URGENT ¥¥¥ BHP Billiton CEO Marius Kloppers to retire May 10: board

BHP Billiton announced Wednesday that Marius Kloppers will retire as CEO on May 10 and be replaced by the global mining giant's chief executive non-ferrous Andrew MacKenzie.

The 56-year-old MacKenzie has over 30 years experience in oil and gas, petrochemicals and minerals and joined BHP Billiton in November 2008, the company said in a statement.