PLAINS EXPL& PRODTN CO

CUSIP: 726505100 Class: COM

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

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

Q1 2013
Shares 5,765 Value ($000) $274 Avg Close — Range —
Q4 2012
Shares 84 Value ($000) $4 Avg Close — Range —
Q3 2012
Shares 63 Value ($000) $2 Avg Close — Range —