GERDAU SA

Ticker: GGB CUSIP: 373737105 Class: ADR

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

Note: Option positions (PUT/CALL) are excluded.

Q1 2014
Shares 234,977 Value ($000) $1,506 Avg Close — Range —
Q4 2013
Shares 235,177 Value ($000) $1,844 Avg Close — Range —
Q3 2013
Shares 235,277 Value ($000) $1,755 Avg Close — Range —
Q2 2013
Shares 235,127 Value ($000) $1,343 Avg Close — Range —