Release Details

NEW YORK, Sept. 16, 2026 (GLOBE NEWSWIRE) -- Minerals Technologies Inc. (NYSE: MTX) (“MTI”), a leading, technology-driven specialty minerals company, is hosting its 2026 Investor Day on Tuesday, September 22, 2026, at the company’s research and development center in Bethlehem, Pennsylvania.

The event will begin at 1:00 p.m. ET and feature a live webcast through approximately 2:30 p.m. ET, followed by an in-person tour of MTI's research and development facilities. Investors may participate either in person or via webcast. Registration for the webcast is available through the 2026 Investor Day registration link.

MTI’s executive management, product line leaders, and R&D leaders will provide an in-depth review of the company’s approach to innovation as well as some of its newest growth initiatives and long-term value creation opportunities.

Attendees will hear from:

• Douglas T. Dietrich, Chairman and Chief Executive Officer
• Erik C. Aldag, Senior Vice President, Finance and Treasury, and Chief Financial Officer
• Brett Argirakis, Group President, Engineered Solutions
• D.J. Monagle, Group President, Consumer & Specialties
• Chad Trent, President, High-Temperature Technologies
• Jim Wright, President, Specialty Additives
• David Helmick, Global Director, R&D – High-Temperature Technologies
• Sharad Mathur, Director, New Product Development – Specialty Additives

The live webcast of the event, along with registration information and supporting materials, will be available on the Investors - Events & Presentations section of MTI’s website. A replay of the webcast will be available within 24 hours of the live event.

About Minerals Technologies Inc.
Minerals Technologies Inc. (NYSE:MTX) is a global, technology-driven specialty minerals company that sources, manufactures, sells, and distributes a wide range of minerals and mineral-based products and services. We utilize our global mineral reserves, combined with our core technologies and applications, to deliver innovative products that are an essential part of everyday life. We serve customers in consumer and industrial markets worldwide, have 4,000 employees in 34 countries, and reported global sales of $2.1 billion in 2025. For further information, visit www.mineralstech.com.

Investor Relations Contact
Lydia Kopylova
lydia.kopylova@mineralstech.com

Media Contact
Stephanie Heise
stephanie.heise@mineralstech.com