Jersey, Channel Islands, 25 March 2014

Horizon Petroleum plc (“Horizon” or “the Company”) (TSX.V: HPL) is pleased to announce the strengthening of its Board of Directors by the appointment of John Patterson as a Non-Executive Director, and Chairman of the Audit Committee.

Mr Patterson has 35 years experience in the oil and gas industry with a background in acquisitions, financings, corporate governance, tax and accounting.  He gained significant commercial and financial experience at Nexen Inc where as President of Nexen Energy Services (“NESI”), he managed oil and gas assets in several countries, including Yemen and Nigeria. Previously he was NESI’s Chief Financial Officer and Finance Director, and was active in financings and corporate acquisitions. More recently he was Non-Executive Director, and Chairman of the Audit Committee for Tanzania-focused Orca Exploration.  He qualified as a Chartered Accountant at Touche Ross (now Deloitte) and gained a BSc. Special Honours Mathematics at Bristol University.

Yogeshwar Sharma, Chairman of Horizon, commented “John brings a wealth of oil and gas experience to the Board at a time when we continue to negotiate to secure asset acquisitions of reserves and exploration projects in Africa, with country focus including Nigeria and Angola.   The Company plans to further strengthen the Board after the Annual General Meeting on 11 April 2014 through the appointment of one further Non-Executive Director”.

ON BEHALF OF HORIZON PETROLEUM PLC

“Peter Clutterbuck”

Peter Clutterbuck,
President and Chief Executive Officer

Neither the TSX Venture Exchange nor its regulation services provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.