GERDAU, S.A. PREFERENTES revenue for the last year amounted to 12.84 B EUR, the most of which — 5.01 B EUR — came from its highest performing source at the moment, North America Operation, the year earlier bringing 5.47 B EUR. The greatest contribution to the revenue figure was made by North America — last year it brought GERDAU, S.A. PREFERENTES 6.18 B EUR, and the year before that — 6.64 B EUR.