Clovis Oncology Welcomes Two New Directors to its Board

Clovis Oncology, Inc. (Nasdaq: CLVS), announced today the addition of two new members to its Board of Directors, Ginger Graham and Keith Flaherty, M.D.

“We are delighted to add these two gifted individuals to our Board of Directors as the Company matures into a later-stage developer of oncology products and ultimately a commercial organization,” said Patrick J. Mahaffy, president and CEO of Clovis Oncology. “Ginger is a widely respected and well-known healthcare executive with significant CEO- and Board-level experience. Keith has highly-relevant experience as a clinician developing innovative oncology products, in particular targeted therapies with companion diagnostics. We are really pleased that they have chosen to join us.”

Ginger Graham is the President and CEO of Two Trees Consulting, where she coaches first-time CEOs of public and private companies. For the last four years, she has been a senior lecturer at Harvard University and a faculty member in its Entrepreneurship Unit. Ms. Graham is the former President and CEO of Amylin Pharmaceuticals, a biopharmaceutical company based in San Diego, CA focused on diabetes and obesity. Previously, Ms. Graham was Group Chairman, Office of the President for Guidant Corporation. Ms. Graham serves on the Boards of Directors for Walgreen Co., Genomic Health, Inc., Surefire Medical, Elcelyx Therapeutics Inc., Proteus Biomedical and Circle of Life Hospice Foundation. Ms. Graham has a Bachelor of Science, Agriculture with high honors from the University of Arkansas and a Master in Business Administration with distinction from Harvard Business School.

Keith Flaherty, M.D. is an Associate Professor of Medicine at Harvard Medical School, Associate Physician of Medicine, Hematology/Oncology at Massachusetts General Hospital, and Director of the Henri and Belinda Termeer Center for Targeted Therapy, Massachusetts General Hospital Cancer Center. Dr. Flaherty is also the Deputy Chair for Biomarker Sciences and the Chair of the Developmental Therapeutics Committee in the Eastern Cooperative Oncology Group. Dr. Flaherty has served as Principal Investigator for numerous first-in-human clinical trials with novel, targeted therapies, including the first in-human trials of the first prospectively developed selective BRAF inhibitors for metastatic melanoma. Dr. Flaherty has a Bachelor of Science from Yale University and medical degree from Johns Hopkins University. Dr. Flaherty trained in internal medicine at Brigham and Women’s Hospital and completed a medical oncology fellowship at the University of Pennsylvania.

About Clovis Oncology

Clovis Oncology, Inc. is a biopharmaceutical company focused on acquiring, developing and commercializing innovative anti-cancer agents in the U.S., Europe and additional international markets. Clovis Oncology targets development programs at specific subsets of cancer populations, and simultaneously develops diagnostic tools that direct a compound in development to the population that is most likely to benefit from its use. Clovis Oncology is headquartered in Boulder, Colorado, and has additional offices in San Francisco, California and Cambridge, UK.

To the extent that statements contained in this press release are not descriptions of historical facts regarding Clovis Oncology, they are forward-looking statements reflecting the current beliefs and expectations of management made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements involve substantial risks and uncertainties that could cause our clinical development programs, future results, performance or achievements to differ significantly from those expressed or implied by the forward-looking statements. Such risks and uncertainties include, among others, the uncertainties inherent in the initiation of future clinical trials, availability of data from ongoing clinical trials, expectations for regulatory approvals, and other matters that could affect the availability or commercial potential of our drug candidates. Clovis Oncology undertakes no obligation to update or revise any forward-looking statements. For a further description of the risks and uncertainties that could cause actual results to differ from those expressed in these forward-looking statements, as well as risks relating to the business of the company in general, see Clovis Oncology’s Annual Report on Form 10-K for the year ended December 31, 2012 and its other reports filed with the Securities and Exchange Commission.