TREX CO INC

Ticker: TREX CUSIP: 89531P105 Class: Common Stock

GAM Holding AG's Holding History (CIK: 0001438848)

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

Q2 2019

Shares 9,685 Value ($000) $694 Avg Close $33.89 Range $28.77 - $38.77

Q1 2019

Shares 12,884 Value ($000) $793 Avg Close $34.94 Range $28.86 - $39.69

Q4 2018

Shares 3,963 Value ($000) $230 Avg Close $31.30 Range $25.44 - $38.75

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	9,685	$694	$33.89	$28.77 - $38.77
Q1 2019	12,884	$793	$34.94	$28.86 - $39.69
Q4 2018	3,963	$230	$31.30	$25.44 - $38.75