TIMKEN CO — Director's Dealing 2012

May 7, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TIMKEN CO (TKR)
CIK: 0000098362
Period of Report: 2012-05-04

Reporting Person: Kyle Richard G (President-mob ind & aerospace)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-04	Common Stock	M	8000	$30.70	Acquired	27142	Direct
2012-05-04	Common Stock	S	5963	$54.19	Disposed	21179	Direct
2012-05-04	Common Stock	M	9000	$14.74	Acquired	30179	Direct
2012-05-04	Common Stock	S	5143	$54.23	Disposed	25036	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-04	Employee Stock Option (right to buy)	$30.70	M	8000	Disposed	2018-02-04	Common Stock (8000)	Direct
2012-05-04	Employee Stock Option (right to buy)	$14.74	M	9000	Disposed	2019-02-02	Common Stock (9000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2437	Indirect

Footnotes

F1: 12,000 shares granted on 2/4/2008 previously reported on a Form 4 vest in 25% increments per year.

F2: 16,000 shares granted on 2/2/2009 previously reported on a Form 4 vest in 25% increments per year.