TREX CO INC

Ticker: TREX CUSIP: 89531P105 Class: Common Stock

FORT WASHINGTON INVESTMENT ADVISORS INC /OH/'s Holding History (CIK: 0001009016)

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

Q4 2013

Shares 14,345 Value ($000) $1,141 Avg Close $8.18 Range $5.78 - $10.38

Q3 2013

Shares 35,418 Value ($000) $1,754 Avg Close $5.82 Range $5.16 - $6.51

Q2 2013

Shares 95,648 Value ($000) $4,542 Avg Close $6.43 Range $5.66 - $7.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	14,345	$1,141	$8.18	$5.78 - $10.38
Q3 2013	35,418	$1,754	$5.82	$5.16 - $6.51
Q2 2013	95,648	$4,542	$6.43	$5.66 - $7.25