Form
20-F x
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Form
40-F o
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Yes o
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No x
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GERDAU
S.A.
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By:
/s/Osvaldo Burgos
Schirmer
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Name: Osvaldo
Burgos Schirmer
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Title:
Chief Financial Officer
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Exhibit
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Description
of Exhibit
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99.1
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Gerdau
S.A. Consolidated Management Report, February 12, 2008
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