Sosei Group Corporation announced the election of Ms. Eiko Tomita to the Board of Directors as an Independent External Director, and the promotion of Ms. Candelle Chong to Executive Vice President and Chief of Staff at the Company's 33rd Annual Shareholders' Meeting and a subsequent Board of Directors meeting, held in Tokyo. Eiko has over 35 years' experience in the pharmaceutical industry, both internationally and in Japan, having held roles across R&D, business strategy and commercialization at several global biopharmaceutical companies. Eiko currently serves as Vice President, Global Regulatory Affairs at Bristol Myers Squibb where she oversees regulatory affairs in over 40 countries.

Prior to joining Bristol Myers Squibb in 2007, Eiko held roles at Pfizer, AstraZeneca, Monsanto and Eisai. Candelle joined Sosei Heptares in April 2018 as Vice President Corporate Strategy and was promoted to Executive Vice President and Chief of Staff in March 2023. Candelle has also held interim positions as Head of Human Resources and Head of Site Operations and has managed group strategic projects, corporate finance transactions, internal and external communications, and investor relations.

Prior to joining Sosei Heptares, Candelle spent over five years in healthcare investment banking at J.P. Morgan in Sydney, Australia and in London, UK. She holds a Bachelor of Laws (Hons.) and a Bachelor of Commerce (Finance) from the University of New South Wales, Australia.