Impala Platinum Holdings Limited (Implats) is a producer of platinum group metals (PGMs) and associated base metals. Implats has operations on the PGM-bearing orebodies of the Bushveld Complex in South Africa and the Great Dyke in Zimbabwe. PGMs include platinum, and the associated by-products, palladium, rhodium, ruthenium, iridium and gold usually occur in association with nickel and copper. As of June 30, 2012, the Company�s holdings in various mining and exploration activities included Impala Platinum Limited (100%), which includes PGM mining, processing and refining; Impala Refining Services Limited (100%), which is engaged in purchase of concentrate and/or smelter matte; Impala Chrome (Pty) Limited (100%) and Makgomo Chrome (Pty) Limited (50%), which are engaged in purchase of chrome in tailings, and Zimplats Holdings Limited (86.9%), Afplats (Pty) Limited (74%), Marula Platinum (Pty) Limited (73%) and Mimosa Investments Limited (50%), which are engaged in PGM mining.