 NEW YORK, April 19, 2021 GLOBE NEWSWIRE -- Minerals Technologies Inc. NYSE: MTX MTI or the Company announced today that it will release results for its first quarter ended April 4, 2021 on Thursday, May 6, 2021 after the market close. The Company will host a conference call on Friday, May 7, 2021 at 11:00 a.m. Eastern Time to discuss these results. 