J. Roger B. Phillimore

Sibanye UK Ltd. engages in the extracting, refining, and trading of platinum group metals (PGM). It operates through the following segments: PGM Operations which comprise operational mines and processing facilities which are located in South Africa. This segment also includes exploration and evaluation activities involved in the discovery or identification of new PGM deposits and the evaluation through pre-feasibility of the economic viability of newly discovered PGM deposits. The company was founded on May 13, 1909 and is headquartered in London, the United Kingdom.

Dominion Diamond Mines ULC engages in the mining and marketing of rough diamonds. It operates through the projects: Lac de Gras Diamond, Ekati and Diavik Diamond Mines. The company was founded by David Grenville Thomas on April 19, 1994 and is headquartered in Calgary, Canada.