Haivision Systems Inc. — Proxy Solicitation & Information Statement 2022

Feb 17, 2022

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February 17, 2022

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

To: All Canadian Securities Regulatory Authorities

Subject: Haivision Systems Inc.

Dear Sir/Madam:

We advise of the following amendment with respect to the upcoming Meeting of Security Holders for the subject Issuer:

Meeting Type : Annual Meeting Record Date for Notice of Meeting : March 11, 2022 Record Date for Voting (if applicable) : March 11, 2022 Beneficial Ownership Determination Date : March 11, 2022 Meeting Date : April 21, 2022 Meeting Location (virtual) : Virtual meeting

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 Yes Beneficial Holders Stratification Criteria: Not Applicable NAA for Registered Holders Yes Registered Holders Stratification Criteria: Not Applicable

Voting Security Details:

Description CUSIP Number ISIN COMMON SHARES 40531F100 CA40531F1009

Sincerely,

Computershare

Agent for Haivision Systems Inc.