TAIF Group, which includes NKNKh and Kazanorgsintez, merges its oil and gas chemical businesses with Sibur. According to the agreements reached Sibur will receive 51% of TAIF's shares in exchange for 15% of shares of the united company. The remaining TAIF's stake can be later bought by the merged company. After completion of all investment projects the united company will be among top-5 global leaders in polyolefins and rubbers production with combined capacities of 8 mln tons of polyolefins and 1.2 mln tons of rubbers.