The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M CO COM 88579Y101 12,637 76,614 SH   DFND 1 75,528 573 513
3M CO COM 88579Y101 297 1,801 SH   DFND   1,801 0 0
ABBOTT LABORATORIES COM 002824100 2,878 62,122 SH   DFND 1 58,770 1,242 2,110
ABBOTT LABORATORIES COM 002824100 182 3,936 SH   DFND   3,936 0 0
ABBVIE INC COM 00287Y109 1,161 19,819 SH   DFND 1 17,395 314 2,110
ABBVIE INC COM 00287Y109 43 742 SH   DFND   742 0 0
AECOM COM 00766T100 18,902 613,308 SH   DFND 1 609,381 0 3,927
AECOM COM 00766T100 158 5,141 SH   DFND   5,141 0 0
AGL RES INC COM 001204106 9,228 185,866 SH   DFND 1 183,512 1,188 1,166
AGL RES INC COM 001204106 292 5,872 SH   DFND   5,872 0 0
AGL RESOURCES INC COM 001204106 3,338 67,226 SH   DFND 1 67,226 0 0
ALLEGHENY VALLEY BANCORP PA COM 017427105 6,002 142,901 SH   DFND 1 142,901 0 0
AMERICAN EAGLE OUTFITTERS COM 02553E106 11,239 658,000 SH   DFND 1 654,721 0 3,279
AMERICAN EAGLE OUTFITTERS COM 02553E106 104 6,110 SH   DFND   6,110 0 0
AMERISERV FINL INC COM 03074A102 30 10,024 SH   DFND 1 24 0 10,000
AMERISOURCEBERGEN CORP COM 03073E105 11,572 101,804 SH   DFND 1 101,484 0 320
AMERISOURCEBERGEN CORP COM 03073E105 84 739 SH   DFND   739 0 0
AMTRUST FINL SVCS INC COM 032359309 23,340 409,580 SH   DFND 1 407,370 0 2,210
AMTRUST FINL SVCS INC COM 032359309 194 3,401 SH   DFND   3,401 0 0
ARTHUR J GALLAGHER & CO COM 363576109 465 9,943 SH   DFND 1 9,943 0 0
AT&T INC COM 00206R102 394 12,080 SH   DFND 1 10,580 0 1,500
AT&T INC COM 00206R102 210 6,432 SH   DFND   6,432 0 0
BERKSHIRE HATHAWAY INC DEL CLASS B 084670702 10,229 70,879 SH   DFND 1 70,606 0 273
BERKSHIRE HATHAWAY INC DEL CLASS B 084670702 99 684 SH   DFND   684 0 0
BOEING CO COM 097023105 45 300 SH   DFND 1 300 0 0
BOEING CO COM 097023105 456 3,036 SH   DFND   3,036 0 0
CB FINANCIAL SERVICES INC COM 12479G101 1,116 56,500 SH   DFND 1 56,500 0 0
CBT FINANCIAL CORP COM 12495U100 1,441 48,452 SH   DFND 1 48,452 0 0
CF INDS HLDGS INC COM 125269100 16,043 56,551 SH   DFND 1 56,253 0 298
CF INDS HLDGS INC COM 125269100 145 510 SH   DFND   510 0 0
CNB FINL CORP PA COM 126128107 175 10,300 SH   DFND 1 10,300 0 0
COACH INC COM 189754104 7,280 175,726 SH   DFND 1 173,649 1,304 773
COACH INC COM 189754104 186 4,489 SH   DFND   4,489 0 0
COLGATE PALMOLIVE CO COM 194162103 2,618 37,766 SH   DFND 1 36,264 953 549
COLGATE PALMOLIVE CO COM 194162103 247 3,565 SH   DFND   3,565 0 0
CUMMINS INC COM 231021106 10,970 79,126 SH   DFND 1 78,708 0 418
CUMMINS INC COM 231021106 110 797 SH   DFND   797 0 0
DEVON ENERGY CORP NEW COM 25179M103 6,221 103,155 SH   DFND 1 102,869 0 286
DEVON ENERGY CORP NEW COM 25179M103 52 867 SH   DFND   867 0 0
