Horizon Oil Limited announced that the appointment of Mike Harding as an independent non-executive director of company. Mr. Harding will also be appointed the new Chairman of company on the retirement of Mr. John Humphrey at the close of the company's annual general meeting. Mr. Harding brings considerable oil and gas experience to the board with over 25 years of international experience with British Petroleum (BP) in exploration, production and business management. Mr. Harding is presently the Chairman of the Lynas Corporation Limited and Downer EDI Limited and a non-executive director of Cleanaway Waste Management Limited. He is a former Chairman of ROC Oil Limited, Clough Limited and ARC Energy Limited. He is a former non-executive director of Santos Limited.