TIMKEN CO — Director's Dealing 2012

May 2, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TIMKEN CO (TKR)
CIK: 0000098362
Period of Report: 2012-05-02

Reporting Person: Coughlin Christopher A (President-proc ind & supp chn)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-02	Common Stock	M	11000	$30.93	Acquired	35327	Direct
2012-05-02	Common Stock	F	2013	$55.66	Disposed	33314	Direct
2012-05-02	Common Stock	S	8987	$55.66	Disposed	24327	Direct
2012-05-02	Common Stock	M	11000	$29.23	Acquired	35327	Direct
2012-05-02	Common Stock	F	2125	$55.32	Disposed	33202	Direct
2012-05-02	Common Stock	S	8875	$55.32	Disposed	24327	Direct
2012-05-02	Common Stock	M	11000	$30.70	Acquired	35327	Direct
2012-05-02	Common Stock	F	2007	$55.47	Disposed	33320	Direct
2012-05-02	Common Stock	S	8993	$55.47	Disposed	24327	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-02	Employee Stock Option -Right to Buy	$30.93	M	11000	Disposed	2016-02-06	Common Stock (11000)	Direct
2012-05-02	Employee Stock Option - Right to Buy	$29.23	M	11000	Disposed	2017-02-05	Common Stock (11000)	Direct
2012-05-02	Employee Stock Option - Right to Buy	$30.70	M	11000	Disposed	2018-02-04	Common Stock (11000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	15985	Indirect

Footnotes

F1: 11,000 shares granted on 2/6/2006 previously reported on a Form 4- vested in 25% increments over 4 years.

F2: 11,000 shares granted on 2/5/2007 previously reported on a Form 4- vested in 25% increments over 4 years.

F3: 11,000 shares granted on 2/4/2008 previously reported on a Form 4- vested in 25% increments over 4 years.