MINERALS TECHNOLOGIES INC

This proxy statement (“Proxy Statement”) contains information related to the annual meeting of shareholders (“Annual Meeting”) of the Company, to be held at 9:00 a.m., Eastern Time, on Wednesday, May 15, 2024, virtually, at www.virtualshareholdermeeting.com/MTX2024.

It is anticipated that this Proxy Statement, the accompanying Proxy and the Company’s 2023 Annual Report will first be available to shareholders on or about April 4, 2024 on the website www.proxyvote.com and, if requested, a paper copy of this Proxy Statement, the accompanying Proxy and the Company’s 2023 Annual Report will be mailed to the Company’s shareholders. A Notice of Internet Availability of Proxy Materials (the “Notice”) containing instructions on how to access this Proxy Statement, Proxy and the Company’s 2023 Annual Report and vote through the Internet, or by telephone, will be mailed to our shareholders on the same date as this Proxy Statement, the accompanying Proxy and the Company’s 2023 Annual Report is first available to shareholders.