CABOT CORP — Director's Dealing 2012

Jan 3, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CABOT CORP (CBT)
CIK: 0000016040
Period of Report: 2011-12-31

Reporting Person: MCCANCE HENRY F (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-12-31	Phantom Stock	$	A	692.2838	Acquired		Common Stock (692.2838)	Direct

Footnotes

F1: 1 for 1

F2: Immediately exercisable

F3: The shares of phantom stock become payable upon the reporting person's termination of service as a director.

F4: On November 11, 2011, Cabot's Board of Directors declared a dividend of $0.18 per share on Cabot common stock, payable on December 9, 2011 to all holders of record of common stock on November 25, 2011. Mr. McCance received a dividend on his phantom stock units totalling $2,426.84, which was immediately reinvested in phantom stock units at a price of $33.45 per share, the closing price on December 9, 2011. As a result, 72.5513 phantom stock units were allocated to Mr. McCance on December 9, 2011.