Sosei Heptares Confirms Re-election of its Board and Executive Management Team and the Approval of Change of Company Name to Nxera Pharma

Tokyo, Japan and Cambridge, UK, 27 March 2024 – Sosei Group Corporation (“the Company”; TSE: 4565) announces that the re-election of its Board of Directors and Executive Officers was approved at the Company’s 34th Annual Shareholders’ Meeting and a subsequent Board of Directors meeting, held today in Tokyo. In addition, the “Partial Amendment to the Articles of Incorporation (Change of Corporate Name)” was approved at the Annual Shareholder’s Meeting. With this approval, the Company will change its name to Nxera Pharma Co., Ltd. with effect from 1 April 2024.

Shinichi Tamura, Chairman of Sosei Heptares, said: “2023 was a transformational year for Sosei Group enabling us to accelerate our development going forward as an integrated, technology powered, commercial-stage biopharmaceutical company focused on applying cutting-edge science to deliver life-changing medicines for patients in Japan and globally.

“We have great optimism about the future for the Group as we embark on the next phase of our journey under a new name – Nxera Pharma – unified, well-financed and with a clear vision and purpose to deliver life-changing medicines to patients and in so doing create value for all our stakeholders.”

Details of the Board of Directors and Executive Officers

Board of Directors (effective 27 March 2024)
Chairman of the Board, Shinichi Tamura (reappointed)
Representative Executive Officer, Chris Cargill (reappointed)
Independent External Director, Tomohiro Tohyama (reappointed)
Independent External Director, Kuniaki Kaga (reappointed)
Independent External Director, David Roblin (reappointed)
Independent External Director, Noriaki Nagai (reappointed)
Independent External Director, Rolf Soderstrom (reappointed)
Independent External Director, Miwa Seki (reappointed)
Independent External Director, Eiko Tomita (reappointed)

Executive Officers (effective 27 March 2024)
President & Chief Executive Officer, Chris Cargill
EVP, President of Heptares Therapeutics, Head of UK R&D, Matt Barnes
EVP, Chief Financial Officer, Hironoshin Nomura
EVP, Chief Accounting Officer, Kieran Johnson
EVP, Chief Compliance Officer, Kazuhiko Yoshizumi
EVP, Chief of Staff, Candelle Chong
EVP, President of Idorsia Pharmaceuticals Japan Ltd, Satoshi Tanaka
EVP, Chief Operating Officer, Toshihiro Maeda

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About Sosei Heptares
Sosei Heptares is a fully integrated biopharmaceutical company focused on bringing life-changing medicines based on world-class science to patients globally. Our vision is to become one of Japan’s global biopharmaceutical champions.