NEW YORK, June 29, 2026 (GLOBE NEWSWIRE) -- Minerals Technologies Inc. (NYSE: MTX) ('MTI”), a leading, technology-driven specialty minerals company, today announced that, together with certain of its affiliates (the 'Non-Debtor Affiliates”), it has filed a Plan of Reorganization (the 'Parent Plan”) in the Chapter 11 cases of its subsidiaries BMI OldCo Inc. (formerly Barretts Minerals Inc.) and its affiliated debtors (collectively, the 'Debtors”) pending before the U.S. Bankruptcy Court for the Southern District of Texas.