Tokyo, Japan and London, UK, 10 May 2018 – Sosei Group Corporation (“Sosei” or the “Company”; TSE Mothers Index: 4565), the world leader in GPCR medicine design and development, today announced that its Board of Directors has resolved to change the fiscal year end, subject to the approval of the “Proposal for Partial Amendment to the Articles of Incorporation” at the 28th Ordinary General Meeting of Shareholders to be held in late June 2018.