Press release Wieland-Werke AG Graf-Arco-Str. 36 89079 Ulm Joint Venture: Wieland buys equity interest in Wolverine Tube Shanghai As from 14 March 2008, the Wieland Group establishes a joint venture with Wolverine Tube Shanghai Co., Ltd., a Shanghai-based manufacturer of enhanced tubes for air conditioning and refrigeration. Wieland purchases a 30% equity interest in Wolverine Tube Shanghai with an option to acquire an additional 20% share. Based on this partnership, Wieland and Wolverine will manufacture and distribute enhanced tubes as a primary component of large air conditioning and refrigeration systems. From Shanghai, they will exclusively supply the AsiaPacific region, including all countries in Asia, Australia and Oceania. Asian countries, in particular China, are experiencing a strong increase in demand for products for air conditioning and refrigeration applications. The cooperation with Wolverine in China enables Wieland to extend its product offering and range of services in the Asia-Pacific region. Wieland is already one of the leading European and North American suppliers of air conditioning and refrigeration tubes. Wolverine Tube Shanghai Co., Ltd. Wolverine Tube Shanghai Co., Ltd., a subsidiary of North American Wolverine Tube, Inc. with approx. 220 employees, achieved a turnover of 60 million US $ in 2007. Wolverine Tube, Inc. The Delaware-based company, established in 1916, is one of the world’s leading manufacturers of copper and copper alloy tubes. As of 31 December 2007, Wolverine Tube, Inc. had a total of 2,115 employees worldwide. Further information is available at www.wlv.com. The Wieland Group The Wieland Group with headquarters in Ulm, Germany, is one of the world’s leading manufacturers of semi-finished and special products in copper and copper alloys. Semi-finished products are strip, sheet, tube, rod, wire and sections. Special products include slide bearings, finned tubes and heat exchangers. The Wieland Group has more than 30 production sites, slitting centres and trading companies in Europe, China, Singapore, South Africa and the United States. Wieland-Werke AG operates four plants in Ulm, VelbertLangenberg, Villingen-Schwenningen and Vöhringen. The global workforce of the Wieland Group is approx. 6,500 strong of which 4,000 are employed in Germany. Ulm, 20 March 2008