MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

Private Harbour Investment Management & Counsel, LLC's Holding History (CIK: 0001453526)

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

Q3 2018

Shares 19,475 Value ($000) $870 Avg Close $46.29 Range $40.20 - $53.45

Q2 2018

Shares 20,485 Value ($000) $1,040 Avg Close $48.31 Range $43.90 - $54.70

Q1 2018

Shares 20,535 Value ($000) $966 Avg Close $50.70 Range $44.70 - $55.53

Q4 2017

Shares 21,555 Value ($000) $1,055 Avg Close $44.61 Range $39.83 - $51.20

Q3 2017

Shares 21,583 Value ($000) $1,001 Avg Close $43.56 Range $38.40 - $49.50

Q2 2017

Shares 21,993 Value ($000) $993 Avg Close $43.26 Range $38.33 - $47.90

Q1 2017

Shares 22,868 Value ($000) $916 Avg Close $38.26 Range $34.33 - $41.90

Q4 2016

Shares 22,158 Value ($000) $848 Avg Close $33.93 Range $27.10 - $40.90

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	19,475	$870	$46.29	$40.20 - $53.45
Q2 2018	20,485	$1,040	$48.31	$43.90 - $54.70
Q1 2018	20,535	$966	$50.70	$44.70 - $55.53
Q4 2017	21,555	$1,055	$44.61	$39.83 - $51.20
Q3 2017	21,583	$1,001	$43.56	$38.40 - $49.50
Q2 2017	21,993	$993	$43.26	$38.33 - $47.90
Q1 2017	22,868	$916	$38.26	$34.33 - $41.90
Q4 2016	22,158	$848	$33.93	$27.10 - $40.90