TIMKEN CO — Director's Dealing 2013

May 14, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TIMKEN CO (TKR)
CIK: 0000098362
Period of Report: 2013-05-10

Reporting Person: Mihaila John Theodore (Sr VP and Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-10	Common Stock	M	2500	$22.67	Acquired	10882	Direct
2013-05-10	Common Stock	F	489	$56.94	Disposed	10393	Direct
2013-05-10	Common Stock	S	2011	$56.94	Disposed	8382	Direct
2013-05-10	Common Stock	M	2425	$14.74	Acquired	10807	Direct
2013-05-10	Common Stock	F	585	$56.94	Disposed	10222	Direct
2013-05-10	Common Stock	S	1840	$56.94	Disposed	8382	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-10	Employee Stock Option (right to buy)	$22.67	M	2500	Disposed	2020-02-08	Common Stock (2500)	Direct
2013-05-10	Employee Stock Option (right to buy)	$14.74	M	2425	Disposed	2019-02-02	Common Stock (2425)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	12747	Indirect

Footnotes

F1: 10,000 shares granted on 2/8/2010 (previously reported on a Form 4) vest in 25% increments per year.

F2: 9,700 shares granted on 2/3/2009 (previously reported on a Form 4) vested in 25% increments per year.