Petroleum refinery operator Marathon Petroleum Corp. (NYSE:MPC) has agreed to sell Speedway, its Enon, Ohio-based retailing arm, to the corporate owner of international convenience store chain 7-Eleven for $21 billion.
Seven & i Holdings Co., the Tokyo-based parent of 7-Eleven Inc., will add more than 3,900 Speedway stores in 35 states to its U.S. footprint as part of the all-cash transaction, the company said in a statement Sunday.
Marathon said the agreement should generate about $16.5 million…
