Cabot Corporation to Webcast Annual Meeting of Stockholders

February 26, 2007

BOSTON, Feb. 26 /PRNewswire-FirstCall/ -- Cabot Corporation (NYSE: CBT) announced today that it will webcast its Annual Meeting of Stockholders beginning at 4:00p.m. (ET) on Thursday, March 8, 2007.

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

To listen to the live webcast over the internet, log onto the Company's website at: 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: Investor Relations
(617) 342-6129

SOURCE Cabot Corporation

CONTACT:
Cabot Corporation Investor Relations
1-617-342-6129