Committee Composition

	Audit Committee	Compensation Committee	Nominating and Corporate Governance Committee
Kevin Buehler	Audit Committee		Nominating and Corporate Governance Committee
Geno Germano	Audit Committee	Compensation Committee
Raymond Schinazi PhD, DSc		Compensation Committee	Nominating and Corporate Governance Committee
Shalini Sharp	Audit Committee	Compensation Committee
Tony Yao MD, PhD			Nominating and Corporate Governance Committee

= Chairperson = Member