Tethys Oil AB is a Sweden-based energy company. The Company is focused on oil and gas exploration and production onshore areas with known discoveries. Its core area of focus is the Sultanate of Oman, where the Company holds licence interests in three onshore blocks. Tethys Oil has licences in three countries altogether: Oman, Lithuania and France. Two of the licenses are in production, namely Blocks 3 & 4 in Oman and Gargzdai in Lithuania. During 2013 the Company also had licenses in Sweden, however, they have expired and were not renewed. As of December 31, 2013, the Company had 10 wholly owned subsidiaries active in Sweden, Gibraltar, Switzerland and the British Virgin Islands, such as Tethys Oil Denmark AB, Tethys Oil Spain AB and Tethys Oil Turkey AB, among others.