QUANTA SVCS INC

Ticker: PWR CUSIP: 74762E102 Class: Common Stock

THOMPSON SIEGEL & WALMSLEY LLC's Holding History (CIK: 0001008322)

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

Q4 2014

Shares 700 Value ($000) $20 Avg Close $30.81 Range $24.86 - $35.65

Q3 2014

Shares 700 Value ($000) $25 Avg Close $34.89 Range $32.23 - $36.77

Q2 2014

Shares 1,000 Value ($000) $35 Avg Close $33.95 Range $31.88 - $36.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	700	$20	$30.81	$24.86 - $35.65
Q3 2014	700	$25	$34.89	$32.23 - $36.77
Q2 2014	1,000	$35	$33.95	$31.88 - $36.70