Radius Health Announced That it Has Appointed Debasish Roychowdhury, MD, to Its Board of Directors and the Formation of the Radius Oncology Clinical Advisory Board (OCAB)

Radius Health, Inc.

(the "Company"), a science-driven biopharmaceutical company developing new therapeutics for patients with advanced osteoporosis as well as other serious endocrine-mediated diseases including hormone responsive metastatic breast cancer, today announced that Debasish Roychowdhury, M.D., who previously served as Seragon's Acting Chief Medical Officer, has been elected to the company's Board of Directors. Dr. Roychowdhury is a leader in the pharmaceutical industry with a strong background in oncology research and development, and regulatory and commercial operations, having previously served in key senior leadership roles at Sanofi, GlaxoSmithKline and Eli Lilly. Debasish played a key role in the development and advancement of Seragon's selective estrogen receptor degraders (SERDs) platform for breast cancer and other hormone-driven cancers. Radius Health also announced today that it has formed an Oncology Clinical Advisory Board (OCAB) comprised initially of two renowned leaders in the field of oncology: Professor Mitch Dowsett, FMedSci, PhD, and Professor George W. Sledge Jr. "We are delighted to have attracted someone with Debasish's experience and leadership in the field of oncology to join our Board of Directors. In addition, we are honored to have the esteemed counsel of two of the leading authorities in the field of breast cancer research, Professor Dowsett and Professor Sledge, join our newly formed OCAB," said Radius Health CEO, Robert E. Ward. "We are excited about the value these accomplished individuals are expected to bring to Radius as we seek to accelerate the development of RAD1901 in breast cancer." Debasish has a distinguished track record in the field of oncology having been involved in the approval of nine oncology drugs, including Almita, Tykerb and Jevtana. Currently, he is President of Nirvan Consultants, LLC and in this capacity he serves in senior advisory roles for biotechnology companies to help advance their pipeline of therapeutics. Debasish also serves as a member of the Board of Directors for Lytix Biopharma AS. Prior to the acquisition of Seragon by Roche, Debasish was one of the founding members of the Seragon Clinical and Scientific Advisory Board and served as Seragon's Acting Chief Medical Officer. Previously, Debasish was the Senior Vice President of Global Oncology and Head of the Global Oncology Division at Sanofi until November 2013. Prior to that, he served as the Vice President for Clinical Development at GlaxoSmithKline and directed the oncology global regulatory group at Eli Lilly and Company. In his academic career, Debasish served as a faculty member at the University of Cincinnati. He trained at the All India Institute of Medical Sciences and University of California, San Francisco. Oncology Clinical Advisory Board (OCAB) Radius is pleased to announce the formation of the OCAB with its first two members, both of whom are world renowned scientific and clinical authorities in the field of oncology: Professor Mitch Dowsett, and Professor George Sledge. Professor Mitch Dowsett, FMedSci, PhD, is Head of the Academic Department of Biochemistry and Head of the Centre for Molecular Pathology at the Royal Marsden Hospital in London, UK. He is also Professor of Biochemical Endocrinology at the Institute of Cancer Research, Professor of Translational Research in the Breakthrough Breast Cancer Centre, Team Leader for Breast Cancer Research for the Biomedical Research Centre for Cancer and Leader of the Endocrinology Team at the Breakthrough Breast Cancer Centre. Dr. Dowsett's main scientific interests have been related to the endocrine basis of the majority of breast cancers, and his studies to understand the mechanisms of response and resistance to estrogen deprivation in the treatment of breast cancer. His studies led to the development of aromatase inhibitors. Dr. Sledge is Professor and Chief of Medical Oncology at Stanford University Medical Center, and specializes in the study and treatment of breast cancer. Dr. Sledge directed the first large, nationwide study on the use of paclitaxel to treat advanced breast cancer. His recent research focuses on novel biologic treatments for breast cancer. He has published over 300 articles in medical journals about breast cancer and chaired several clinical trials involving new breast cancer treatments. Dr. Sledge serves as Editor-in-Chief of the journal Clinical Breast Cancer and is past President of the American Society of Clinical Oncology (ASCO). He served as Chairman of the Breast Committee of the Eastern Cooperative Oncology Group from 2002 to 2009 where he played an important role in the development of several nationwide clinical trials. He has also served as Chair of ASCO's Education Committee, member of the Department of Defense Breast Cancer Research Program's Integration Panel, member of the Food and Drug Administration's Oncology Drug Advisory Committee (ODAC) and is currently a member of the External Advisory Committee for the Cancer Genome Atlas (TCGA) project.