Minerals Technologies Inc. agreed to acquire U.S. clay-products maker Amcol International Corp. for $1.49 billion, ending a monthlong bidding war with France’s Imerys SA.

Minerals Technologies will pay $45.75 a share, the New York-based company and Amcol said today in a joint statement. The deal is expected to close in the first half. Hoffman Estates, Illinois-based Amcol said it paid a $39 million termination fee to Imerys, which on Feb. 12 had agreed to acquire the company for $41 a share.

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