Exclusive-Aster Chemicals to bid for Exxon Mobil's Singapore fuel stations, sources say

SINGAPORE (Reuters) -Aster Chemicals and Energy, the new operator of the Bukom refining complex, is planning to bid for Exxon Mobil's petrol stations in Singapore, five people with knowledge of the matter said, as the refiner seeks retail fuel sales outlets. The sale of the Exxon Mobil retail outlets is entering the formal bidding stage with binding offers due in May, two of the sources said. The sale has attracted the interest of private equity firms and asset managers, the same two sources said, although it was not clear which financial firms plan to bid.