Tethys Oil AB (publ) explores for and produces oil and natural gas properties in the Sultanate of Oman. It holds 100% interests in the Block 49 covering approximately 15,439 square kilometers; 30% interest in the Blocks 3&4 covering approximately 29,130 square kilometers; 65% interest in the Block 56 covering approximately 5,808 square kilometers; and 100% interest in the Block 58 covering approximately 4,557 square kilometers located in the Sultanate of Oman. Tethys Oil AB (publ) was incorporated in 2001 and is headquartered in Stockholm, Sweden.