UNITED STATES SECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549****FORM 8-KCURRENT REPORTPursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):** December 11, 2003  ****          FirstCommonwealth FinancialCorporation            **(Exact name ofregistrant as specified in its charter)

| **   Pennsylvania   ** |   | **    0-11242    ** |   | **     25-1428528      ** |
|------------------------------------------------------|--------|-------------------------------------------------------------|--------|----------------------------------------------------------------------------------|
| (State or  other jurisdiction  of incorporation)     |   | (Commission  File Number)                                   |   | (IRS Employer  Identification Number)                                            |

 

|                                                                                                                                        |   |                                                                  |
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| **        22  N. Sixth Street, Indiana,  PA         ** |   | **     15701     ** |
| (Address of  Principal Executive Offices)                                                                                                   |   | (Zip Code)                                                            |

 

Registrant's telephonenumber, including area code:   **(724) 349-7220**   

Item 5. OTHER EVENTSOn December 11, 2003,the registrant entered into a definitive agreement to acquire GA Financial,Inc. ("GAF") a savings and loan holding company headquartered nearPittsburgh, in Whitehall, Pennsylvania. GA Financial, Inc. is the parent company of Great American Federal withtotal assets of $883 million, deposits of $545 million and equity of nearly $95million at September 30, 2003.  GreatAmerican Federal is a federally chartered savings and loan association headquarteredin Whitehall, Pennsylvania, which conducts business from twelve offices inAllegheny County.  GA Financial, Inc.shares are traded on the American Stock Exchange under the symbol"GAF".Under terms of the agreement, the shareholders of GA Financial, Inc. can electto receive $35.00 in cash or an equivalent value of the registrant's commonstock for each GAF share owned, subject to proration as provided in thedefinitive agreement to ensure that 40% of the aggregate merger considerationwill be paid in cash and 60% in First Commonwealth common stock.  The transaction is subject to all requiredregulatory approvals and the approval of GAF shareholders.  The definitive agreement was unanimouslyapproved by the Boards of Directors of both organizations.  The transaction has a current market valueof $183.2 million and is expected to be completed on or before June 30,2004.  On a pro-forma basis, as of September 30, 2003, the registrant would haveassets of approximately $6.1 billion and total equity of $531 million.Item 7(c) EXHIBITSExhibit 2 Plan of Acquisition

Pursuant to the requirements of theSecurities Exchange Act of 1934, the registrant has duly caused this report tobe signed on its behalf by the undersigned, thereunto duly authorized.Dated:  December 16, 2003                             FIRSTCOMMONWEALTH FINANCIAL                             CORPORATION                             By:  /S/JOHN J.DOLAN                                                 JohnJ. Dolan                                   ExecutiveVice President and                                    ChiefFinancial Officer