Cabot Corporation to Announce Second Quarter 2009 Operating Results

April 17, 2009

BOSTON, April 17 /PRNewswire-FirstCall/ -- Cabot Corporation (NYSE: CBT) announced today that it will release operating results for the second quarter of fiscal 2009 on Wednesday, April 29, 2009 after the market closes. The Company will host a conference call and live webcast to review the first quarter results beginning at 2:00 pm (ET) on Thursday, April 30, 2009.

(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

    -0-                           04/17/2009
    /CONTACT:  Susannah Robinson, Director, Investor Relations of Cabot
Corporation, +1-617-342-6129/
    /Photo:  http://www.newscom.com/cgi-bin/prnh/20000323/CABOTLOGO
             AP Archive: http://photoarchive.ap.org
             PRN Photo Desk photodesk@prnewswire.com/
    /Web Site:  http://www.cabot-corp.com /
    (CBT)

CO:  Cabot Corporation

ST:  Massachusetts
IN:  CHM ENV MIN MNG
SU:  CCA

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