NEW YORK, Oct. 26, 2020 (GLOBE NEWSWIRE) -- Minerals Technologies Inc. (NYSE: MTX) ("MTI" or "the Company") today announced that its Board of Directors has authorized a new, one-year $75 million share repurchase program, effective immediately. This program replaces the previous share repurchase program authorized by the Board of Directors that expired on October 23, 2020. Under the previous one-year program, MTI repurchased shares amounting to approximately $50 million.