Companies incorporated in PENNSYLVANIA, United States

LORD ABBETT & CO
STERLING CAPITAL INVESTMENT GROUP INC
PENNSYLVANIA PHYSICIAN HEALTHCARE PLAN INC
INFOACTIV INC
AETNA INC /PA/
RED BELL BREWING CO
WEDGEWOOD INVESTORS INC /PA/
FIRST NATIONAL BANK OF CHESTER COUNTY
KEYSTONE FINANCIAL MID ATLANTIC FUNDING CORP
WAYPOINT FINANCIAL CORP
DONAHUE J CHRISTOPHER
BIG BOULDER CORP/PA
CLARION CRA SECURITIES
VERIZON PENNSYLVANIA INC
AETNA U S HEALTHCARE INC
PHILADELPHIA INVESTMENT MANAGEMENT CO/
OMI TRUST 2000 A
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
LOGAN CAPITAL MANAGEMENT INC
STEEL PARTNERS II L P
BICO INC/PA
LIBERTY PROPERTY LIMITED PARTNERSHIP
STERLING MEDIA CAPITAL GROUP INC
FULTON FINANCIAL ADVISORS N A
SERVICEWARE TECHNOLOGIES INC/ PA
CAMERON BAIRD FOUNDATION
FRANKLIN ELECTRONIC PUBLISHERS INC
VAN KAMPEN PENNSYLVANIA QUALITY MUNICIPAL TRUST
PEGASUS VARIABLE FUNDS
CARESCIENCE INC
LIFE INSURANCE CO OF NORTH AMERICA
PP&L GLOBAL INC
JLG INDUSTRIES INC
ENVIRONMENTAL TECTONICS CORP
BERWYN FUNDS
MUHLENKAMP & CO INC
CRA REAL ESTATE SECURITIES LP/PA
NUTRITION MANAGEMENT SERVICES CO/PA
KILLEN GROUP INC
JLK DIRECT DISTRIBUTION INC
GENDELL JEFFREY L ET AL
TOTAL CONTAINMENT INC
BRYN MAWR INTERNATIONAL INC
WILLOW GROVE BANCORP INC
II-VI INC
FIDELITY BANCORP INC
DELAWARE GROUP CASH RESERVE INC
INNOVATIVE SOLUTIONS & SUPPORT INC
ADDISON CAPITAL MANAGEMENT LLC
PIONEER AMERICAN HOLDING CO CORP
RRZ INVESTMENT MANAGEMENT INC /NEW
MALAYSIA FUND INC
PECO ENERGY POWER CO
PARAGON TECHNOLOGIES INC
TODAYS MAN INC
DEB SHOPS INC
JETRONIC INDUSTRIES INC
PROVIDENT MUTUAL VARIABLE LIFE SEPARATE ACCOUNT
SIGHTSOUND COM INC
R & B INC
STAAR INVESTMENT TRUST
BETHLEHEM CORP
ECAL CORP
HANOVER FOODS CORP /PA/
PENNSYLVANIA ELECTRIC CO
DONAHUE JOHN F
COLLEGIATE PACIFIC INC
VINEYARD OIL & GAS CO
MOYCO TECHNOLOGIES INC
PITTSBURGH FINANCIAL CORP
RENT WAY INC
PHILADELPHIA TRUST CO
USA TECHNOLOGIES INC
UNITED BANCSHARES INC /PA
SERVICEWARE COM INC
COMMONWEALTH INCOME & GROWTH FUND II
COMMONWEALTH INCOME & GROWTH FUND I
SLIPPERY ROCK FINANCIAL CORP
FIRST COLONIAL GROUP INC
J BIRD MUSIC GROUP LTD
INFONAUTICS INC
NSD BANCORP INC
PENN TREATY AMERICAN CORP
CITIZENS & NORTHERN CORP
YORK FINANCIAL CORP
GRANGE NATIONAL BANC CORP
COMMUNITY INDEPENDENT BANK INC
QNB CORP
DAMSON BIRTCHER REALTY INCOME FUND I
SUN BANCORP INC
BERGER HOLDINGS LTD
FOSTER L B CO
VANGUARD TRUSTEES EQUITY FUND
UNIVEST CORP OF PENNSYLVANIA
SI HANDLING SYSTEMS INC
PUBLICARD INC
BELL ATLANTIC PENNSYLVANIA INC
IREX CORP
PRIMESOURCE CORP
