UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: June 30, 2010 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 Financial Corporation Address: 22 North Sixth Street Indiana, PA, 15701 Form 13F File Number:28-05151 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 Phone: (724) 463-4725 Signature,Place, and Date of Signing: /s/ Teresa M. Ciambotti Teresa M. Ciambotti, Indiana, PA, August 13, 2010 Report Type(check only one) : [x] 13F HOLDINGS REPORT (Check here if all holdings of this reporting manager are reported in this report [_] 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).) Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 Form 13F Information Table Entry Total: 177 Form 13F Information Table Value Total: $71,487 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. Number: 1 Form 13F File Number: 28-11893 Name: FORM 13F INFORMATION TABLE COLUMN 1 COL 2 COL 3 COL 4 COLUMN 5 COL 6 COL 7 COLUMN 8 TITLE MARKET VOTING OF VALUE SHS OR SH/ PUT/ INVESTMENT OTHER AUTHORITY ISSUER CLASS CUSIP (X$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE 3M CO COMMON 88579Y101 254 3,220 SH DEFINED 1 2,170 1,050 3M CO COMMON 88579Y101 635 8,035 SH OTHER 1 8,035 ABBOTT LABS COMMON 002824100 811 17,347 SH DEFINED 1 15,651 1,696 ABBOTT LABS COMMON 002824101 53 1,138 SH OTHER 1 1,138 ADOBE SYS INC COMMON 00724F101 395 14,943 SH DEFINED 1 14,943 ADOBE SYS INC COMMON 00724F101 16 601 SH OTHER 1 601 AIR PRODS & CHEMS INC COMMON 009158106 456 7,036 SH DEFINED 1 7,036 AIR PRODS & CHEMS INC COMMON 009158107 32 497 SH OTHER 1 497 ALLSTATE CORP COMMON 020002101 73 2,534 SH DEFINED 1 2,534 ALLSTATE CORP COMMON 020002102 188 6,529 SH OTHER 1 6,529 ALTRIA GROUP INC COMMON 02209S103 121 6,041 SH DEFINED 1 5,938 103 ALTRIA GROUP INC COMMON 02209S103 554 27,640 SH OTHER 1 27,640 APACHE CORP COMMON 037411105 585 6,943 SH DEFINED 1 6,943 APACHE CORP COMMON 037411106 91 1,079 SH OTHER 1 535 544 APPLE INC COMMON 037833100 1,149 4,568 SH DEFINED 1 4,547 21 APPLE INC COMMON 037833101 44 175 SH OTHER 1 175 AT&T INC COMMON 00206R102 1,219 50,405 SH DEFINED 1 47,863 2,542 AT&T INC COMMON 00206R102 204 8,424 SH OTHER 1 8,119 300 5 AUTODESK INC COMMON 52769106 270 11,087 SH DEFINED 1 11,087 AUTODESK INC COMMON 52769106 17 701 SH OTHER 1 701 BANK OF AMERICA CORPORATION COMMON 60505104 192 13,358 SH DEFINED 1 6,752 6,606 BANK OF AMERICA CORPORATION COMMON 60505104 58 4,033 SH OTHER 1 4,033 BANK OF NEW YORK MELLON COR COMMON 64058100 288 11,666 SH DEFINED 1 9,066 2,600 BANK OF NEW YORK MELLON COR COMMON 64058100 87 3,537 SH OTHER 1 1,372 490 1,675 BECTON