DISNEY WALT CO COM 254687106 185 1,767 SH   DFND 1 1,467 0 300
DISNEY WALT CO COM 254687106 31 300 SH   DFND   300 0 0
DOMINION RES INC VA NEW COM 25746U109 444 6,268 SH   DFND 1 1,268 5,000 0
DOMINION RES INC VA NEW COM 25746U109 72 1,016 SH   DFND   1,016 0 0
EMCOR GROUP INC COM 29084Q100 18,086 389,190 SH   DFND 1 387,049 0 2,141
EMCOR GROUP INC COM 29084Q100 157 3,387 SH   DFND   3,387 0 0
EXPRESS SCRIPTS HLDG CO COM 30219G108 9,526 109,790 SH   DFND 1 109,440 0 350
EXPRESS SCRIPTS HLDG CO COM 30219G108 79 913 SH   DFND   913 0 0
EXXON MOBIL CORP COM 30231G102 9,778 115,032 SH   DFND 1 112,666 1,041 1,325
EXXON MOBIL CORP COM 30231G102 1,008 11,858 SH   DFND   11,858 0 0
F M C CORP COM 302491303 9,128 159,437 SH   DFND 1 157,927 0 1,510
F M C CORP COM 302491303 115 2,006 SH   DFND   2,006 0 0
F5 NETWORKS INC COM 315616102 14,624 127,236 SH   DFND 1 126,522 0 714
F5 NETWORKS INC COM 315616102 114 991 SH   DFND   991 0 0
FEDERATED INVESTORS INC CLASS B 314211103 14,485 427,413 SH   DFND 1 422,979 2,293 2,141
FEDERATED INVESTORS INC CLASS B 314211103 260 7,684 SH   DFND   7,684 0 0
FIRST COMWLTH FINL CORP PA COM 319829107 143 15,869 SH   DFND 1 15,869 0 0
FIRST COMWLTH FINL CORP PA COM 319829107 143 15,876 SH   DFND   15,876 0 0
FLEXTRONICS INTL LTD COM Y2573F102 18,718 1,476,738 SH   DFND 1 1,468,100 0 8,638
FLEXTRONICS INTL LTD COM Y2573F102 141 11,123 SH   DFND   11,123 0 0
FMC CORP COM 302491303 3,668 64,071 SH   DFND 1 64,071 0 0
GALLAGHER ARTHUR J & CO COM 363576109 1,873 40,055 SH   DFND 1 38,851 1,014 190
GALLAGHER ARTHUR J & CO COM 363576109 137 2,934 SH   DFND   2,934 0 0
GAMESTOP CORP CLASS A 36467W109 19,322 509,033 SH   DFND 1 506,310 0 2,723
GAMESTOP CORP CLASS A 36467W109 194 5,119 SH   DFND   5,119 0 0
GENERAL ELECTRIC CO COM 369604103 9,667 389,643 SH   DFND 1 379,010 3,366 7,267
GENERAL ELECTRIC CO COM 369604103 287 11,572 SH   DFND   11,572 0 0
GENERAL MLS INC COM 370334104 151 2,660 SH   DFND 1 2,660 0 0
GENERAL MLS INC COM 370334104 57 1,000 SH   DFND   1,000 0 0
HOLLYFRONTIER CORP COM 436106108 6,749 167,599 SH   DFND 1 164,772 1,436 1,391
HOLLYFRONTIER CORP COM 436106108 182 4,510 SH   DFND   4,510 0 0
INTEL CORP COM 458140100 8,130 259,977 SH   DFND 1 255,550 2,008 2,419
INTEL CORP COM 458140100 348 11,120 SH   DFND   11,120 0 0
ISHARES TR CORE S&P500 ETF 464287200 501 2,413 SH   DFND 1 2,413 0 0
ISHARES TR CORE S&P500 ETF 464287200 1,747 8,406 SH   DFND   8,406 0 0
ISHARES TR CORE S&P SCP ETF 464287804 5,656 47,919 SH   DFND 1 47,420 449 50
ITRON INC COM 465741106 13,354 365,750 SH   DFND 1 363,969 0 1,781
