WASHINGTON, D.C. 20549

                                    Form 13F

                               Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: December 31, 2009

Check here if Amendment [_]: Amendment Number:

This Amendment (Check only one): [_] is a restatement

                 [_] adds new holdings entries

Institutional Investment Manager Filing this Report:

Name:      First Commonwealth Bank
Address:   22 North Sixth St
           Indiana, PA, 15701

Form 13F File Number: 28-11893

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and it is understood that all required items, statements, schedules,
lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:    Teresa M. Ciambotti
Title:   Senior Vice President and Controller, Principal Financial Officer
Phone:   (724) 463-4725

Signature, Place, and Date of Signing:

/s/ Teresa M. Ciambotti
Teresa M. Ciambotti,      Indiana, PA,        February 16, 2010

Report Type (check only one):

     [_]  13F HOLDINGS REPORT (Check here if all holdings of this reporting
          manager are reported in this report

     [x]  13F NOTICE (Check here if no holdings reported are in this report and
          all holdings are reported by other reporting manager(s))

     [_]  13F COMBINATION REPORT (Check here if a portion of the holdings for
          this reporting manager are reported in this report and a portion are
          reported by other reporting manager(s).)

List of Other Managers Reporting for this Manager:

Form 13F File Number   Name
--------------------   ----
28-05151               First Commonwealth Financial Corporation

First Commonwealth Bank, a wholly-owned subsidiary of First Commonwealth
Financial Corporation, a bank holding company, incorporated under the laws of
Pennsylvania, and First Commonwealth Financial Corporation exercise investment
discretion with respect to the same 13 F securities Pursuant to the General
Instruction 2 of Form 13F, this filing indicates that First Commonwealth
Financial Corporation is reporting on behalf of First Commonwealth Bank on First
Commonwealth Financial Corporation's Form 13 F for the quarter ended December
31, 2009