ST. PETER PORT, GUERNSEY--(Marketwire - Dec. 1, 2008) - Tethys Petroleum Limited ("Tethys" or the "Company" (TSX:TPL)) is pleased to announce the appointment of Ian Philliskirk as the Company's General Counsel. Ian will take up his position once he has served the relevant notice period with his current employer. He will be responsible for all legal and associated matters within the Tethys Group of Companies related to current and future exploration and development contracts, sales contracts, acquisitions and disposals, financings, corporate compliance etc. Ian will also become a Vice President of the Company and, as a member of the senior management team, will be closely involved in the further development of the Company's business.