Exhibit 10.3 STOCK PURCHASE AGREEMENT FOR THE ACQUISITION OF 100% OF THE SHARES OF CORPORACION ACEROS DM, S.A. DE C.V. AND CERTAIN SHARES OF THE SUBSIDIARIES LISTED HEREINStock Purchase Agreement • July 1st, 2008 • Group Simec Sa De Cv • Steel works, blast furnaces & rolling mills (coke ovens)
