DELOITTE & TOUCHE LLP

N/A

MASTECH DIGITAL TECHNOLOGIES, INC., A MASTECH DIGITAL, INC. COMPANY

MASTECH DIGITAL TECHNOLOGIES, INC.

SAP AMERICA, INC.

COMCAST CABLE COMMUNICATIONS, LLC

EPAM SYSTEMS, INC.

QUINTILES IMS INCORPORATED

N/A

SDLC MANAGEMENT, INC.

SDLC PARTNERS

UNIVERSITY OF PITTSBURGH PHYSICIANS

TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA

UNIVERSITY OF PENNSYLVANIA

UNIVERSITY OF PITTSBURGH

HM HEALTH SOLUTIONS, INC.

N/A

YBRANT TECHNOLOGIES LLC.

N/A

ANSYS, INC.

PVR TECHNOLOGIES, INC.

MAGNUS SYSTEMS LLC

THE BANK OF NEW YORK MELLON

N/A

SOLOMONS INTERNATIONAL LLC

N/A

ROHM AND HAAS CHEMICALS, LLC, A SUBSIDIARY OF THE DOW CHEMICAL COMPANY

TECHDATA SERVICE COMPANY LLC.

NESS USA, INC.

CARNEGIE MELLON UNIVERSITY

INFOYUGA TECHNOLOGIES, INC.

CIGNA HEALTH AND LIFE INSURANCE COMPANY

TEMPLE UNIVERSITY--A COMMONWEALTH UNIVERSITY

THE PENNSYLVANIA STATE UNIVERSITY

GENESIS ELDERCARE REHABILITATION SERVICES, INC.

D/B/A GENESIS REHABILITATION SERVICES

THE PNC FINANCIAL SERVICES GROUP, INC.

SIEMENS MEDICAL SOLUTIONS USA, INC.

CASPEX CORP

SAPVIX INC

ASAP DATA SOLUTIONS LLC

KRAFT HEINZ FOODS COMPANY

N/A

VIRGO, INC.

MSCI, INC.

BAYER U.S. LLC

ASPIRE PATHWAY LLC

N/A

OPERA TECHNOLOGIES, INC.

COGENT INFOTECH CORPORATION

GALAX-ESYSTEMS CORPORATION

RITE AID CORP.

RITE AID PHARMACY