Fluor's Clean-Fuels Expertise Tapped by Marathon Ashland Petroleum LLC

October 6, 2003

Fluor Corporation (NYSE: FLR) today announced that it has been selected by Marathon Ashland Petroleum LLC (MAP) to provide services on the upgrade of the joint venture's Robinson, Ill., refinery to meet Environmental Protection Agency tier-II clean-fuels regulations for gasoline. The lump sum contract value to Fluor was booked in the company's second quarter.

This project marks the first clean gasoline post-treating unit for MAP's Illinois Refining Division. Fluor is responsible for engineering, procuring and installing the grass roots post-treater portion of the project.

Construction is scheduled to commence in October, and completion is expected in the first quarter of 2005. Fluor's offices in Aliso Viejo, Calif., and Mexico City, Mexico, will perform the work.

"We are pleased to be involved in this important project for Marathon Ashland Petroleum and to apply our significant experience with clean-fuel solutions dating back to the CARB days in California," said Kirk Grimes, Fluor's group executive of Oil & Gas.

Based in Findlay, Ohio, Marathon Ashland Petroleum LLC (MAP) is the nation's sixth largest refiner with 935,000 barrels-per-day capacity in its seven-refinery system. MAP is 62 percent owned by Marathon Oil Corporation (NYSE: MRO) and 38 percent owned by Ashland Inc. (NYSE: ASH).

Fluor Corporation (NYSE: FLR) provides services on a global basis in the fields of engineering, procurement, construction, operations, maintenance and project management. Headquartered in Aliso Viejo, Calif., Fluor is a Fortune 500 company with revenues of $10 billion in 2002. For more information, visit www.fluor.com .

For further information, please contact: Media Relations, Jerry Holloway, +1-949-349-7411, or Lori Serrato, +1-949-349-7420, or Investor Relations, Lila Churney, +1-949-349-3909, fax, +1-949-349-5375, all of Fluor Corporation; or Linda Casey of Marathon Ashland Petroleum LLC, +1-419-421-3262.

Media Relations, Jerry Holloway, +1-949-349-7411, or LoriSerrato, +1-949-349-7420, or Investor Relations, Lila Churney,+1-949-349-3909, fax, +1-949-349-5375, all of Fluor Corporation; or LindaCasey of Marathon Ashland Petroleum LLC, +1-419-421-3262//Web site: http://www.fluor.com /