South Korea-based companies Hyundai Oilbank Co. Ltd. and S-Oil Corporation have agreed to plead guilty to criminal charges and pay a total of approximately $75 million in criminal fines for their involvement in a bid-rigging conspiracy that targeted contracts to supply fuel to United States Army, Navy, Marine Corps, and Air Force bases in South Korea, the Department of Justice announced today. Hyundai Oilbank and S-Oil have agreed to plead guilty to an antitrust charge contained in a superseding indictment that was unsealed today.