Execution and Innovation as President & CE of CMC Materials Over the course of my career, success has been fueled by building highperforming teams and reshaping portfolios to solve customers’ greatest challenges. I look forward to leveraging my experience to unlock the value