Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  DUNLAP TERRY L
 2. Date of Event Requiring Statement (Month/Day/Year)
05/02/2007		 3. Issuer Name and Ticker or Trading Symbol
ALLEGHENY TECHNOLOGIES INC [ATI]
(Last)
(First)
(Middle)
1000 SIX PPG PLACE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, Allegheny Ludlum
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

PITTSBURGH, PA 15222		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock, $0.10 par value 34,214.3647
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock option (right to buy)   (1) 02/11/2008 Common Stock, $0.10 par value 3,779 $ 45.66 I By Spouse (2)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
DUNLAP TERRY L
1000 SIX PPG PLACE
PITTSBURGH, PA 15222		       President, Allegheny Ludlum  

Signatures

/s/ Terry L. Dunlap 05/11/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Stock options vested in equal installments over three years; all 3,779 stock options were fully vested as of February 11, 2001.
(2) The reporting person disclaims beneficial ownership of the shares held directly or indirectly by his spouse, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for the purpose of Section 16 of the Securities Exchange Act of 1934 or for any other purpose.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.