Cabot Board Declares Dividend

May 7, 2009

BOSTON, May 7 /PRNewswire-FirstCall/ -- On Thursday, May 7, 2009, the Board of Directors of Cabot Corporation (NYSE: CBT) declared a quarterly dividend of $0.18 per share on all outstanding shares of the Corporation's common stock. The dividend is payable on June 12, 2009 to stockholders of record at the close of business on May 29, 2009.

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About Cabot Corporation

Cabot Corporation is a global performance materials company and is headquartered in Boston, MA. Cabot's major products are carbon black, fumed silica, inkjet colorants, capacitor materials, and cesium formate drilling fluids.

SOURCE: Cabot Corporation

CONTACT: Susannah R. Robinson, Director, Investor Relations of Cabot Corporation,
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