Glass House Brands Inc. — Proxy Solicitation & Information Statement 2021

Mar 29, 2021

March 29, 2021

Filed via SEDAR

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To All Applicable Exchanges and Securities Administrators

Subject: Mercer Park Brand Acquisition Corp. (the "Issuer") Notice of Meeting and Record Date

Dear Sir/Madam:

We are pleased to confirm the following information with respect to the Issuer's upcoming meeting of securityholders:

MeetingType:	Special Meeting
MeetingDate:	May5, 2021
Record Date for Notice of Meeting:	April 5, 2021
Record Date for Voting (if applicable):	April 5, 2021
Beneficial OwnershipDetermination Date:	April 5, 2021
Class of Securities Entitled to Vote:	Class A Restricted VotingShares
ISIN:	CA58810P1027
Issuer sending proxymaterials directlyto NOBOs:	No
Issuerpayingfor deliveryto OBOs:	Yes
Notice and Access for Beneficial Holders:	No
Notice and Access for Registered Holders:	No

In accordance with applicable securities regulations we are filing this information with you in our capacity as agent of the Issuer.

Yours truly,

ODYSSEY TRUST COMPANY AS AGENT FOR Mercer Park Brand Acquisition Corp.