Deputy Chief Executive Officer Appointed

February 14, 2010


Tethys Petroleum Limited (“Tethys” or the “Company”) (TSX: TPL) today announced the appointment of Mr. Julian Hammond as Deputy Chief Executive Officer of the Company. Mr. Hammond will retain his current position as Chief Commercial Officer but, in addition to this, will act as deputy to Dr. David Robson, Chief Executive Officer.

Mr. Hammond, who is an economist by training, has worked in the oil and gas sector in the former Soviet Union since 1998 and has been involved with Tethys since its inception.

Dr. David Robson, Chairman, President and Chief Executive Officer of Tethys commented, “I am extremely pleased to see Mr. Hammond appointed to this new position. This will provide additional depth to the Company as we grow and develop our existing projects in Central Asia, notably our Kazakh oil discovery, our extremely attractive Tajik acreage and seeking additional projects to complement our current oil production project in Uzbekistan. Tethys is building on its established reputation in the region as a whole and Mr. Hammond’s role as my deputy will greatly assist in giving us additional potential to further develop our business in this prolific oil and gas area.”

Julian Hammond, Deputy Chief Executive Officer of Tethys, commented, “I am delighted with my appointment and look forward to my new role in this extremely important year for Tethys. Our team is working very hard in all three countries of our operations and we expect that hard work to deliver results for our shareholders this year and beyond.”

Tethys is focused on oil and gas exploration and production activities in Central Asia with activities currently in the Republics of Tajikistan, Kazakhstan and Uzbekistan. This highly prolific oil and gas area is rapidly developing and Tethys believes that significant potential exists in both exploration and in discovered deposits.

This press release contains “forward-looking information” which may include, but is not limited to, statements with respect to our operations. Such forward-looking statements reflect our current views with respect to future events and are subject to certain risks, uncertainties and assumptions. See our Annual Information Form for the year ended December 31, 2009 for a description of risks and uncertainties relevant to our business, including our exploration activities.

Contacts: Tethys Petroleum Limited Sabin Rossi Vice President Investor Relations +1 416 572 2065 +1 416 572 2201 (FAX) Tethys Petroleum Limited TD Canada Trust Tower 161 Bay Street, 27th Floor Toronto N5J 2S1, Canada In Asia-Pacific Quam IR Anita Wan Associate Director + (852) 2217-2999 Quam IR 3/F Fung House 19-20 Connaught Road Central Hong Kong SAR, PRC
SOURCE: Tethys Petroleum Limited