Committee Composition

  Audit Nominating and Governance Compensation
John C. Aplin, PhD Chairman of the Board Member of Audit Committee    
Douglas G. Bailey   Member of Nominating and Governance Committee Committee Chair for Compensation Committee
Keith E. Brauer Committee Chair for Audit Committee    
Ann F. Hanham, PhD Member of Audit Committee Member of Nominating and Governance Committee  
Peter D. Meldrum, Ph.D.     Member of Compensation Committee
Fred A. Middleton     Member of Compensation Committee
Marc Kozin   Member of Nominating and Governance Committee  
Chair of the Board = Chair of the Board Committee Chair = Chair Committee Member = Member