QUANTA SVCS INC

Ticker: PWR CUSIP: 74762E102 Class: Common Stock

VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.'s Holding History (CIK: 0001021642)

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

Q3 2014

Shares 431,575 Value ($000) $15,661 Avg Close $34.89 Range $32.23 - $36.77

Q2 2014

Shares 427,500 Value ($000) $14,784 Avg Close $33.95 Range $31.88 - $36.70

Q1 2014

Shares 584,725 Value ($000) $21,576 Avg Close $32.74 Range $29.28 - $36.57

Q4 2013

Shares 505,625 Value ($000) $15,958 Avg Close $28.83 Range $26.21 - $31.00

Q3 2013

Shares 463,175 Value ($000) $12,742 Avg Close $26.53 Range $25.08 - $28.57

Q2 2013

Shares 440,900 Value ($000) $11,667 Avg Close $27.23 Range $24.78 - $29.98

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	431,575	$15,661	$34.89	$32.23 - $36.77
Q2 2014	427,500	$14,784	$33.95	$31.88 - $36.70
Q1 2014	584,725	$21,576	$32.74	$29.28 - $36.57
Q4 2013	505,625	$15,958	$28.83	$26.21 - $31.00
Q3 2013	463,175	$12,742	$26.53	$25.08 - $28.57
Q2 2013	440,900	$11,667	$27.23	$24.78 - $29.98