UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) September 8, 2005 Allegheny Technologies Incorporated ----------------------------------------------------------------- (Exact Name of Registrant as Specified in Its Charter) Delaware -------------------------------------------------------------------------------- (State or Other Jurisdiction of Incorporation 1-12001 25-1792394 ------------------------ -------------------------------- (Commission File Number) (IRS Employer Identification No.) 1000 PPG Place, Pittsburgh, Pennsylvania 15222-5479 ---------------------------------------- ---------- (Address of Principal Executive Offices) (Zip Code) (412) 394-2800 -------------------------------------------------------------------------------- (Registrant's Telephone Number, Including Area Code) N/A -------------------------------------------------------------------------------- (Former Name or Former Address, if Changed Since Last Report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below): [_] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [_] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [_] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [_] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 8.01. Other Events On September 8, 2005, Allegheny Technologies Incorporated announced an expansion of its nickel-based alloy and specialty alloy production capabilities. A copy of the press release is attached as Exhibit 99.1 to this Report on Form 8-K. Item 9.01. Financial Statements and Exhibits (c) Exhibits Exhibit 99.1 Press release dated September 8, 2005 SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ALLEGHENY TECHNOLOGIES INCORPORATED By: /s/ Jon D. Walton ------------------------------------------------- Jon D. Walton Executive Vice President, Human Resources, Chief Legal and Compliance Officer and Corporate Secretary Dated: September 8, 2005 EXHIBIT INDEX Exhibit 99.1 Press release dated September 8, 2005