Committee Composition

Investors/Media

	Audit Committee	Compensation Committee	Nominating and Corporate Governance Committee
Kimberly Blackwell, MD			Nominating and Corporate Governance Committee
David M. Johnson	Audit Committee	Compensation Committee	Nominating and Corporate Governance Committee
Enoch Kariuki, PharmD	Audit Committee
Karan S. Takhar	Audit Committee	Compensation Committee	Nominating and Corporate Governance Committee

= Chairperson = Member