CODORUS VALLEY BANCORP INC
TANGRAM ENTERPRISE SOLUTIONS INC
BRYN MAWR BANK CORP
FIRST CHESTER COUNTY CORP
FIRST LIBERTY BANK CORP
FIRST KEYSTONE CORP
BT FINANCIAL CORP
FULTON FINANCIAL CORP
SEI CORP
WEST PENN POWER CO
ERIE FAMILY LIFE INSURANCE CO
DUQUESNE LIGHT CO
CARNEGIE FINANCIAL CORP /PA/
ENTERCOM COMMUNICATIONS CORP
NITTANY FINANCIAL CORP
FEDERATED INVESTORS INC /PA/
SUNQUEST INFORMATION SYSTEMS INC
ORRSTOWN FINANCIAL SERVICES INC
FNB FINANCIAL CORP /PA/
ACNB CORP
DROVERS BANCSHARES CORP
CONSUMERS FINANCIAL CORP
ROYAL BANCSHARES OF PENNSYLVANIA INC
PENN AMERICA GROUP INC
INTEGRATED CIRCUIT SYSTEMS INC
UNION NATIONAL FINANCIAL CORP / PA
DQE INC
PENNS WOODS BANCORP INC
PNC FINANCIAL SERVICES GROUP INC
OMEGA FINANCIAL CORP /PA/
PRESTIGE BANCORP INC
PHS BANCORP INC
VANGUARD BALANCED INDEX FUND INC
PENNROCK FINANCIAL SERVICES CORP
FRANKLIN FINANCIAL SERVICES CORP /PA/
FIRST COMMONWEALTH FINANCIAL CORP /PA/
SUSQUEHANNA BANCSHARES INC
NORWOOD FINANCIAL CORP
D&E COMMUNICATIONS INC
MID PENN BANCORP INC
FIDELITY LEASING INCOME FUND V LP
DIVERSIFIED HISTORIC INVESTORS V
DIVERSIFIED HISTORIC INVESTORS IV INCOME FUND
DIVERSIFIED HISTORIC INVESTORS III
DIVERSIFIED HISTORIC INVESTORS
PROVIDENT MUTUAL VARIABLE GROWTH SEPARATE ACCOUNT
CNB FINANCIAL CORP/PA
CCFNB BANCORP INC
KEYSTONE FINANCIAL INC
DNB FINANCIAL CORP /PA/
NRM INVESTMENT CO
TASTY BAKING CO
KOPPERS INDUSTRIES INC
OMI TRUST 1999 E
ANTHONY CRANE RENTAL HOLDINGS LP
ANTHONY CRANE RENTAL LP
PROVIDENT MUTUAL VARIABLE ANNUITY SEPARATE ACCOUNT
COMMERCIAL NATIONAL FINANCIAL CORP /PA
PENN NATIONAL GAMING INC
ESB FINANCIAL CORP
TECHNITROL INC
ALLEN ORGAN CO
PHILADELPHIA CONSOLIDATED HOLDING CORP
JONES APPAREL GROUP INC
HANOVER BANCORP INC
PENN SERIES FUNDS INC
BIOCONTROL TECHNOLOGY INC
EXELON CORP
PROVIDENTMUTUAL VARIABLE ANNUITY SEPARATE ACCOUNT
NUMEREX CORP /PA/
MARKET STREET FUND INC
USBANCORP INC /PA/
YORK WATER CO
SUNOCO INC
ARMSTRONG HOLDINGS INC /PA/
OHIGGINS FUND
COMMONWEALTH BANCORP INC
TOLLGRADE COMMUNICATIONS INC \PA\
FIRST LEESPORT BANCORP INC
COMM BANCORP INC
S&T BANCORP INC
SAFEGUARD SCIENTIFICS INC ET AL
SKLAR CORP
PARKVALE FINANCIAL CORP
CITIZENS FINANCIAL SERVICES INC
PLIFUNDS INVESTMENT PLANS
MIDWEST INVESTORS PROGRAM
MESTEK INC
MAIN STREET BANCORP INC
IGATE CAPITAL CORP
SOMERSET TRUST HOLDING CO
THERMAL INDUSTRIES INC
PENN MUTUAL VARIABLE ANNUITY ACCOUNT I
PENN MUTUAL VARIABLE ANNUITY ACCOUNT II
URDANG INVESTMENT MANAGEMENT INC
PARKER HUNTER INC/PA
PEOPLES FIRST INC
STALEY CAPITAL ADVISERS INC
LAUREL INVESTMENT ADVISORS INC
