STERLING INFRASTRUCTURE INC

Ticker: STRL CUSIP: 859241101 Class: COM

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

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

Q1 2020

Shares 78,930 Value ($000) $750 Avg Close $12.73 Range $7.06 - $15.61

Q4 2019

Shares 78,930 Value ($000) $1,111 Avg Close $15.07 Range $12.69 - $17.49

Q3 2019

Shares 78,930 Value ($000) $1,038 Avg Close $12.24 Range $10.16 - $14.18

Q2 2019

Shares 78,930 Value ($000) $1,059 Avg Close $12.88 Range $11.60 - $13.94

Q1 2019

Shares 62,990 Value ($000) $789 Avg Close $13.28 Range $10.72 - $15.75

Q4 2018

Shares 62,990 Value ($000) $686 Avg Close $12.16 Range $9.71 - $14.35

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	78,930	$750	$12.73	$7.06 - $15.61
Q4 2019	78,930	$1,111	$15.07	$12.69 - $17.49
Q3 2019	78,930	$1,038	$12.24	$10.16 - $14.18
Q2 2019	78,930	$1,059	$12.88	$11.60 - $13.94
Q1 2019	62,990	$789	$13.28	$10.72 - $15.75
Q4 2018	62,990	$686	$12.16	$9.71 - $14.35