Certain Common Stock of Montrose Environmental Group, Inc. are subject to a Lock-Up Agreement Ending on 17-JUN-2024. These Common Stock will be under lockup for 61 days starting from 17-APR-2024 to 17-JUN-2024.

Details:
The company's directors and executive officers have entered into lock-up agreements with the underwriters prior to the commencement of this offering pursuant to which each lock-up party, with limited exceptions, for a period of 60 days after the date of this prospectus, may not, without the prior written consent of the representatives, (1) directly or indirectly, offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, lend or otherwise transfer or dispose of any shares of our common stock or any securities convertible into or exercisable or exchangeable for our common stock, whether owned on the date of the underwriting agreement or thereafter acquired by the lock-up party or with respect to which the lock-up party had on the date thereof or thereafter acquired the power of disposition (collectively with the common stock, the ?lock-up securities?) or exercise any right with respect to the registration of any of the lock-up securities, or file, cause to be filed or cause to be confidentially submitted any registration statement in connection therewith under the Securities Act, or (2) enter into any swap, loan or any other agreement or transaction that transfers, in whole or in part, directly or indirectly, the economic consequence of ownership of the lock-up securities, whether any such swap, loan or transaction is to be settled by delivery of our common stock or other securities, in cash or otherwise.