Tethys Oil AB (publ) focuses on the exploration and production of oil and natural gas properties. It holds 50% interests in the Block 49 covering approximately 15,439 square kilometers; 30% interest in the Blocks 3&4, which has net working interest of 26,174 thousand barrels of oil (mbo) of proven and probable reserves and 2C contingent resources of 15,600 mbo; 65% interest in the Block 56 covering approximately 5,808 square kilometers located in the southeastern part of the Sultanate of Oman; and 100% interest in the Block 58 covering approximately 4,557 square kilometers located in the Dhofar Governorate in the southern part of the Sultanate of Oman. Tethys Oil AB (publ) was incorporated in 2001 and is headquartered in Stockholm, Sweden.