Dawn C. Bir has served as a director of Geron since March 2019 and as our Interim President and Chief Executive Officer from March until August 2025. Ms. Bir has served as a member of the board of directors of Cassava Sciences, Inc., a biotechnology company focused on developing novel, investigational treatments for central nervous system disorders, since October 2025, and of Soleno Therapeutics, Inc., a biopharmaceutical company developing novel therapeutics for the treatment of rare diseases, since August 2024. Previously, Ms. Bir served as the Chief Commercial Officer of Reata Pharmaceuticals, Inc., a biopharmaceutical company where she led marketing, market access, sales, and commercial operations, from September 2016 until Reata s acquisition by Biogen, Inc. in September 2023. From February 2013 to September 2016, Ms. Bir served as Vice President of Sales with Pharmacyclics LLC, an AbbVie company, where she built and led their first hematology national sales organization, and was responsible for the launch of IMBRUVICA in the United States and Puerto Rico. From October 2011 to February 2013, Ms. Bir served as Vice President of Sales & Marketing of SKY Pharmaceuticals Packaging, Inc. & Rx Pak, a unit within the U.S. pharmaceutical and specialty solutions division of McKesson Corporation, a global healthcare company, where she was responsible for two companies and revenue centers, and led multiple functions, including sales, marketing, contract management, project management and customer service. From 1996 to October 2011, Ms. Bir held several commercial and sales positions of increasing responsibility within Genentech, Inc., a member of the Roche Group, a global pharmaceutical company, and Bristol Myers Squibb Company, a global pharmaceutical company. Ms. Bir holds a B.S. in Biology from Binghamton University. THE BOARD BELIEVES MS. BIR S EXTENSIVE COMMERCIAL, SALES AND MARKETING EXPERTISE, INCLUDING WITH HEMATOLOGY-ONCOLOGY PRODUCTS, BROADENS THE BOARD S ABILITY TO ADVISE ON, EVALUATE AND ANALYZE THE COMPANY S COMMERCIALIZATION ACTIVITIES FOR RYTELO, ESPECIALLY IN THE UNITED STATES, AS WELL AS TO PROVIDE INSIGHTS INTO THE COMPETITIVE LANDSCAPE OF OTHER HEMATOLOGY-ONCOLOGY PRODUCTS. THIS KNOWLEDGE AND EXPERIENCE, TOGETHER WITH HER STRONG LEADERSHIP ABILITY AS AN EXECUTIVE IN THE HEALTHCARE INDUSTRY AND AS MANAGEMENT S REPRESENTATIVE ON THE BOARD, QUALIFY MS. BIR TO SERVE AS A DIRECTOR.