Notice and Access: Marathon Ramps Up Production on Deepwater Gulf of Mexico Droshky Development

HOUSTON, Sept. 8 /PRNewswire/ -- Marathon Oil Corporation (NYSE: MRO) provided an update today on its Droshky development in the deepwater Gulf of Mexico, which began operations on time and under budget on July 15, 2010, and has since ramped up production to approximately 45,000 net barrels of oil equivalent per day (boepd), consisting of approximately 39,000 barrels per day of liquid hydrocarbons and 39 million cubic feet per day of natural gas. Marathon owns a 100 percent working interest in Droshky.

A complete, full-text news release regarding this announcement will be accessible by visiting Marathon's website at: http://www.marathon.com/press_releases.

Media Relations Contacts:

Lee Warren

713-296-4103


John Porretto

713-296-4102




Investor Relations Contacts:

Howard Thill

713-296-4140


Chris Phillips

713-296-3213



SOURCE Marathon Oil Corporation