TREX CO INC

Ticker: TREX CUSIP: 89531P105 Class: Common Stock

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

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

Q3 2012
Shares 1,529 Value ($000) $52 Avg Close — Range —
Q2 2012
Shares 1,112 Value ($000) $33 Avg Close — Range —