ITRON INC COM 465741106 89 2,424 SH   DFND   2,424 0 0
J2 GLOBAL INC COM 48123V102 18,665 284,188 SH   DFND 1 282,522 0 1,666
J2 GLOBAL INC COM 48123V102 182 2,771 SH   DFND   2,771 0 0
JOHNSON & JOHNSON COM 478160104 2,703 26,872 SH   DFND 1 26,067 525 280
JOHNSON & JOHNSON COM 478160104 363 3,608 SH   DFND   3,608 0 0
JPMORGAN CHASE & CO COM 46625H100 1,338 22,090 SH   DFND 1 890 0 21,200
JPMORGAN CHASE & CO COM 46625H100 51 843 SH   DFND   843 0 0
KIMBERLY CLARK CORP COM 494368103 2,399 22,393 SH   DFND 1 21,561 562 270
KIMBERLY CLARK CORP COM 494368103 178 1,661 SH   DFND   1,661 0 0
KIRBY CORP COM 497266106 10,908 145,354 SH   DFND 1 144,371 0 983
KIRBY CORP COM 497266106 115 1,537 SH   DFND   1,537 0 0
LOWES COS INC COM 548661107 1,275 17,146 SH   DFND 1 14,025 3,121 0
MARS NATIONAL BANCORP INC COM 571697101 78 185 SH   DFND 1 185 0 0
MASIMO CORP COM 574795100 4,359 132,169 SH   DFND 1 130,948 0 1,221
MASIMO CORP COM 574795100 31 934 SH   DFND   934 0 0
MERCK & CO INC NEW COM 58933Y105 96 1,677 SH   DFND 1 1,677 0 0
MERCK & CO INC NEW COM 58933Y105 139 2,424 SH   DFND   2,424 0 0
MEREDITH CORP COM 589433101 14,718 263,909 SH   DFND 1 261,029 1,145 1,735
MEREDITH CORP COM 589433101 358 6,424 SH   DFND   6,424 0 0
MICROSOFT CORP COM 594918104 8,516 209,460 SH   DFND 1 204,990 1,989 2,481
MICROSOFT CORP COM 594918104 295 7,249 SH   DFND   7,249 0 0
MOSAIC CO NEW COM 61945C103 5,570 120,919 SH   DFND 1 120,526 0 393
MOSAIC CO NEW COM 61945C103 40 868 SH   DFND   868 0 0
MYRIAD GENETICS INC COM 62855J104 13,821 390,427 SH   DFND 1 388,398 0 2,029
MYRIAD GENETICS INC COM 62855J104 107 3,019 SH   DFND   3,019 0 0
NATIONAL FUEL GAS CO N J COM 636180101 679 11,250 SH   DFND 1 10,650 0 600
NATIONAL OILWELL VARCO INC COM 637071101 8,239 164,809 SH   DFND 1 164,007 0 802
NATIONAL OILWELL VARCO INC COM 637071101 202 4,036 SH   DFND   4,036 0 0
NEUSTAR INC CLASS A 64126X201 15,119 614,077 SH   DFND 1 610,208 0 3,869
NEUSTAR INC CLASS A 64126X201 114 4,621 SH   DFND   4,621 0 0
OCCIDENTAL PETROLEUM CORP COM 674599105 7,718 105,723 SH   DFND 1 104,364 842 517
OCCIDENTAL PETROLEUM CORP COM 674599105 203 2,775 SH   DFND   2,775 0 0
ONEOK INC COM 682680103 7,237 150,002 SH   DFND 1 147,105 1,351 1,546
ONEOK INC COM 682680103 236 4,884 SH   DFND   4,884 0 0
PAREXEL INTL CORP COM 699462107 10,539 152,756 SH   DFND 1 151,761 0 995
PAREXEL INTL CORP COM 699462107 92 1,332 SH   DFND   1,332 0 0
PEPSICO INC COM 713448108 11,235 117,495 SH   DFND 1 114,947 881 1,667
PEPSICO INC COM 713448108 298 3,120 SH   DFND   3,120 0 0
PNC FINL SVCS GROUP INC COM 693475105 79 850 SH   DFND 1 150 0 700
PNC FINL SVCS GROUP INC COM 693475105 240 2,571 SH   DFND   2,571 0 0
