Exhibit 99.1


Date: April 6, 2020 1500 Robert-Bourassa Blvd., 7th Floor
Montreal QC, H3A 3S8
www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: IMV INC.

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 Meeting
Record Date for Notice of Meeting : May 01, 2020
Record Date for Voting (if applicable) : May 01, 2020
Beneficial Ownership Determination Date : May 01, 2020
Meeting Date : June 02, 2020
Meeting Location (if available) : Virtual, CPU
Issuer sending proxy related materials directly to NOBO: No
Issuer paying for delivery to OBO: Yes

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders

No

NAA for Registered Holders

No

Voting Security Details:

Description CUSIP Number ISIN
COMMON 44974L103 CA44974L1031
COM REGULATION S US 1933 LEG C4R68P103 CAC4R68P1036

Sincerely,

Computershare
Agent for IMV INV.