MONTROSE ENVIRONMENTAL GROUP

Ticker: MEG CUSIP: 615111101 Class: Common Stock

BEACONLIGHT CAPITAL, LLC's Holding History (CIK: 0001569537)

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

Q2 2021

Shares 21,355 Value ($000) $1,146 Avg Close $52.64 Range $46.06 - $59.62

Q1 2021

Shares 30,547 Value ($000) $1,533 Avg Close $42.25 Range $30.91 - $51.62

Q4 2020

Shares 33,373 Value ($000) $1,033 Avg Close $28.43 Range $21.98 - $35.89

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	21,355	$1,146	$52.64	$46.06 - $59.62
Q1 2021	30,547	$1,533	$42.25	$30.91 - $51.62
Q4 2020	33,373	$1,033	$28.43	$21.98 - $35.89