ATI INC — Director's Dealing 2011

May 13, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ALLEGHENY TECHNOLOGIES INC (ATI)
CIK: 0001018963
Period of Report: 2011-05-11

Reporting Person: THOMAS LOUIS J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-11	Common Stock, $0.10 par value	M	1000	$24.38	Acquired	11359.8695	Direct
2011-05-11	Common Stock, $0.10 par value	S	290	$68.32	Disposed	11069.8695	Direct
2011-05-11	Common Stock, $0.10 par value	S	100	$68.31	Disposed	10969.8695	Direct
2011-05-11	Common Stock, $0.10 par value	S	610	$68.3015	Disposed	10359.8695	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-11	Non-Employee Director Stock Option, right to buy	$24.38	M	1000	Disposed	2015-04-22	Common Stock, $0.10 par value (1000)	Direct

Footnotes

F1: The option vested on April 22, 2006.