(June 23): Petroliam Nasional Bhd (Petronas) is reviving discussions on a potential exit from South African fuel retailer business Engen, people familiar with the matter said.

The Malaysian state energy company is studying options for its 74% stake in Engen, including a sale or initial public offering (IPO), according to the people. It has recently been fielding preliminary interest from potential buyers, the people said, asking not to be identified because the information was private.