Operator
Operator
Welcome to the Marathon Petroleum Corporation Fourth Quarter 2012 Earnings Conference Call. My name is John, and I will be your operator for today's call. At this time, all participants are in a listen-only mode. Later, we will conduct a question-and-answer session. Please note that this conference is being recorded. I will now turn the call over to Ms. Pam Beall. Ms. Beall, you may begin.