DICKINSON & CO COMMON 75887109 617 9,131 SH DEFINED 1 8,843 288 BECTON DICKINSON & CO COMMON 75887109 66 969 SH OTHER 1 969 BERKSHIRE SECURITIES COMMON 84991868 1,159 5,600 SH DEFINED 1 5,600 BERKSHIRE SECURITIES COMMON 84991868 373 1,800 SH OTHER 1 1,800 BOEING CO COMMON 97023105 352 5,606 SH DEFINED 1 5,606 BOEING CO COMMON 97023105 71 1,136 SH OTHER 1 1,136 BP PLC COMMON 55622104 216 7,485 SH DEFINED 1 7,485 BP PLC COMMON 55622104 172 5,963 SH OTHER 1 5,963 CATERPILLAR INC DEL COMMON 149123101 676 11,253 SH DEFINED 1 11,253 CATERPILLAR INC DEL COMMON 149123101 63 1,050 SH OTHER 1 1,050 CHEVRON CORP NEW COMMON 166764100 1,004 14,798 SH DEFINED 1 12,477 2,321 CHEVRON CORP NEW COMMON 166764100 294 4,327 SH OTHER 1 3,977 350 CISCO SYS INC COMMON 17275R102 888 41,678 SH DEFINED 1 36,915 4,763 CISCO SYS INC COMMON 17275R102 88 4,134 SH OTHER 1 3,984 150 CITIGROUP INC COMMON 172967101 140 37,106 SH DEFINED 1 37,106 CITIGROUP INC COMMON 172967101 4 1,064 SH OTHER 1 950 114 CNB FINL CORP PA COMMON 126128107 315 28,700 SH DEFINED 1 28,700 COCA COLA CO COMMON 191216100 455 9,083 SH DEFINED 1 8,834 200 49 COCA COLA CO COMMON 191216100 48 956 SH OTHER 1 956 CONOCOPHILLIPS COMMON 20825C104 575 11,722 SH DEFINED 1 9,624 2,098 CONOCOPHILLIPS COMMON 20825C104 22 449 SH OTHER 1 369 80 CUMMINS INC COMMON 231021106 252 3,867 SH DEFINED 1 3,867 CUMMINS INC COMMON 231021106 7 100 SH OTHER 1 100 CVS CAREMARK CORPORATION COMMON 126650100 504 17,197 SH DEFINED 1 17,197 CVS CAREMARK CORPORATION COMMON 126650100 32 1,087 SH OTHER 1 1,087 DISNEY WALT CO COMMON 254687106 279 8,843 SH DEFINED 1 5,864 2,979 DISNEY WALT CO COMMON 254687106 25 800 SH OTHER 1 800 DOMINION RES INC VA NEW COMMON 25746U109 642 16,573 SH DEFINED 1 15,921 652 DOMINION RES INC VA NEW COMMON 25746U109 131 3,386 SH OTHER 1 3,386 DU PONT E I DE NEMOURS & CO COMMON 263534109 227 6,560 SH DEFINED 1 6,560 DU PONT E I DE NEMOURS & CO COMMON 263534109 36 1,042 SH OTHER 1 742 300 EMBRYO DEV CORP COMMON 290818103 - 15,000 SH DEFINED 1 15,000 EMERSON ELEC CO COMMON 291011104 48 1,090 SH DEFINED 1 40 1,050 EMERSON ELEC CO COMMON 291011104 704 16,110 SH OTHER 1 16,110 ENTERPRISE PRODS PARTNERS L COMMON 293792107 244 6,894 SH DEFINED 1 6,894 EXXON MOBIL CORP COMMON 30231G102 2,328 40,791 SH DEFINED 1 40,791 EXXON MOBIL CORP COMMON 30231G102 1,405 24,620 SH OTHER 1 7,683 16,937 FEDEX CORP COMMON 31428X106 320 4,563 SH DEFINED 1 4,563 FEDEX CORP COMMON 31428X106 20 283 SH OTHER 1 283 FIRST COMWLTH FINL CORP PA COMMON 319829107 3,968 755,732 SH DEFINED 1 752,266 3,466 FIRST COMWLTH FINL CORP PA COMMON 319829107 