content: <!-- CoverPageHeader start -->
  <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN">
  <HTML>
  <HEAD>
  <TITLE> Cabot Corporation (Form: 8-K) </TITLE>
  </HEAD>
  <BODY TEXT="#000000" BGCOLOR="#FFFFFF" ALINK="#0000FF" HLINK="#FF0000" VLINK="#800080">
  <A NAME="DOCUMENT_TOP">&nbsp;</A>
  <P>
  <!-- CoverPageHeader end --><!-- CoverPageTitle START -->
  <A NAME="DOCUMENT_TOP">&nbsp;</A>
  <HR NOSHADE>
  <P>
  <P ALIGN="CENTER">
  <FONT SIZE="4">
  		UNITED STATES<BR>
  	SECURITIES AND EXCHANGE COMMISSION
  </FONT>
  <BR>
  <FONT SIZE="2">
  	WASHINGTON, D.C. 20549
  </FONT>
  <P ALIGN="CENTER">
  <FONT SIZE="5">
  	FORM 8-K
  </FONT>
  <FONT SIZE="2">
  
  </FONT>
  </P>
  <P ALIGN="CENTER">
  <FONT SIZE="3">
  	CURRENT REPORT
  </FONT>
  </P>
  <P ALIGN="CENTER">
  <FONT SIZE="2">
  	Pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934
  </FONT>
  </P>
  <CENTER>
  <TABLE CELLSPACING="0" BORDER="0" CELLPADDING="0" WIDTH="100%">
  <TR VALIGN="BOTTOM">
  <TD WIDTH="51%">
  	&nbsp;
  </TD>
  <TD WIDTH="5%">
  	&nbsp;
  </TD>
  <TD WIDTH="44%">
  	&nbsp;
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	Date of Report (Date of Earliest Event Reported):
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	March 8, 2007
  </FONT>
  </TD>
  </TR>
  </TABLE>
  <BR>
  </CENTER>
  <!-- CoverPageTitle END --><!-- CoverPageRegistrant START -->
  <P ALIGN="CENTER"><!-- -->
  <FONT SIZE="6">
  	Cabot Corporation
  </FONT>
  <FONT SIZE="2">
  <BR>__________________________________________<BR>
  	(Exact name of registrant as specified in its charter)
  </FONT>
  <CENTER>
  <TABLE CELLSPACING="0" BORDER="0" CELLPADDING="0" WIDTH="100%">
  <TR VALIGN="BOTTOM">
  <TD WIDTH="33%">
  	&nbsp;
  </TD>
  <TD WIDTH="34%">
  	&nbsp;
  </TD>
  <TD WIDTH="33%">
  	&nbsp;
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	Delaware
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	1-5667
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	04-2271897
  </FONT>
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  _____________________<BR>
  	(State or other jurisdiction
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  _____________<BR>
  	(Commission
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  ______________<BR>
  	(I.R.S. Employer
  </FONT>
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	of incorporation)
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	File Number)
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	Identification No.)
  </FONT>
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	Two Seaport Lane, Suite 1300, Boston, Massachusetts
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	02210-2019
  </FONT>
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  _________________________________<BR>
  	(Address of principal executive offices)
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  ___________<BR>
  	(Zip Code)
  </FONT>
  </TD>
  </TR>
  </TABLE>
  </CENTER>
  <CENTER>
  <TABLE CELLSPACING="0" BORDER="0" CELLPADDING="0" WIDTH="100%">
  
  <TR VALIGN="BOTTOM">
  <TD WIDTH="51%">
  	&nbsp;
  </TD>
  <TD WIDTH="5%">
  	&nbsp;
  </TD>
  <TD WIDTH="44%">
  	&nbsp;
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	Registrant&#146;s telephone number, including area code:
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="CENTER" VALIGN="TOP">
  <FONT SIZE="2">
  	617-345-0100
  </FONT>
  </TD>
  </TR>
  </TABLE>
  </CENTER>
  <P ALIGN="CENTER">
  <FONT SIZE="2">
  	Not Applicable
  <BR>______________________________________________<BR>
  	Former name or former address, if changed since last report
  </FONT>
  <P ALIGN="CENTER">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  <!-- CoverPageRegistrant END --><P><FONT SIZE="2">
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:</FONT>
  </P>
  <P><FONT SIZE="2">
  [&nbsp;&nbsp;]&nbsp;&nbsp;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<br>
  [&nbsp;&nbsp;]&nbsp;&nbsp;Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<br>
  </P></FONT><!-- PageBreak START -->
  <P>
  <HR NOSHADE>
  <DIV ALIGN="LEFT" STYLE="PAGE-BREAK-BEFORE:ALWAYS">
  <A HREF="#DOCUMENT_TOP">
  <U>
  <B>
  <FONT SIZE="2">Top of the Form</FONT>
  </B>
  </U>
  </A>
  </DIV>
  <!-- PageBreak END --><!-- Item START -->
  <P ALIGN="LEFT">
  <FONT SIZE="2">
  <B>
  	Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
  </B>
  </FONT>
  </P>
  <P ALIGN="LEFT">
  <FONT SIZE="2">
