Tethys Oil

Delisting Announcement • Apr 25, 2013

Press release 2013-04-25

Tethys Oil has been approved for listing on NASDAQ OMX Stockholm, publishes prospectus and discloses shareholders' equity as of 28 February 2013

NASDAQ OMX Stockholm's Listing Committee has approved Tethys Oil AB (publ) ("Tethys Oil") to be listed on the main market and the shares of Tethys Oil will consequently be delisted from NASDAQ OMX First North. The first day of trading in Tethys Oil's share on the main market is planned to be 2 May 2013 and the last day of trading on NASDAQ OMX First North will therefore be 30 April 2013. The share will be traded under the same ticker as before, i.e. "TETY". The share will also keep the same ISIN as before, i.e. SE0001176298. No new shares are issued and shareholders in Tethys Oil do not need to take any action in connection with the listing.

More information can be found in the prospectus dated 23 April 2013 ("the Prospectus") that has been prepared in connection with the listing and has been approved by the Swedish FSA (Sw: Finansinspektionen). The prospectus is available on Tethys Oil's website, www.tethysoil.com, and on Pareto Öhman's website, www.paretosec.com. As a result of publishing the prospectus, Tethys Oil also discloses shareholders' equity as of 28 February 2013, which amounted to MSEK 906.3 compared to shareholders' equity as of 31 December 2012 which amounted to MSEK 860.1.

Pareto Öhman AB is acting as financial advisor to Tethys Oil and Gernandt & Danielsson Advokatbyrå KB as legal advisor in connection with the listing.

"After nine years and one month on the First North list, we are delighted to enter the Mid Cap segment of the NASDAQ OMX Stockholm exchange. We believe this to be an excellent platform for continued growth," comments Tethys Oil's managing director Magnus Nordin.

For further information, please contact

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

Tethys Oil discloses the information provided herein pursuant to the Securities Markets Act and/or the Financial Instruments Trading Act. The information was submitted for publication at 10.15 CET on 25 April 2013.

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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.

Website: www.tethysoil.com