X0206 3 2013-03-20 0 0000891014 MINERALS TECHNOLOGIES INC MTX 0001572385 WETHERBEE ROBERT S 622 THIRD AVENUE NEW YORK NY 10017 0 1 0 0 Chief Executive Officer Common Stock 0 D Employee Stock Option (Right to Buy) 42.415 2023-03-20 Common Stock 27100 D Deferred Restricted Stock Units ("DRSUs") Common Stock 14146 D The options vest in three equal annual installments beginning on March 20, 2014. DRSUs vest in the three equal annual installments beginnning on March 20, 2014. Vested shares will be delivered to the reporting person upon vesting. Each DRSU is the economic equivalent of one share of Minerals Technologies Inc. Common Stock. Thomas J. Meek for Robert S. Wetherbee 2013-03-21