


AG US GROUP SERVICES INC.
MSD PARTNERS, L.P.
PHILA AREA INDPDNT SCHOOL BUSINESS OFFICERS ASSC HEALTH BENEFIT TR
SARATOGA MANAGEMENT COMPANY LLC
PUBLIC RESOURCES ADVISORY GROUP, INC.
A.R.T. ADVISORS, L.L.C.
A.C. ISRAEL ENTERPRISES, INC.
KAHN BROTHERS GROUP, INC.
KIMELMAN & BAIRD, LLC
ASSOCIATED INSURANCE & FINANCIAL SERVICES, LLC