Charles M. Diker *
Chairman of the Board
Co-Managing Partner - Diker Management, LLC

George L. Fotiades ^2,*
Vice Chairman of the Board
Chairman - Healthcare Investments
Diamond Castle Holdings LLC

Robert L. Barbanell ^1,2
President - Robert L. Barbanell Associates, Inc.

Alan R. Batkin ^1,3,4
Vice Chairman - Eton Park Capital Management, L.P.

Ann E. Berman¹
Former Chief Financial Officer -
Harvard University

Joseph M. Cohen ^2,3
Chairman - JM Cohen & Co.

__________________________
¹ Audit Committee
² Nominating & Governance Committee
³ Compensation and Stock Option Committee
⁴ Presiding Independent Director
* Member Office of the Chairman

Mark N. Diker
Co-Managing Partner - Diker Management LLC

Alan J. Hirschfield ³
Private Investor and Consultant

Andrew A. Krakauer *
President and Chief Executive Officer

Peter J. Pronovost, M.D., Ph.D.
Professor, Johns Hopkins University School of Medicine;
Anesthesiologist and Critical Care Physician

Bruce Slovin¹
President - 1 Eleven Associates, LLC

Charles M. Diker *
Chairman

Andrew A. Krakauer *
President and Chief Executive Officer

Seth R. Segel *
Executive Vice President

Eric W. Nodiff
Senior Vice President, General Counsel and
Corporate Secretary

Craig A. Sheldon
Senior Vice President - Chief Financial Officer and Treasurer

Steven C. Anaya
Vice President and Controller