CABOT CORP — Director's Dealing 2014

May 13, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CABOT CORP (CBT)
CIK: 0000016040
Period of Report: 2014-05-12

Reporting Person: Miller David A (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-05-12	Common Stock	S	3494	$58.61	Disposed	32102	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	4646.8911	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 August 12, 2013.

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