Cabot Corporation to Webcast Annual Meeting of Stockholders

February 27, 2006

BOSTON, Feb. 27 /PRNewswire-FirstCall/ -- Cabot Corporation (NYSE: CBT) announced today that it will webcast its Annual Meeting of Stockholders at 4:00 p.m. (ET) on Thursday, March 9, 2006.

(Logo: http://www.newscom.com/cgi-bin/prnh/20000323/CABOTLOGO )

To listen to the live webcast over the Internet, log onto http://investor.cabot-corp.com.

The webcast will also be archived on the Company's website at http://investor.cabot-corp.com.

About Cabot Corporation

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

Contact: Susannah Robinson
Director, Investor Relations
(617) 342-6244

SOURCE Cabot Corporation