MONTROSE ENVIRONMENTAL GROUP

Ticker: MEG CUSIP: 615111101 Class: Common Stock

Select Equity Group, L.P.'s Holding History (CIK: 0001592643)

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

Q1 2021

Shares 10,200 Value ($000) $511,938 Avg Close $42.25 Range $30.91 - $51.62

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	10,200	$511,938	$42.25	$30.91 - $51.62