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March 11, 2005
 
Marathon Ashland Petroleum President, Gary R. Heminger, to Participate in A.G. Edwards Energy Conference
 
by HNN Staff
 
Houston, Tex. (HNN) — Marathon Oil Corporation (NYSE: MRO) announced today that Gary R. Heminger, president of Marathon Ashland Petroleum LLC, will speak at the A.G. Edwards Energy Conference on Tuesday, March 15, beginning at 11:30 am EST.
 
A live audio Web cast of Heminger's remarks will be accessible via Marathon's Web site at http://www.marathon.com . The presentation is expected to last 25 minutes and may include forward-looking information. Audio replays of the presentation will be available on Marathon's Web site through March 29, 2005. The slides used in the presentation will be available online in a downloadable format for one year along with other investor-related materials.