Sosei Group Corporation announced that at the Nomination Committee meeting held on 4 June 2018, the Company determined to withdraw the nomination of Dr. Michael Hayden as a new External Director. The appointment was scheduled to be voted on for approval at the 28th Ordinary General Meeting of Shareholders on 22 June 2018. The Board of Directors The Nomination Committee has determined that it will not nominate a replacement new External Director for election at the 28th Ordinary General Meeting of Shareholders.