CORPORATE DIRECTORY

BOARD OF DIRECTORS

Sherwin I. Seligsohn
Chairman of the Board

Steven V. Abramson
President and Chief Executive Officer

Sidney D. Rosenblatt
Executive Vice President and Chief Financial Officer

Leonard Becker
General Partner, Becker Associates

Elizabeth H. Gemmill, Esquire
Managing Trustee, Warwick Foundation

C. Keith Hartley
Managing Partner, Hartley Capital Advisors

Larry Lacerte
Founder, President and Chief Executive Officer, Exponent Technologies, Inc.

SCIENTIFIC ADVISORY BOARD

Dr. Julia J. Brown
Vice President and Chief Technical Officer, Universal Display Corporation

Dr. Mike Hack
Vice President, Strategic Product Development, Universal Display Corporation

Dr. Peter Foller
Director of R&D, Optical Products, PPG Industries

Dr. Stephen R. Forrest
William Gould Dow Collegiate Professor of Electrical Engineering & Physics
Vice President for Research, University of Michigan

Dr. Mark E. Thompson
Professor of Chemistry & Department Chair
Department of Chemistry, University of Southern California

SHAREHOLDER CONTACT

Dean L. Ledger
Executive Vice President
800-599-4426

TRANSFER AGENT AND REGISTRAR

American Stock Transfer & Trust Company
40 Wall Street
New York, NY 10005

CORPORATE COUNSEL

Morgan, Lewis & Bockius LLP
1701 Market Street
Philadelphia, PA 19103

INTELLECTUAL PROPERTY COUNSEL

Kenyon & Kenyon
One Broadway
New York, NY 10004

INDEPENDENT PUBLIC ACCOUNTANTS

KPMG LLP
1601 Market Street
Philadelphia, PA 19103