WORLD'S BIGGEST OIL RE-REFINERY

July 23, 1991

Safety-Kleen Corporation announced the opening of the world's largest oil re-refinery in East Chicago, Ind. The company expects the $50 million facility to process 75 million gallons of used automotive and industrial oil per year, yielding 43 million gallons of new lubricating oil and other products. The new plant doubles North America's capacity for oil re-refining.