TIMKEN CO — Director's Dealing 2008

May 7, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TIMKEN CO (TKR)
CIK: 0000098362
Period of Report: 2008-05-07

Reporting Person: Mihaila John Theodore (Senior VP & Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-05-07	Common Stock	M	7500	$25.40	Acquired	15871	Direct
2008-05-07	Common Stock	S	7500	$36.56	Disposed	8371	Direct
2008-05-07	Common Stock	M	3000	$24.14	Acquired	11371	Direct
2008-05-07	Common Stock	S	3000	$36.56	Disposed	8371	Direct
2008-05-07	Common Stock	M	2250	$25.21	Acquired	10621	Direct
2008-05-07	Common Stock	S	2250	$36.54	Disposed	8371	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-05-07	Employee Stock Option (right to buy)	$25.40	M	7500	Disposed	2012-04-16	Common Stock (7500)	Direct
2008-05-07	Employee Stock Option (right to buy)	$24.14	M	3000	Disposed	2014-04-20	Common Stock (3000)	Direct
2008-05-07	Employee Stock Option (right to buy)	$25.21	M	2250	Disposed	2015-01-31	Common Stock (2250)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	19318	Indirect

Footnotes

F1: 7,500 shares granted on 4/16/2002 vested in 25% increments per year.

F2: 3,000 shares granted on 4/20/2004 vested in 25% increments per year.

F3: 3,000 shares granted on 1/31/2005 vest in 25% increments per year.