  (b)  Mr. John H. McArthur resigned from Cabot&#x2019;s Board of Directors on March 8, 2007, the date of Cabot&#x2019;s 2007 Annual Meeting of Stockholders.  Mr. McArthur, who turned 72 in 2006, submitted his resignation in accordance with Cabot&#x2019;s retirement policy for non-employee directors, which requires each such director to submit his or her resignation to the Chairman of the Board prior to, and effective at, the Annual Meeting of Stockholders next following the calendar year of such director&#x2019;s seventy-second birthday.<br><br>(e)  On March 8, 2007, Cabot&#x2019;s stockholders approved the adoption of the Cabot Corporation Short-Term Incentive Compensation Plan (the "Plan").  Under the Plan, executive officers designated by the Compensation Committee of the Board of Directors may receive annual cash incentive compensation determined by pre-established performance goals.  The Plan was adopted to ensure the tax deductibility of the annual bonus that may be earned by the five most highly paid executive officers.  Under the Plan, the Compensation Committee will, no later than the ninetieth (90th) day of each fiscal year, (i) select officers eligible to participate in the Plan for that year ("Participants"); (ii) determine the Performance Goals (as defined in the Plan) that must be achieved in order for awards to paid under the Plan; and (iii) determine the total amount which may be available for payout to Participants based on the relative level of attainment of the Performance Goals.   Following the close of each fiscal year, the Compensation Committee will determine whether the Performance Goals were achieved and, based on the level of achievement, the total amount available for payout to each Participant.   In its sole discretion, the Compensation Committee may reduce the size, including to zero, of the actual payment to be made to any Participant.  The maximum payment to any Participant under the Plan for any year will in no event exceed $5,000,000.<br><br>	<br><br><br><br> <br><br><br><br><br><br>
  </FONT>
  </P>
  <!-- Item END -->
  <BR><BR><BR><BR><P ALIGN="LEFT" STYLE="FONT-SIZE: 10PT"></P><!-- PageBreak START -->
  <P>
  <HR NOSHADE>
  <DIV ALIGN="LEFT" STYLE="PAGE-BREAK-BEFORE:ALWAYS">
  <A HREF="#DOCUMENT_TOP">
  <U>
  <B>
  <FONT SIZE="2">Top of the Form</FONT>
  </B>
  </U>
  </A>
  </DIV>
  <!-- PageBreak END --><!-- SignatureHeader START -->
  <P ALIGN="CENTER">
  <FONT SIZE="2">
  <B>
  	SIGNATURES
  </B>
  </FONT>
  </P>
  <P ALIGN="LEFT">
  <FONT SIZE="2">
  	Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
  </FONT>
  </P>
  <!-- SignatureHeader END --><!-- Signature START -->
  <CENTER>
  <TABLE CELLSPACING="0" BORDER="0" CELLPADDING="0" WIDTH="100%">
  <TR VALIGN="BOTTOM">
  <TD WIDTH="19%">
  	&nbsp;
  </TD>
  <TD WIDTH="34%">
  	&nbsp;
  </TD>
  <TD WIDTH="3%">
  	&nbsp;
  </TD>
  <TD WIDTH="1%">
  	&nbsp;
  </TD>
  <TD WIDTH="43%">
  	&nbsp;
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD COLSPAN="3" VALIGN="TOP" ALIGN="LEFT">
  <FONT SIZE="2">
  	Cabot Corporation
  </FONT>
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;&nbsp;
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="LEFT" VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="LEFT" VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD VALIGN="TOP">
  <FONT SIZE="2">
  <I>
  	March 12, 2007
  </I>
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="LEFT" VALIGN="TOP">
  <FONT SIZE="2">
  <I>
  	By:
  </I>
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="LEFT" VALIGN="TOP">
  <FONT SIZE="2">
  <I>
  	Brian A. Berube
  </I>
  <BR>
  </FONT>
  </TD>
  </TR>
  <TR>
  <TD VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="LEFT" VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="LEFT" VALIGN="TOP">
  <HR SIZE="1" NOSHADE>
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="LEFT" VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="LEFT" VALIGN="TOP">
  <FONT SIZE="2">
  <I>
  	Name: Brian A. Berube
  </I>
  </FONT>
  </TD>
  </TR>
  <TR VALIGN="BOTTOM">
  <TD VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="LEFT" VALIGN="TOP">
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD>
  <FONT SIZE="2">
  	&nbsp;
  </FONT>
  </TD>
  <TD ALIGN="LEFT" VALIGN="TOP">
  <FONT SIZE="2">
  <I>
  	Title: Vice President and General Counsel
  </I>
  </FONT>
  </TD>
  </TR>
  </TABLE>
  </CENTER>
  <!-- Signature END --><!-- HTMLFooter START -->
  </BODY>
  </HTML>
  <!-- HTMLFooter END -->
metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "htm_18845.htm", "description": "LIVE FILING", "secsgml_size_bytes": 10373}]
metadata_filer: {"company-data": {"conformed-name": "CABOT CORP", "cik": "0000016040", "assigned-sic": "2890", "irs-number": "042271897", "state-of-incorporation": "DE", "fiscal-year-end": "0930"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-05667", "film-number": "07687799"}, "business-address": {"street1": "TWO SEAPORT LANE SUITE 1300", "city": "BOSTON", "state": "MA", "zip": "02109-1806", "phone": "6173450100"}, "mail-address": {"street1": "TWO SEAPORT LANE SUITE 1300", "city": "BOSTON", "state": "MA", "zip": "82109"}, "former-company": {"former-conformed-name": "CABOT GODFREY L INC", "date-changed": "19680418"}}
text: Cabot Corporation (Form: 8-K)
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, D.C. 20549
  FORM 8-K
  CURRENT REPORT
  Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
  Date of Report (Date of Earliest Event Reported):
  March 8, 2007
  Cabot Corporation
  __________________________________________
  (Exact name of registrant as specified in its charter)
  Delaware
  1-5667
  04-2271897
  _____________________
  (State or other jurisdiction
  _____________
  (Commission
  ______________
  (I.R.S. Employer
  of incorporation)
  File Number)
  Identification No.)
  Two Seaport Lane, Suite 1300, Boston, Massachusetts
  02210-2019
  _________________________________
  (Address of principal executive offices)
  ___________
  (Zip Code)
  Registrant's telephone number, including area code:
  617-345-0100
  Not Applicable
  ______________________________________________
  Former name or former address, if changed since last report
  Check the appropriate box below if the Form 8-K filing is intended to
  simultaneously satisfy the filing obligation of the registrant under any
  of the following provisions:
  [  ]  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
  [  ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
  [  ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
  [  ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
  Top of the Form
  Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
  (b)  Mr. John H. McArthur resigned from Cabot's Board of Directors on March 8, 2007, the date of Cabot's 2007 Annual Meeting of Stockholders.  Mr. McArthur, who turned 72 in 2006, submitted his resignation in accordance with Cabot's retirement policy for non-employee directors, which requires each such director to submit his or her resignation to the Chairman of the Board prior to, and effective at, the Annual Meeting of Stockholders next following the calendar year of such director's seventy-second birthday.
  (e)  On March 8, 2007, Cabot's stockholders approved the adoption of the Cabot Corporation Short-Term Incentive Compensation Plan (the "Plan").  Under the Plan, executive officers designated by the Compensation Committee of the Board of Directors may receive annual cash incentive compensation determined by pre-established performance goals.  The Plan was adopted to ensure the tax deductibility of the annual bonus that may be earned by the five most highly paid executive officers.  Under the Plan, the Compensation Committee will, no later than the ninetieth (90th) day of each fiscal year, (i) select officers eligible to participate in the Plan for that year ("Participants"); (ii) determine the Performance Goals (as defined in the Plan) that must be achieved in order for awards to paid under the Plan; and (iii) determine the total amount which may be available for payout to Participants based on the relative level of attainment of the Performance Goals.   Following the close of each fiscal year, the Compensation Committee will determine whether the Performance Goals were achieved and, based on the level of achievement, the total amount available for payout to each Participant.   In its sole discretion, the Compensation Committee may reduce the size, including to zero, of the actual payment to be made to any Participant.  The maximum payment to any Participant under the Plan for any year will in no event exceed $5,000,000.
  Top of the Form
  SIGNATURES
  Pursuant to the requirements of the Securities Exchange Act of 1934, the
  	registrant has duly caused this report to be signed on its behalf by the
  	undersigned hereunto duly authorized.
  Cabot Corporation
  March 12, 2007
  By:
  Brian A. Berube
  Name: Brian A. Berube
  Title: Vice President and General Counsel