MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

22NW, LP's Holding History (CIK: 0001694297)

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

Q1 2019

Shares 37,730 Value ($000) $1,815 Avg Close $44.93 Range $39.30 - $48.77

Q4 2018

Shares 100,845 Value ($000) $4,090 Avg Close $43.06 Range $37.24 - $51.77

Q3 2018

Shares 100,845 Value ($000) $4,503 Avg Close $46.29 Range $40.20 - $53.45

Q2 2018

Shares 135,556 Value ($000) $6,879 Avg Close $48.31 Range $43.90 - $54.70

Q1 2018

Shares 158,256 Value ($000) $7,446 Avg Close $50.70 Range $44.70 - $55.53

Q4 2017

Shares 127,656 Value ($000) $6,249 Avg Close $44.61 Range $39.83 - $51.20

Q3 2017

Shares 126,056 Value ($000) $5,849 Avg Close $43.56 Range $38.40 - $49.50

Q2 2017

Shares 119,656 Value ($000) $5,402 Avg Close $43.26 Range $38.33 - $47.90

Q1 2017

Shares 119,656 Value ($000) $4,792 Avg Close $38.26 Range $34.33 - $41.90

Q4 2016

Shares 109,656 Value ($000) $4,194 Avg Close $33.93 Range $27.10 - $40.90

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	37,730	$1,815	$44.93	$39.30 - $48.77
Q4 2018	100,845	$4,090	$43.06	$37.24 - $51.77
Q3 2018	100,845	$4,503	$46.29	$40.20 - $53.45
Q2 2018	135,556	$6,879	$48.31	$43.90 - $54.70
Q1 2018	158,256	$7,446	$50.70	$44.70 - $55.53
Q4 2017	127,656	$6,249	$44.61	$39.83 - $51.20
Q3 2017	126,056	$5,849	$43.56	$38.40 - $49.50
Q2 2017	119,656	$5,402	$43.26	$38.33 - $47.90
Q1 2017	119,656	$4,792	$38.26	$34.33 - $41.90
Q4 2016	109,656	$4,194	$33.93	$27.10 - $40.90