TERNIUM ARGENTINA SOCIEDAD ANONIMA Stock Buenos Aires S.E.

Ternium Argentina SA, formerly Siderar SAIC, is an Argentina-based company engaged in the steel industry. The Company's activities are divided into three segments: Coated steel, Uncoated steel and Others. The Coated steel division focuses on the production of galvanized, electrogalvanized, pre-painted and tinplate steel sheets. The Uncoated steel division is responsible for the manufacture of hot and cold rolled steel. The Others division includes steel slabs, ingot castings, as well as steel overrolling. Its products are used in various industries, such as automotive, construction, industrial machinery and commercial equipment. The Company operates in North and South America. The Company's subsidiaries include Prosid Investments SCA. It is controlled by Ternium Internacional Espana SL.