Committee composition

Director Name Audit committee Compensation committee Nominating and corporate governance committee Science and technology committee
Scott Braunstein, MD Independent Director Member ofthe Audit committee Chairperson ofthe Compensation committee
Andrew Guggenhime Chairman of the BoardIndependent Director Chairperson ofthe Audit committee Member ofthe Compensation committee
Rachel Haurwitz, PhD
David Johnson Independent Director Member ofthe Audit committee
Dara Richardson-Heron, MD Independent Director Member ofthe Nominating and corporate governance committee
Natalie Sacks, MD Independent Director Chairperson ofthe Nominating and corporate governance committee Member ofthe Science and technology committee
Nancy Whiting, PharmD Independent Director Member ofthe Compensation committee Chairperson ofthe Science and technology committee
Ran Zheng Independent Director Member ofthe Nominating and corporate governance committee Member ofthe Science and technology committee
Legend = Independent Director = Chairperson = Member = Chairman of the Board