Tethys Oil

Report Publication Announcement • Sep 14, 2015

Press release 2015-09-14

Production update August 2015

Tethys' share of the production, before government take, from Blocks 3 and 4 onshore the Sultanate of Oman amounted in August 2015 to 308,443 barrels of oil, corresponding to 9,950 barrels of oil per day.

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 8 505 947 00

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The information in this press release has been made public by the Company in accordance with the Securities Market Act and/or the Financial Instruments Trading Act.

Tethys Oil AB (publ)

Tethys Oil is a Swedish energy company focused on exploration and production of oil. Tethys Oil's core area is the Sultanate of Oman, where the company is one of the largest onshore oil concession holders with a current net production of approximately 10,000 barrels of oil per day. Tethys Oil also has exploration and production assets onshore Lithuania and France. The shares are listed on Nasdaq Stockholm (TETY).

Website: www.tethysoil.com