PORTO ALEGRE, Brazil, Jan. 19, 2015 /PRNewswire/ -- We announce that the Board of Directors Meeting of GERDAU S.A. held on January 19th, 2015, decided to authorize the Company to acquire up to 30,000,000 preferred shares (GGBR4) or American Depositary Receipts – ADRs (GGB) of its own issue.

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SOURCE Gerdau S.A.