CABOT CORP — Director's Dealing 2005

Jan 18, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CABOT CORP (CBT)
CIK: 0000016040
Period of Report: 2005-01-14

Reporting Person: CABOT JOHN G L (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-01-14	Common Stock	A	2000	—	Acquired	254104	Direct
2004-12-03	Common Stock	G	585	—	Acquired	4905	Indirect
2004-12-03	Common Stock	G	585	—	Acquired	2570	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1488304	Indirect
Common Stock	209254	Indirect
Common Stock	460000	Indirect

Footnotes

F1: Reporting person disclaims beneficial ownership of these shares.

F2: Grant of stock--transaction has no purchase price.

F3: Transfer of stock by gift.