CHANGED DATE FOR TETHYS OIL’S INTERIM REPORT

Tethys Oil's interim report for the period 1 January 2012 – 30 June 2012 will
be published on 28 August instead of 20 August as was previously announced.
For further information, please contact

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

Morgan Sadarangani, CFO, phone +46 8 679 49 91; morgan@tethysoil.com

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Tethys Oil AB (publ)

Tethys Oil is a Swedish energy company focused on identification and
development for production of oil and natural gas assets. Tethys’ core area is
the Sultanate of Oman, where the company is the second largest onshore oil and
gas concession-holder with licence interests in three onshore blocks. Tethys
also has licences onshore France, Lithuania and Sweden. Tethys’ strategy is to
invest in projects in areas with known oil and natural gas discoveries that
have not been properly appraised using modern technology. In this way, high
returns can be achieved with limited risk.

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

Website: www.tethysoil.com

About Tethys Oil

Tethys Oil is a Swedish oil company with focus on onshore areas with known oil discoveries. The company’s core area is the Sultanate of Oman, where it holds interests in Blocks 3&4, Block 49 and Block 56. Tethys Oil has net working interest 2P reserves of 26.1 mmbo and net working interest 2C Contingent Resources of 13.5 mmbo and had an average oil production of 12,832 barrels per day from Blocks 3&4 during 2019. The company’s shares are listed on Nasdaq Stockholm (TETY). Website: www.tethysoil.com