Committee Composition

	Audit Committee	Compensation Committee	Corporate Governance-Nominating Committee	Disclosure Committee
Thomas H. Adams, Ph.D.	Audit Committee	Compensation Committee
Timothy M. Block, Ph.D.	Audit Committee		Corporate Governance-Nominating Committee
John P. Brancaccio, C.P.A.	Audit Committee	Compensation Committee
Tamar D. Howson			Corporate Governance-Nominating Committee
Arnold Lippa, Ph.D.	Audit Committee	Compensation Committee	Corporate Governance-Nominating Committee

= Chairperson = Member