Committee Composition

Overview of Committee Composition and Member Roles
Director Name	Audit Committee	Compensation Committee	Nominating and Corporate Governance Committee
Phillip M Eyler		Member of the Compensation CommitteeCompensation Committee
Theodore L. Tewksbury Ph.D. Chairman of the Board			Member of the Nominating and Corporate Governance CommitteeNominating and Corporate Governance Committee
Susan Heystee Vice-Chair of the Board		Member of the Compensation CommitteeCompensation Committee	Chairperson of the Nominating and Corporate Governance CommitteeNominating and Corporate Governance Committee
Ernest E. Maddock Financial Expert	Chairperson of the Audit CommitteeAudit Committee	Member of the Compensation CommitteeCompensation Committee
Virginia Boulet			Member of the Nominating and Corporate Governance CommitteeNominating and Corporate Governance Committee
Christina C. Correia	Member of the Audit CommitteeAudit Committee
Stephen A. Skaggs	Member of the Audit CommitteeAudit Committee	Chairperson of the Compensation CommitteeCompensation Committee