Sound Energy plc announced the appointment of Graham Lyon as Executive Chairman and as a Director of the Company. Effective from 25 February 2020. Mr. Lyon is an experienced oil and gas executive with 40 years of experience across technical, operational and commercial leadership roles, including as Chairman of Infrastrata plc and International Vice President of Petro-Canada. Mr. Lyon is a Petroleum Engineer by training, is currently Non-Executive Chairman at SulNOx Group PLC and holds various private directorships with small energy and consulting firms. Mr. Lyon will lead the Company's Executive team and Board of Directors, bringing commercial, strategic and technical leadership to the Company. Marco Fumagalli, who had been Sound Energy's acting Non-Executive Chairman since 12 November 2019 and prior to Mr. Lyon's appointment, will now return to his role as a Non Executive Director of the Company with immediate effect. The Company also announces that it has commenced the process of identifying and appointing an additional Independent Non-Executive Director for appointment to the Board and further announcements will be made in this regard in due course.