What is the nature of the phantom stock units granted to Robert L. Clark, and how do they differ from actual stock ownership?

The phantom stock units granted to Robert L. Clark are part of a deferred compensation plan and are economically equivalent to shares of Minerals Technologies Inc.'s common stock, but they do not represent actual share ownership or open-market stock purchases; instead, they will be settled in cash upon his termination of service as a director.

How many phantom stock units did Robert L. Clark receive in this grant, and what is his updated total holding?

Robert L. Clark received a grant of 1,908.146 phantom stock units, increasing his total phantom stock unit holdings to 33,650.389.

Minerals Technologies Director Receives Phantom Stock Units Grant

May 21, 2026

Minerals Technologies Inc. director Robert L. Clark received a grant of 1,908 phantom stock units under a deferred compensation plan. His total holdings increased to 33,650 units, payable in cash upon service termination.

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