72 13,763 SH OTHER 1 5,676 8,087 FREEPORT-MCMORAN COPPER & G COMMON 35671D857 233 3,939 SH DEFINED 1 3,939 FREEPORT-MCMORAN COPPER & G COMMON 35671D857 1 24 SH OTHER 1 24 GATEWAY BANK OF PENNSYLVANIA COMMON 869099101 40 5,000 SH DEFINED 5,000 -- -- GENERAL ELECTRIC CO COMMON 369604103 961 66,614 SH DEFINED 1 61,804 4,810 GENERAL ELECTRIC CO COMMON 369604103 1,537 106,561 SH OTHER 1 104,591 1,630 340 GENERAL MLS INC COMMON 370334104 734 20,661 SH DEFINED 1 20,661 GENERAL MLS INC COMMON 370334104 47 1,310 SH OTHER 1 1,310 GENUINE PARTS CO COMMON 372460105 646 16,369 SH DEFINED 1 16,369 GENUINE PARTS CO COMMON 372460105 18 445 SH OTHER 1 445 GOLDMAN SACHS GROUP INC COMMON 38141G104 419 3,195 SH DEFINED 1 3,195 GOLDMAN SACHS GROUP INC COMMON 38141G104 36 273 SH OTHER 1 273 GOOGLE INC COMMON 38259P508 661 1,485 SH DEFINED 1 1,285 200 GOOGLE INC COMMON 38259P508 12 27 SH OTHER 1 27 HEINZ H J CO COMMON 423074103 438 10,131 SH DEFINED 1 10,047 84 COLUMN 1 COL 2 COL 3 COL 4 COLUMN 5 COL 6 COL 7 COLUMN 8 TITLE MARKET VOTING OF VALUE SHS OR SH/ PUT/ INVESTMENT OTHER AUTHORITY ISSUER CLASS CUSIP (X$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE HEINZ H J CO COMMON 423074103 36 838 SH OTHER 1 838 HELMERICH & PAYNE INC COMMON 423452101 286 7,844 SH DEFINED 1 7,844 HELMERICH & PAYNE INC COMMON 423452101 18 496 SH OTHER 1 496 HUMANA INC COMMON 444859102 211 4,627 SH DEFINED 1 4,548 79 HUMANA INC COMMON 444859102 3 60 SH OTHER 1 60 INGERSOLL-RAND PLC COMMON G47791101 207 6,000 SH OTHER 1 6,000 INTEL CORP COMMON 458140100 538 27,682 SH DEFINED 1 22,052 5,630 INTEL CORP COMMON 458140100 105 5,412 SH OTHER 1 5,262 150 INTERNATIONAL BUSINESS MACH COMMON 459200101 1,517 12,286 SH DEFINED 1 12,054 232 INTERNATIONAL BUSINESS MACH COMMON 459200101 1,644 13,310 SH OTHER 1 13,210 100 JACOBS ENGR GROUP INC DEL COMMON 469814107 466 12,782 SH DEFINED 1 12,782 JACOBS ENGR GROUP INC DEL COMMON 469814107 23 643 SH OTHER 1 643 JOHNSON & JOHNSON COMMON 478160104 1,052 17,815 SH DEFINED 1 17,311 504 JOHNSON & JOHNSON COMMON 478160104 442 7,481 SH OTHER 1 7,411 70 JPMORGAN CHASE & CO COMMON 46625H100 827 22,581 SH DEFINED 1 20,701 1,880 JPMORGAN CHASE & CO COMMON 46625H100 60 1,638 SH OTHER 1 1,638 KRAFT FOODS INC COMMON 50075N104 40 1,423 SH DEFINED 1 1,307 116 KRAFT FOODS INC COMMON 50075N104 535 19,108 SH OTHER 1 19,108 LOWES COS INC COMMON 548661107 192 9,397 SH DEFINED 1 9,397 LOWES COS INC COMMON 548661107 36 1,743 SH OTHER 1 933 810 MCDONALDS CORP COMMON 580135101 977 14,838 SH DEFINED 1 14,443 395 MCDONALDS CORP COMMON 580135101 69 1,053 SH OTHER 1 1,053 MERCK & CO INC NEW COMMON 58933Y105 79 2,260 SH DEFINED 1 2,260 MERCK & CO INC NEW COMMON 58933Y105 798 22,810 SH OTHER 1 22,310 500 METLIFE INC COMMON 59156R108 403 10,677 SH DEFINED 1 10,677 METLIFE INC COMMON 59156R108 7 188 SH OTHER 1 188 MICROSOFT CORP COMMON 594918104 985 42,809 SH DEFINED 1 37,222 5,587 MICROSOFT CORP COMMON 594918104 49 2,140 SH OTHER 1 1,950 190 MONSANTO CO NEW COMMON 61166W101 307 6,636 SH DEFINED 1 5,906 730 MONSANTO CO NEW COMMON 61166W101 12 259 SH OTHER 1 259 NEW MEXICO BANQUEST COMMON 647991926 1,859 7,207 SH DEFINED 1 7,207 NEW MEXICO BANQUEST COMMON 647991926 59 229 SH OTHER 1 229 ORACLE CORP COMMON 68389X105 733 34,164 SH DEFINED 1 34,164 ORACLE CORP COMMON 68389X105 72 3,349 SH OTHER 1 3,189 160 PARKER HANNIFIN CORP COMMON 701094104 477 8,609 SH DEFINED 1 8,609 PARKER HANNIFIN CORP COMMON 701094104 36 646 SH OTHER 1 646 PARKVALE FINANCIAL CORP COMMON 701492100 932 111,263 SH DEFINED 111,263 -- -- PEPSICO INC COMMON 713448108 797 13,076 SH DEFINED 1 12,651 425 PEPSICO INC COMMON 713448108 937 15,372 SH OTHER 1 15,372 PETSMART INC COMMON 716768106 711 23,556 SH DEFINED 1 21,216 2,340 PETSMART INC COMMON 716768106 26 862 SH OTHER 1 862 PFIZER INC COMMON 717081103 221 15,486 SH DEFINED 1 15,486 PFIZER INC COMMON 717081103 174 12,221 SH OTHER 1 12,021 200 PHILIP MORRIS INTL INC COMMON 718172109 891 19,435 SH DEFINED 1 17,695 1,740 PHILIP MORRIS INTL INC COMMON 718172109 1,090 23,773 SH OTHER 1 23,773 PNC FINL SVCS GROUP INC COMMON 693475105 351 6,207 SH DEFINED 1 6,207 PNC FINL SVCS GROUP INC COMMON 693475105 102 1,800 SH OTHER 1 1,800 PPG INDS INC COMMON 693506107 175 2,904 SH DEFINED 1 2,904 PPG INDS INC COMMON 693506107 1,066 17,654 SH OTHER 1 15,154 2,500 PRECISION CASTPARTS CORP COMMON 740189105 519 5,039 SH DEFINED 1 5,039 PRECISION CASTPARTS CORP COMMON 740189105 31 300 SH OTHER 1 300 PRICE T ROWE GROUP INC COMMON 74144T108 599 13,500 SH DEFINED 1 13,061 439 PRICE T ROWE GROUP INC COMMON 74144T108 65 1,473 SH OTHER 1 1,473 PROCTER & GAMBLE CO COMMON 742718109 1,067 17,790 SH DEFINED 1 17,288 502 PROCTER & GAMBLE CO COMMON 742718109 2,161 36,023 SH OTHER 1 36,023 PRUDENTIAL FINL INC COMMON 744320102 207 3,859 SH DEFINED 1 3,859 PRUDENTIAL FINL INC COMMON 744320102 13 251 SH OTHER 1 251 PUBLIC SVC ENTERPRISE GROUP COMMON 744573106 105 3,357 SH DEFINED 1 287 3,070 PUBLIC SVC ENTERPRISE GROUP COMMON 744573106 265 8,460 SH OTHER 1 8,460 QUALCOMM INC COMMON 747525103 306 9,305 SH DEFINED 1 9,305 QUALCOMM INC COMMON 747525103 9 277 SH OTHER 1 277 ROCKWELL AUTOMATION INC COMMON 773903109 216 4,397 SH DEFINED 1 4,397 