Transmission Patent Infringement Rehearing Denied

TROY, Mich., May 14, 2003 -- ArvinMeritor, Inc. announced today that the Court of Appeals for the Federal Circuit (CAFC) denied Eaton Corp.'s petition for a rehearing in the patent infringement lawsuit against the company. The original ruling of the CAFC, in which ArvinMeritor won the lawsuit, still stands.

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As stated in ArvinMeritor's original press release dated April 3, 2003, the CAFC found that ArvinMeritor did not infringe on the patent. Eaton's claim was against ArvinMeritor's ZF Meritor Engine Synchro Shift(TM) (ESS) transmission system.

ArvinMeritor, Inc. is a premier $7-billion global supplier of a broad range of integrated systems, modules and components to the motor vehicle industry. The company serves light vehicle, commercial truck, trailer and specialty original equipment manufacturers and related aftermarkets. In addition, ArvinMeritor is a leader in coil coating applications. The company is headquartered in Troy, Mich., and employs 32,000 people at more than 150 manufacturing facilities in 27 countries. ArvinMeritor common stock is traded on the New York Stock Exchange under the ticker symbol ARM. For more information, visit the company's Web site at: www.arvinmeritor.com .

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