Exhibit 99.1
Schedule I
The name and present principal occupation of each of the executive officers and directors of Gilead Sciences, Inc. are set forth below. Unless otherwise noted, each of these persons have as their business address c/o Gilead Sciences, Inc., 333 Lakeside Drive, Foster City, California 94404.
| Name | Title | Citizenship | Principal Occupation and, if not employed by Gilead Sciences, Inc., Name, Principal Business and Address of Employer |
| Daniel P. O’Day | Chief Executive Officer, Chairman and Director | United States | * |
| Jacqueline K. Barton, Ph.D. | Director | United States | Professor Emerita, California Institute of Technology |
| Jeffrey A. Bluestone, Ph.D. | Director | United States | Former President and Chief Executive Officer, Sonoma Biotherapeutics, Inc. |
| Sandra J. Horning, M.D. | Director | United States | Retired Chief Medical Officer of Roche, Inc. |
| Kelly A. Kramer | Director | United States | Retired Executive Vice President and Chief Financial Officer, Cisco Systems, Inc. |
| Ted W. Love, M.D. | Director | United States | Former Chair of Board of Directors, Biotechnology Innovation Organization |
| Harish Manwani | Director | Singapore | Senior Operating Partner, Blackstone |
| Javier J. Rodriguez | Director | Mexico | Chief Executive Officer, DaVita, Inc. |
| Anthony Welters | Director | United States | Lead Independent Director; Chairman and Chief Executive Officer, CINQ Care |
| Andrew D. Dickinson | Chief Financial Officer | United States | * |
| Johanna Mercier | Chief Commercial & Corporate Affairs Officer | United States | * |
| Dietmar Berger, M.D., Ph.D. | Chief Medical Officer | United States | * |
| Keeley Cain Wettan | Executive Vice President, General Counsel, Legal & Compliance | United States | * |
* The present principal occupation for each of these individuals is officer of Gilead Sciences, Inc. and officer, trustee and/or director of other affiliated entities.