Cabot Corporation to Announce Third Quarter 2008 Operating Results

July 8, 2008

BOSTON, July 8 /PRNewswire-FirstCall/ -- Cabot Corporation (NYSE: CBT) announced today that it will release operating results for the third quarter of fiscal 2008 on Wednesday, July 23, 2008 after the market closes. The Company will host a conference call and live webcast to review the third quarter results beginning at 2:00 pm (ET) on Thursday, July 24, 2008.

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

The call is being webcast by Thomson/CCBN and may be accessed at Cabot's web site at http://investor.cabot-corp.com. The webcast is also being distributed through the Thomson StreetEvents Network. Institutional investors may access the call via Thomson StreetEvents (http://www.streetevents.com), a password-protected event management site.

If you are unable to participate during the live webcast, the call and accompanying slide presentation will be archived on the Company's website at http://investor.cabot-corp.com.

About Cabot Corporation

Cabot Corporation is a global performance materials company 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 Robinson, Director, Investor Relations
Cabot Corporation, +1-617-342-6129
Web site: http://www.cabot-corp.com
http://investor.cabot-corp.com
http://www.streetevents.com