CABOT CORP — Director's Dealing 2004

Sep 16, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CABOT CORP (CBT)
CIK: 0000016040
Period of Report: 2004-09-16

Reporting Person: CABOT JOHN G L (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-09-16	Common Stock	S	10000	$37.262	Disposed	1488304	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	252104	Direct
Common Stock	209254	Indirect
Common Stock	4320	Indirect
Common Stock	1985	Indirect
Common Stock	460000	Indirect

Footnotes

F1: Reporting person disclaims beneficial ownership of these shares.