CABOT CORP — Director's Dealing 2012

Mar 14, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CABOT CORP (CBT)
CIK: 0000016040
Period of Report: 2012-03-12

Reporting Person: BERUBE BRIAN A (Vice President,General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-03-12	Common Stock	S	10	$43.00	Disposed	39665	Direct
2012-03-13	Common Stock	S	5990	$43.00	Disposed	33675	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	11944.3086	Indirect

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 21, 2011.

F2: Reflects retirement plan contributions by the Corporation, including contributions that have occurred since the date of the reporting person's last ownership report.