Montrose Environmental Group, Inc. — Director's Dealing 2021

May 19, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Montrose Environmental Group, Inc. (MEG)
CIK: 0001643615
Period of Report: 2021-05-17

Reporting Person: PRESBY J THOMAS (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-17	Common Stock	S	18787	$51.56	Disposed	66007	Direct
2021-05-18	Common Stock	S	21067	$51.78	Disposed	44940	Direct
2021-05-18	Common Stock	S	10146	$51.37	Disposed	34794	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares of common stock of the Issuer were sold in multiple transactions by the Reporting Person at prices ranging from $51.50 to $52.05, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer full information regarding the number of shares of common stock sold at each separate price within the range.

F2: The price reported in Column 4 is a weighted average price. These shares of common stock of the Issuer were sold in multiple transactions by the Reporting Person at prices ranging from $50.17 to $51.165, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer full information regarding the number of shares of common stock sold at each separate price within the range.

F3: The price reported in Column 4 is a weighted average price. These shares of common stock of the Issuer were sold in multiple transactions by the Reporting Person at prices ranging from $51.17 to $51.865, inclusive. The Reporting Person undertakes to provide upon request by the Commission staff, the Issuer, or a security holder of the Issuer full information regarding the number of shares of common stock sold at each separate price within the range.