Committee Composition

	Independent Director	Audit Committee	Compensation Committee	Nominating, Governance and Risk Committee
Sally W. Crawford	Independent Director		Compensation Committee	Nominating, Governance and Risk Committee
John Fallon, MD	Independent Director			Nominating, Governance and Risk Committee
Wayne A. I. Frederick, MD	Independent Director	Audit Committee
Jim Hollingshead, PhD	Independent Director	Audit Committee	Compensation Committee
Jessica Hopfield, PhD	Independent Director		Compensation Committee	Nominating, Governance and Risk Committee
David A. Lemoine	Independent Director	Audit Committee	Compensation Committee
Michael R. Minogue	Independent Director	Audit Committee
Corinne Nevinny	Independent Director	Audit Committee
Timothy J. Scannell	Independent Director			Nominating, Governance and Risk Committee

= Independent Director = Chairperson = Member

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