OI S.A.

CUSIP: 670851203 Class: SPN ADR REP PFD

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q3 2014
Shares 248,265 Value ($000) $174 Avg Close — Range —
Q2 2014
Shares 261,081 Value ($000) $225 Avg Close — Range —
Q1 2014
Shares 70,513 Value ($000) $94 Avg Close — Range —
Q4 2013
Shares 71,389 Value ($000) $114 Avg Close — Range —
Q3 2013
Shares 74,524 Value ($000) $137 Avg Close — Range —
Q2 2013
Shares 69,419 Value ($000) $125 Avg Close — Range —