Midwest Generation President Named to Cummins Board

COLUMBUS, Ind.--July 13, 2004--Cummins Inc. announced today that Georgia Nelson, President of Midwest Generation EME LLC, has been elected to the Company's Board of Directors. Nelson, whose term begins immediately, becomes the eighth member of the Cummins Board.

Nelson has been President of Midwest Generation since the company's formation as a subsidiary of Edison Mission Energy in 1999. Midwest Generation, headquartered in Chicago, is one of the largest independent power producers in the United States. The company primarily produces electricity to be sold wholesale on the open market, and owns 12 power generation facilities in Illinois and supervises the operation of a facility in Western Pennsylvania.

Nelson also serves as General Manager of Edison Mission Energy - Americas, overseeing 16 Edison Mission facilities outside Illinois in addition to Edison Marketing and Trading, a Boston-based energy marketing subsidiary.

"We're excited to have Georgia join the Board of Directors," said Cummins Chairman and CEO Tim Solso. "She is a seasoned executive whose experience in the power generation industry will be especially valuable to Cummins. We look forward to her contributions and counsel."

Nelson will serve on the Board's Finance committee and Environment and Technology committee. Her current term will run through the Company's next annual meeting, which is scheduled for April 2005. All Cummins directors are elected annually. Two Cummins Directors - Lead Director Frank Thomas and Walter Elisha - retired from the board in April.

Nelson also serves as a Director for Tower Automotive Inc. and has served on the Executive Committee of the National Coal Council, an advisory committee to the Department of Energy, for the past two Presidential administrations. She is a trustee of the Manufacturers Alliance, a director of the Chicagoland Chamber of Commerce and is active in a number of other Chicago-area business organizations.

She earned a bachelor's degree from Pepperdine University and her MBA from the University of Southern California. Nelson and her husband live in Chicago.

Cummins Inc., a global power leader, is a corporation of complementary business units that design, manufacture, distribute and service engines and related technologies, including fuel systems, controls, air handling, filtration, emission solutions and electrical power generation systems. Headquartered in Columbus, Indiana, (USA) Cummins serves its customers through more than 680 company-owned and independent distributor locations in 137 countries and territories. Cummins also provides service through a dealer network of more than 5,000 facilities in 197 countries and territories. With more than 24,000 employees worldwide, Cummins reported sales of $6.3 billion in 2003.