CABOT CORP — Director's Dealing 2012

Nov 13, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CABOT CORP (CBT)
CIK: 0000016040
Period of Report: 2012-11-09

Reporting Person: Miller David A (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-09	Common Stock	A	6808	$0.00	Acquired	28386	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-09	Employee Stock Option (Right to Buy)	$35.25	A	22635	Acquired	2022-11-08	Common Stock (22635)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3610.6855	Indirect

Footnotes

F1: Reflects retirement plan contributions by the Corporation, including contributions that have occurred since the date of the reporting person's last ownership report.

F2: The option vests over a three year period as follows: 30% on November 9, 2013, 30% on November 9, 2014 and 40% on November 9, 2015.