Tethys Oil

Regulatory Filings • Jan 7, 2014

Press release 2014-01-07

Production update December 2013

Tethys' share of the production, before government take, from Blocks 3 and 4 onshore the Sultanate of Oman amounted in December 2013 to 192,296 barrels of oil, corresponding to 6,203 barrels of oil per day (bopd). The total production from Blocks 3 and 4 amounted in December to 640,988 barrels of oil, corresponding to 20,677 bopd.

The production includes production from Block 3 (Farha South), Block 4 (Saiwan East) and test production from the exploration/appraisal area B4EW4 on Block 4.

Tethys Oil AB, through its wholly owned subsidiary Tethys Oil Block 3 and 4 Ltd, has a 30 per cent interest in Blocks 3 and 4. Partners are Mitsui E&P Middle East B.V. with 20 per cent and the operator CC Energy Development S.A.L. (Oman branch) holding the remaining 50 per cent.

For further information, please contact

Magnus Nordin, Managing Director, phone +46 70 576 6555; magnus@tethysoil.com -----------------------------------------------------------------------------------------------------------------

Tethys Oil AB (publ)

Tethys Oil is a Swedish energy company focused on exploration and production of oil and natural gas. Tethys Oil's core area is Oman, where the company is one of the largest onshore oil and gas concession holders. Tethys Oil also has exploration and production assets onshore France and Lithuania. The shares are listed on NASDAQ OMX Stockholm (TETY) in Stockholm.

Website: www.tethysoil.com