ROCKWELL AUTOMATION INC COMMON 773903109 67 1,370 SH OTHER 1 1,370 ROCKWELL COLLINS INC COMMON 774341101 206 3,869 SH DEFINED 1 3,869 ROCKWELL COLLINS INC COMMON 774341101 84 1,580 SH OTHER 1 1,580 S & T BANCORP INC COMMON 783859101 841 42,544 SH DEFINED 1 42,544 S & T BANCORP INC COMMON 783859101 29 1,464 SH OTHER 1 1,464 STATE STR CORP COMMON 857477103 386 11,408 SH DEFINED 1 11,408 STATE STR CORP COMMON 857477103 17 504 SH OTHER 1 394 110 TARGET CORP COMMON 87612E106 752 15,303 SH DEFINED 1 15,303 TARGET CORP COMMON 87612E107 75 1,516 SH OTHER 1 1,516 TEVA PHARMACEUTICAL INDS LT COMMON 881624209 734 14,118 SH DEFINED 1 14,067 51 TEVA PHARMACEUTICAL INDS LT COMMON 881624209 37 714 SH OTHER 1 514 200 TEXAS INSTRS INC COMMON 882508104 399 17,119 SH DEFINED 1 14,819 2,300 TEXAS INSTRS INC COMMON 882508104 36 1,567 SH OTHER 1 1,567 THERMO FISHER SCIENTIFIC IN COMMON 883556102 604 12,312 SH DEFINED 1 12,312 THERMO FISHER SCIENTIFIC IN COMMON 883556102 30 608 SH OTHER 1 608 TIME WARNER CABLE INC COMMON 88732J207 655 12,586 SH DEFINED 1 12,586 TIME WARNER CABLE INC COMMON 88732J207 24 465 SH OTHER 1 465 TRANSOCEAN LTD COMMON H8817H100 207 4,474 SH DEFINED 1 3,266 1,208 TRANSOCEAN LTD COMMON H8817H100 14 295 SH OTHER 1 295 TRISTATE CAPITAL BANK COMMON 99R733108 400 50,000 SH DEFINED 50,000 -- -- US BANCORP DEL COMMON 902973304 266 11,898 SH DEFINED 1 11,898 US BANCORP DEL COMMON 902973304 16 733 SH OTHER 1 733 VERIZON COMMUNICATIONS INC COMMON 92343V104 1,094 39,057 SH DEFINED 1 38,938 119 VERIZON COMMUNICATIONS INC COMMON 92343V104 592 21,144 SH OTHER 1 17,300 3,844 VISA INC COMMON 92826C839 438 6,189 SH DEFINED 1 6,189 VISA INC COMMON 92826C839 18 257 SH OTHER 1 257 COLUMN 1 COL 2 COL 3 COL 4 COLUMN 5 COL 6 COL 7 COLUMN 8 TITLE MARKET VOTING OF VALUE SHS OR SH/ PUT/ INVESTMENT OTHER AUTHORITY ISSUER CLASS CUSIP (X$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE VIST FINANCIAL CORP COMMON 524477106 261 34,066 SH DEFINED 34,066 -- -- VIST FINANCIAL CORP COMMON 918255100 82 10,655 SH DEFINED 1 10,655 WAL MART STORES INC COMMON 931142103 630 13,106 SH DEFINED 1 11,050 2,056 WAL MART STORES INC COMMON 931142103 34 704 SH OTHER 1 704 WELLS FARGO & CO NEW COMMON 949746101 644 25,161 SH DEFINED 1 25,161 WELLS FARGO & CO NEW COMMON 949746101 102 3,995 SH OTHER 1 3,995 XCEL ENERGY INC COMMON 98389B100 532 25,816 SH DEFINED 1 25,816 XCEL ENERGY INC COMMON 98389B100 37 1,817 SH OTHER 1 1,817 ZIMMER HLDGS INC COMMON 98956P102 506 9,366 SH DEFINED 1 8,276 1,090 ZIMMER HLDGS INC COMMON 98956P102 25 470 SH OTHER 1 300 100 70 GRAND TOTALS 71,487 2,686,812