MONTROSE ENVIRONMENTAL GROUP

Ticker: MEG CUSIP: 615111101 Class: Common Stock

YHB Investment Advisors, Inc.'s Holding History (CIK: 0001469219)

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

Q1 2022

Shares 4,061 Value ($000) $215 Avg Close $49.52 Range $38.35 - $71.45

Q4 2021

Shares 4,061 Value ($000) $286 Avg Close $69.28 Range $59.20 - $80.42

Q3 2021

Shares 4,061 Value ($000) $251 Avg Close $52.31 Range $43.60 - $68.65

Q2 2021

Shares 4,061 Value ($000) $218 Avg Close $52.64 Range $46.06 - $59.62

Q1 2021

Shares 4,061 Value ($000) $230 Avg Close $42.25 Range $30.91 - $51.62

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	4,061	$215	$49.52	$38.35 - $71.45
Q4 2021	4,061	$286	$69.28	$59.20 - $80.42
Q3 2021	4,061	$251	$52.31	$43.60 - $68.65
Q2 2021	4,061	$218	$52.64	$46.06 - $59.62
Q1 2021	4,061	$230	$42.25	$30.91 - $51.62