Committee Composition

Overview of Committee Composition and Member Roles
Director Name	Audit and Compliance Committee	Compensation Committee	Corporate Governance and Nominating Committee
Gerald T. Proehl Chairman of the Board		Chairperson of the Compensation CommitteeCompensation Committee	Member of the Corporate Governance and Nominating CommitteeCorporate Governance and Nominating Committee
June Almenoff, MD, PhD Almenoff, MD, PhD	Member of the Audit and Compliance CommitteeAudit and Compliance Committee		Chairperson of the Corporate Governance and Nominating CommitteeCorporate Governance and Nominating Committee
Michael Davidson, MD Davidson, MD	Member of the Audit and Compliance CommitteeAudit and Compliance Committee	Member of the Compensation CommitteeCompensation Committee
Declan Doogan, MD			Member of the Corporate Governance and Nominating CommitteeCorporate Governance and Nominating Committee
Robyn M. Hunter	Chairperson of the Audit and Compliance CommitteeAudit and Compliance Committee	Member of the Compensation CommitteeCompensation Committee

Gerald T. Proehl

Compensation Committee

Corporate Governance and Nominating Committee

June Almenoff, MD, PhD Almenoff, MD, PhD

Audit and Compliance Committee

Corporate Governance and Nominating Committee

Michael Davidson, MD Davidson, MD

Audit and Compliance Committee

Compensation Committee

Declan Doogan, MD

Corporate Governance and Nominating Committee

Robyn M. Hunter

Audit and Compliance Committee

Compensation Committee

= Chairperson = Member = Chairman of the Board