In Kazakhstan, Tethys Petroleum is operating through its wholly owned subsidiaries, TethysAralGas LLP and Kul-Bas LLP, under four contracts in the North Ustyurt basin to the west of the Aral Sea adjacent to the prolific Pre-Caspian basin. It has a 100% working interest in the Kyzyloi Production Contract (449 sq. km), Akkulka Exploration Licence and Contract (827 sq. km), Akkulka Production Contract (396 sq. km) and Kul-Bas Exploration and Production Contract (7,632 sq. km).