POLARIS INDS INC COM 731068102 16,930 119,983 SH   DFND 1 118,822 389 772
POLARIS INDS INC COM 731068102 190 1,348 SH   DFND   1,348 0 0
PPG INDS INC COM 693506107 449 1,989 SH   DFND 1 1,689 0 300
PPG INDS INC COM 693506107 90 400 SH   DFND   400 0 0
PROCTER & GAMBLE CO COM 742718109 8,462 103,269 SH   DFND 1 101,073 687 1,509
PROCTER & GAMBLE CO COM 742718109 320 3,910 SH   DFND   3,910 0 0
ROCHE HOLDINGS LTD SPONS ADR 771195104 597 17,358 SH   DFND 1 17,358 0 0
ROCKWELL AUTOMATION INC COM 773903109 65 558 SH   DFND 1 558 0 0
ROCKWELL AUTOMATION INC COM 773903109 273 2,350 SH   DFND   2,350 0 0
ROCKWELL COLLINS INC COM 774341101 36 373 SH   DFND 1 373 0 0
ROCKWELL COLLINS INC COM 774341101 179 1,850 SH   DFND   1,850 0 0
S & T BANCORP INC COM 783859101 36,682 1,292,548 SH   DFND 1 341,496 3,335 947,717
S & T BANCORP INC COM 783859101 7,865 277,118 SH   DFND   45,745 32,685 198,688
SKYWORKS SOLUTIONS INC COM 83088M102 27,021 274,915 SH   DFND 1 273,472 0 1,443
SKYWORKS SOLUTIONS INC COM 83088M102 229 2,330 SH   DFND   2,330 0 0
SMUCKER J M CO COM 832696405 2,764 23,884 SH   DFND 1 23,162 487 235
SMUCKER J M CO COM 832696405 218 1,885 SH   DFND   1,885 0 0
TECH DATA CORP COM 878237106 13,842 239,617 SH   DFND 1 238,351 0 1,266
TECH DATA CORP COM 878237106 104 1,802 SH   DFND   1,802 0 0
TERRA NITROGEN CO L P COM 881005201 12,926 88,706 SH   DFND 1 87,056 793 857
TERRA NITROGEN CO L P COM 881005201 357 2,452 SH   DFND   2,452 0 0
TETRA TECH INC COM 88162G103 3,091 128,655 SH   DFND 1 128,015 0 640
TETRA TECH INC COM 88162G103 43 1,789 SH   DFND   1,789 0 0
TRISTATE CAPITAL HLDGS INC COM 89678F100 26 2,500 SH   DFND 1 2,500 0 0
TRIUMPH GROUP INC COM 896818101 11,866 198,698 SH   DFND 1 197,478 0 1,220
TRIUMPH GROUP INC COM 896818101 88 1,472 SH   DFND   1,472 0 0
VARIAN MEDICAL SYSTEMS INC COM 92220P105 9,665 102,729 SH   DFND 1 102,236 0 493
VARIAN MEDICAL SYSTEMS INC COM 92220P105 74 784 SH   DFND   784 0 0
VERIZON COMMUNICATIONS INC COM 92343V104 3,954 81,301 SH   DFND 1 78,819 1,935 547
VERIZON COMMUNICATIONS INC COM 92343V104 406 8,352 SH   DFND   8,352 0 0
WELLS FARGO & CO COM 949746101 2,868 52,714 SH   DFND 1 50,860 1,474 380
WELLS FARGO & CO COM 949746101 114 2,099 SH   DFND   2,099 0 0
WESTERN DIGITAL CORP COM 958102105 16,605 182,442 SH   DFND 1 181,372 0 1,070
WESTERN DIGITAL CORP COM 958102105 305 3,350 SH   DFND   3,350 0 0
WHITING PETROLEUM CORP COM 966387102 10,856 351,346 SH   DFND 1 349,067 0 2,279
WHITING PETROLEUM CORP COM 966387102 91 2,930 SH   DFND   2,930 0 0
WVS FINANCIAL CORP COM 929358109 191 16,500 SH   DFND 1 16,500 0 0