San Leon Energy plc announced the Board will be strengthened by the appointment of Mr. Mutiu Sunmonu as Non-Executive Chairman, Mr. Joel Price as Chief Operating Officer, Mr. Alan Campbell as Commercial & Business Development Director, Mr. Ewan Ainsworth as Finance Director and Messrs. Nick Butler and Mark Phillips as Non-Executive Directors. Mr. Oisin Fanning will assume the role of Chief Executive Officer and Mr. Ray King will remain as Non-Executive Director and company Secretary, whilst Mr. Paul Sullivan and Mr. Daniel Martin will resign from the Board.