MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q1 2020

Shares 11,320 Value ($000) $371 Avg Close $50.87 Range $22.51 - $65.00

Q4 2019

Shares 11,180 Value ($000) $717 Avg Close $65.85 Range $59.85 - $73.71

Q3 2019

Shares 11,060 Value ($000) $718 Avg Close $58.36 Range $49.23 - $66.61

Q2 2019

Shares 11,390 Value ($000) $587 Avg Close $49.40 Range $45.52 - $53.80

Q1 2019

Shares 11,260 Value ($000) $542 Avg Close $44.93 Range $39.30 - $48.77

Q4 2018

Shares 15,630 Value ($000) $634 Avg Close $43.06 Range $37.24 - $51.77

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	11,320	$371	$50.87	$22.51 - $65.00
Q4 2019	11,180	$717	$65.85	$59.85 - $73.71
Q3 2019	11,060	$718	$58.36	$49.23 - $66.61
Q2 2019	11,390	$587	$49.40	$45.52 - $53.80
Q1 2019	11,260	$542	$44.93	$39.30 - $48.77
Q4 2018	15,630	$634	$43.06	$37.24 - $51.77