Sasol Limited (Sasol) is an integrated energy and chemicals company. Sasol mines coal in South Africa and produce natural gas and condensate in Mozambique, oil in Gabon and shale gas in Canada. In South Africa it refines imported crude oil and retail liquid fuels. It has chemical manufacturing and marketing operations in South Africa, Europe, the Middle East, Asia and the Americas. It operates in four segments: South African energy cluster, International Energy Cluster, Chemical Cluster and Other businesses. Effective March 31, 2013, Sasol Olefins & Surfactants sold G.D. Portbury Ltd. On 16 August 2013, Sasol Investment Company (Pty) Limited, a wholly owned subsidiary of Sasol, entered into a definitive sale and share purchase agreement pursuant to which Main Street 1095 (Pty) Limited, completed the acquisition of 100% of the interest of SPI International (Pty) Limited (SPII). SPII is the indirect owner of a 50% interest in the Iranian joint venture, Arya Sasol Polymer Company.