CHARTWELL INVESTMENT PARTNERS/PA
SMITH THOMAS W
PPL CORP
TCW GROUP INC
PPL ELECTRIC UTILITIES CORP
WEST CHESTER CAPITAL ADVISORS/PA
SWEIGART ANNE B
HEALTHAXIS INC
IRON MOUNTAIN INC/PA
GPU SERVICE INC /PA/
THREE RIVERS BANCORP INC
WARBURG PINCUS FIXED INCOME FUND /NY/
OAKWOOD MORTGAGE INVESTORS INC OMI TRUST 1999-B
TRIUMPH FUNDS INC
AIRNET COMMUNICATIONS CORP
CANNELL PETER B & CO INC
MACKEY WARREN A
DAMSON BIRTCHER REALTY INCOME FUND II LTD PARTNERSHIP
INVESTORS TRUST CO /PA
PIERCE LEAHY CORP
LANGONE KENNETH G
FIDELITY D & D BANCORP INC
MCS INC
OAKWOOD MORTGAGE INVESTORS INC OMI TRUST 1999-D
MELLON FINANCIAL CORP
GEE WILMERDING & ASSOCIATES INC
CHESTER VALLEY BANCORP INC EMPLOYEE STOCK OWNERSHIP PLAN
WSB HOLDING CO
USABANCSHARES COM INC
LONGWOOD INVESTMENT ADVISORS INC/PA
OAKWOOD MORTGAGE INVESTORS INC OMI TRUST 1999-C
VANGUARD INSTITUTIONAL INDEX FUND
FASTNET CORP
IDT INC
DIVERSIFIED HISTORIC INVESTORS II
PENSECO FINANCIAL SERVICES CORP
DIASENSOR COM INC
RADNOR CAPITAL MANAGEMENT INC /ADV
GLENMEDE TRUST CO
S&T BANK/PA
HEALTHCARE SERVICES GROUP INC
PITTSBURGH & WEST VIRGINIA RAILROAD
PEOPLES FINANCIAL CORP INC /PA/
NORTH PITTSBURGH SYSTEMS INC
VESTAUR SECURITIES INC
MCKEE C S & CO INC
C COR NET CORP
VANGUARD FLORIDA INSURED TAX FREE FUND
AMSTER HOWARD
TUSCARORA INC
CANTERBURY INFORMATION TECHNOLOGY INC
VANGUARD OHIO TAX FREE FUND
UNITED REFINING CO
FEDERATED TAX FREE TRUST
VANGUARD/WELLINGTON FUND INC
DELAWARE GROUP PREMIUM FUND INC
FIDELITY LEASING INC
PRIME BANCORP INC /PA
CAPSTONE GROWTH FUND INC
HUNT CORP
HEINZ H J CO
CDI CORP
BLUE RIDGE REAL ESTATE CO
AMP INC
SEEC INC
WORLD INVESTMENT SERIES INC
DELAWARE POOLED TRUST INC
WARBURG PINCUS INTERMEDIATE MATURITY GOVERNMENT FUND
INDEPENDENCE ONE MUTUAL FUNDS
MUNICIPAL FUND FOR TEMPORARY INVESTMENT
TRUST FOR FEDERAL SECURITIES
PPG INDUSTRIES INC
VANGUARD EXPLORER FUND INC
PEP BOYS MANNY MOE & JACK
MYLAN LABORATORIES INC
USABANC COM INC
CENTRAL SPRINKLER CORP
SPECTRUM CONTROL INC
PENNSYLVANIA ENTERPRISES INC
JADE FINANCIAL CORP
HALIS JEFFREY S
RITTENHOUSE TRUST CO
BERKSHIRE ASSET MANAGEMENT INC/PA
INTERSTATE HOTELS CO
MOTIVEPOWER INDUSTRIES INC
MAS FUNDS /MA/
CHARMING SHOPPES INC
DEARDEN MAGUIRE WEAVER & BARRETT INC
VISION GROUP OF FUNDS INC
ENTRADE INC
C COR ELECTRONICS INC
GREAT PLAINS FUNDS
RIGHTIME ECONOMETRICS INC
TURNER INVESTMENT PARTNERS INC
LAUREL TRUST CO
FIRST AMERICAN FUNDS INC
COLTEC INDUSTRIES INC
KEYSTONE FINANCIAL BANK NA
KEY TRUST CO/PA
FIRST NATIONAL BANK OF WEST CHESTER
TWIN CAPITAL MANAGEMENT INC
CRUSADER HOLDING CORP