ArvinMeritor Awarded Contract to Supply Drum Brakes to Mack Trucks, Inc.

TROY, Mich., Jan. 28, 2005 -- ArvinMeritor, Inc. announced today its Commercial Vehicle Systems (CVS) business group has been awarded a major three-year supply contract to supply its Meritor(R) Q Plus(TM) cam brakes to Mack Trucks, Inc.

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Meritor Q Plus brakes will continue to be standard equipment on all Mack vehicles. Introduced in 1991, the Q Plus is the industry's most popular air brake, and is standard equipment on more North American heavy- and medium-duty trucks than any other brand. The standard brake offering is designed to reduce brake system maintenance and downtime, and features linings with extra thickness at the maximum wear point; heavy-duty shoe return springs; and parts commonality between steer, drive and trailer brakes.

The High-Performance Q Plus cam brake offering consists of larger 16.5" x 5" brakes on the front steer axle, coupled with standard 16.5" x 7" brakes on the rear axle. The package was designed to provide 30 percent to 60 percent more brake torque than conventional cam brakes, which translates into 20 percent to 25 percent shorter stopping distances on typical tractor-trailer combinations. The front steer axle brake is also designed with 65 percent more wearable lining volume than the standard 15" x 4" brakes, which extends service life.

Standard and High-Performance Q Plus brakes for the Mack contract will be provided through the company's Manning, S.C., and Tilbury, Ont., Canada, facilities.

Dedicated to quality, reliability, and total customer satisfaction, Mack Trucks, Inc. has provided its customers with innovative transportation solutions for more than a century.

Today, Mack is one of North America's largest producers of heavy-duty trucks, and MACK(R) vehicles are sold and serviced in more than 45 countries worldwide. All Mack manufacturing locations are certified to the internationally recognized ISO 14001 standard for environmental management systems. Mack is also a proud sponsor of Share the Road, an American Trucking Associations' public information campaign aimed at enhancing the safety of our nation's roadways.

Mack is a member of the Volvo Group, a publicly held company headquartered in Gothenburg, Sweden. With annual sales of approximately $22 billion, Volvo business areas include heavy trucks, buses, construction equipment, marine and industrial drive systems, aerospace, and financial services. In the United States, Volvo shares are listed on NASDAQ and are traded as ADRs (symbol: VOLVY).

ArvinMeritor, Inc. is a premier $8 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. Headquartered in Troy, Mich., ArvinMeritor employs approximately 31,000 people at more than 120 manufacturing facilities in 25 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: http://www.arvinmeritor.com/ .

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