Tethys Oil

Report Publication Announcement • Jan 16, 2013

Press release 2013-01-16

OMAN ASSET PRODUCTION AVERAGED 14,734 BOPD IN DECEMBER

The production from Blocks 3 and 4 onshore the Sultanate of Oman amounted in December 2012 to 456,762 barrels of oil, corresponding to 14,734 barrels of oil per day (BOPD). Tethys' share of the production, before government take, amounts to 30 per cent of the total, or 137,029 barrels.

The total production in 2012 from the Blocks amounted to 4.49 million barrels of oil, corresponding to 12,257 BOPD. Tethys' share of the production, before government take, amounted to 1.35 million barrels corresponding to 3,677 BOPD.

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, Lithuania and Sweden. The shares are listed on First North (TETY) in Stockholm. Remium AB is Certified Adviser.

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Website: www.tethysoil.com