MONTROSE ENVIRONMENTAL GROUP

Ticker: MEG CUSIP: 615111101 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 3,240,378 Value ($000) $80,459 Avg Close $26.42 Range $23.36 - $30.90

Q3 2025

Shares 3,186,718 Value ($000) $87,507 Avg Close $26.13 Range $20.34 - $32.00

Q2 2025

Shares 2,869,219 Value ($000) $62,807 Avg Close $17.93 Range $10.51 - $24.00

Q1 2025

Shares 2,793,365 Value ($000) $39,833 Avg Close $19.04 Range $13.79 - $24.79

Q4 2024

Shares 2,819,914 Value ($000) $52,309 Avg Close $21.03 Range $15.21 - $28.27

Q3 2024

Shares 2,615,146 Value ($000) $68,778 Avg Close $32.33 Range $24.85 - $45.13

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,240,378	$80,459	$26.42	$23.36 - $30.90
Q3 2025	3,186,718	$87,507	$26.13	$20.34 - $32.00
Q2 2025	2,869,219	$62,807	$17.93	$10.51 - $24.00
Q1 2025	2,793,365	$39,833	$19.04	$13.79 - $24.79
Q4 2024	2,819,914	$52,309	$21.03	$15.21 - $28.27
Q3 2024	2,615,146	$68,778	$32.33	$24.85 - $45.13