DRDGOLD Limited (DRDGOLD) is a South Africa-based surface gold retreatment company. DRDGOLD operates in a single segment, Ergo. Ergo is a surface retreatment operation and treats old slime and sand dumps to the south of Johannesburg's central business district, as well as the east and central Rand goldfields. The operation consists of four plants: Brakpan, Crown, City and Knights. Included in the Ergo segment is the East Rand Proprietary Mines Limited (ERPM) surface operation comprise the Cason retreatment operation. Ergo is evaluating the viability of processing surface uranium- and sulphur-bearing tailings on the east and central Rand goldfields of South Africa. The Company's business includes Crown Gold Recoveries (Pty) Limited (Crown), Ergo Mining (Pty) Limited (Ergo JV) and ErgoGold are jointly referred to as ERGO and ERPM. On June 1, 2012, the Company disposed of its 74% interest in and loan claims against Blyvoor.