Molecule Holdings Inc. — Proxy Solicitation & Information Statement 2022

Feb 23, 2022

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February 23, 2022

1500 Robert-Bourassa Blvd., 7th Floor Montreal QC, H3A 3S8 www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: MOLECULE HOLDINGS INC. Amended

Dear Sir/Madam:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer: Meeting Type : Annual General and Special Meeting Record Date for Notice of Meeting : March 21, 2022 Record Date for Voting (if applicable) : March 21, 2022 Beneficial Ownership Determination Date : March 21, 2022 Meeting Date : April 27, 2022 Meeting Location (if available) : Virtual Meeting Issuer sending proxy related materials directly to NOBO: Yes Issuer paying for delivery to OBO: Yes

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders No Beneficial Holders Stratification Criteria: Not Applicable NAA for Registered Holders No Registered Holders Stratification Criteria: Not Applicable

Voting Security Details:

Description

COMMON SHARES

CUSIP Number ISIN 60855E109 CA60855E1097

Sincerely,

Computershare

Agent for MOLECULE HOLDINGS INC.