Diurnal Group plc announced that Peter Allen has informed the Board of his intention to step down as Chairman and a member of the Board effective 30 June 2020 after serving five years with the Company. Sam Williams, Non-Executive Director of Diurnal and Board representative of IP Group plc, will become Interim Chairman following Peter Allen's departure. Sam has over 20 years' experience in the biotechnology industry, both as a top-ranked equity analyst in the City and, subsequently, as an investor and chief executive. Sam has been on the Board of Diurnal since 2015 and held the role of Interim Chairman prior to the appointment of Peter Allen. The Board will initiate a search for a permanent successor and a further announcement will be made in due course.