Cabot Corporation to Announce Second Quarter 2010 Operating Results

April 20, 2010

BOSTON, April 20, 2010 /PRNewswire via COMTEX/ --Cabot Corporation (NYSE: CBT) announced today that it will release operating results for the second quarter fiscal 2010 on Wednesday, April 28, 2010 after the market closes. The Company will host a conference call and live webcast to review the second quarter results beginning at 2:00 pm (ET) on Thursday, April 29, 2010.

(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