Fitch Ratings announced on May 31st that ConocoPhillips' acquisition of Marathon Oil will not immediately affect its rating. ConocoPhillips acquired Marathon Oil for a corporate value of $22.5 billion, including $5.4 billion in net debt. This transaction has brought multiple benefits to ConocoPhillips, adding approximately 400000 barrels per day of marathon run rate production to ConocoPhillips' combined production of 1.67 million barrels per day.