MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

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

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

Q1 2014

Shares 1,886,675 Value ($000) $81,957 Avg Close $37.96 Range $32.27 - $44.03

Q4 2013

Shares 2,122,475 Value ($000) $69,449 Avg Close $31.66 Range $29.76 - $34.17

Q3 2013

Shares 1,997,350 Value ($000) $60,520 Avg Close $32.84 Range $28.88 - $35.31

Q2 2013

Shares 2,305,250 Value ($000) $75,842 Avg Close $30.13 Range $26.27 - $33.97

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	1,886,675	$81,957	$37.96	$32.27 - $44.03
Q4 2013	2,122,475	$69,449	$31.66	$29.76 - $34.17
Q3 2013	1,997,350	$60,520	$32.84	$28.88 - $35.31
Q2 2013	2,305,250	$75,842	$30.13	$26.27 - $33.97