Mittal Steel Co. NV is merging wholly owned U.S. operating subsidiaries Mittal Steel USA ISG Inc. and Ispat Inland Inc.

Under the proposed transaction, Inland will be merged with and into ISG, with ISG being the surviving corporation of the merger. Following consummation of the merger, ISG will be renamed Mittal Steel USA Inc.

Mittal Steel says that the merger is an important step in its ongoing U.S. integration plan, following the acquisition of ISG on April 15, 2005. The merger, which is subject to customary regulatory and third-party approvals, is expected to close near the end of 2005 or early in 2006.

Mittal Steel USA is North America's largest steelmaker and serves a broad U.S. manufacturing base. The company was formed in April 2005 and consists of Ispat Inland Inc. and Mittal Steel USA ISG Inc., formerly International Steel Group. It has operations in 12 U.S. states.

Mittal Steel Co. NV is the world's largest and most global steel company. The company has operations in 16 countries, on four continents. Mittal Steel encompasses all aspects of modern steelmaking, to produce a comprehensive portfolio of both flat and long steel products to meet a wide range of customer needs. It serves all the major steel-consuming sectors, including automotive, appliance, machinery and construction. For 2004, Mittal Steel had revenues of US$22.2 billion and steel shipments of 42.1 million tons.