MONTROSE ENVIRONMENTAL GROUP

Ticker: MEG CUSIP: 615111101 Class: Common Stock

MainStreet Investment Advisors LLC's Holding History (CIK: 0001729854)

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

Q2 2021

Shares 4,651 Value ($000) $250 Avg Close $52.64 Range $46.06 - $59.62

Q1 2021

Shares 5,151 Value ($000) $259 Avg Close $42.25 Range $30.91 - $51.62

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	4,651	$250	$52.64	$46.06 - $59.62
Q1 2021	5,151	$259	$42.25	$30.91 - $51.62