SINA CORP

CUSIP: G81477104 Class: ORD

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

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

Q2 2012
Shares 11,000 Value ($000) $570 Avg Close — Range —
Q1 2012
Shares 12,600 Value ($000) $819 Avg Close — Range —
Q4 2011
Shares 1,600 Value ($000) $83 Avg Close — Range —
Q3 2011
Shares 8,700 Value ($000) $623 Avg Close — Range —
Q2 2011
Shares 8,700 Value ($000) $906 Avg Close — Range —