Cabot Board Declares Dividend

July 14, 2006

BOSTON, July 14 /PRNewswire-FirstCall/ -- On Friday, July 14, 2006, the Board of Directors of Cabot Corporation (NYSE: CBT) declared a quarterly dividend of $0.16 per share on all outstanding shares of the Corporation's common stock. The dividend is payable September 8, 2006 to stockholders of record at the close of business on August 25, 2006.

About Cabot Corporation

Cabot Corporation is a global specialty chemicals and 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.

Contact:
Susannah R. Robinson
Director, Investor Relations
(617) 342-6129

SOURCE Cabot Corporation