OI S.A.

CUSIP: 670851203 Class: SPN ADR REP PFD

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q2 2013
Shares 100,000 Value ($000) $180 Avg Close — Range —
Q1 2013
Shares 100,000 Value ($000) $304 Avg Close — Range —