NORTHWEST NAT HLDG CO

Ticker: NWN CUSIP: 66765N105 Class: Common Stock

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

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

Q1 2020

Shares 9,430 Value ($000) $582 Avg Close $69.90 Range $50.50 - $77.26

Q4 2019

Shares 9,320 Value ($000) $687 Avg Close $69.05 Range $62.87 - $74.13

Q3 2019

Shares 9,160 Value ($000) $653 Avg Close $70.88 Range $68.42 - $73.50

Q2 2019

Shares 11,790 Value ($000) $819 Avg Close $67.64 Range $63.48 - $70.22

Q1 2019

Shares 8,450 Value ($000) $555 Avg Close $62.69 Range $57.20 - $66.97

Q4 2018

Shares 8,330 Value ($000) $504 Avg Close $66.85 Range $57.94 - $71.81

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	9,430	$582	$69.90	$50.50 - $77.26
Q4 2019	9,320	$687	$69.05	$62.87 - $74.13
Q3 2019	9,160	$653	$70.88	$68.42 - $73.50
Q2 2019	11,790	$819	$67.64	$63.48 - $70.22
Q1 2019	8,450	$555	$62.69	$57.20 - $66.97
Q4 2018	8,330	$504	$66.85	$57.94 - $71.81