Monterrey, Mexico. August 22, 2005. The Techint Group, an international group of companies with global operations focused principally in the steel and energy sectors, announced the successful conclusion of the public tender it launched in México for the purchase of all representative share capital of Hylsamex S.A. de C.V., a Mexican producer of long and flat steel (Hylsamex). Techint, through its subsidiaries I.I.I. - Industrial Investments Inc. (I.I.I.) -and the Argentine flat steel producer Siderar S.A.I.C. (Siderar), now controls a 99.3% of Hylsamex’s total capital share.

According to the terms of the tender recently concluded, and Mexican regulations, Techint will delist the shares of Hylsamex from the Mexican Stock Exchange. Techint, which also controls Sidor, a Venezuelan flat and long steel producer, and Siderar, is currently consolidating within a single entity its direct and indirect holdings in the flat and long steels producers to form a new company which is expected to become the leading steel producer in Latin America, as well as an relevant exporter.

The new company, named Ternium and incorporated in Luxembourg, will have an annual steelmaking capacity of 12 million tons, annual revenues of approximately US$5 billion and produce a wide range of flat, long and coated steel products. This press release does not constitute an offer or sale of securities in any jurisdiction.