Cabot Board Declares Dividend

May 20, 2011

BOSTON, May 20, 2011 (BUSINESS WIRE) -- On Friday, May 20, 2011, 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 10, 2011 to stockholders of record at the close of business on May 27, 2011.

About Cabot Corporation

Cabot is a global specialty chemicals and performance materials company headquartered in Boston, MA. The Company's major products are carbon black, fumed silica, inkjet colorants, capacitor materials, and cesium formate drilling fluids. Cabot operates 39 manufacturing facilities in 21 countries worldwide. The Company's website is: www.cabot-corp.com.

SOURCE: Cabot Corporation

Cabot Corporation
Susannah R. Robinson, 617-342-6129
Director, Investor Relations