Winpak Ltd — AGM Information 2022

Feb 18, 2022

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Date: February 17, 2022

324-8th Avenue SW, 8th floor Calgary AB, T2P 2Z2 www.computershare.com

To: All Canadian Securities Regulatory Authorities Subject: WINPAK LTD

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 : March 14, 2022 Record Date for Voting (if applicable) : March 14, 2022 Beneficial Ownership Determination Date : March 14, 2022 Meeting Date : April 26, 2022 Meeting Location (if available) : Winnipeg, MB 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 NAA for Registered Holders

Voting Security Details:

Description COMMON SHARES

CUSIP Number ISIN 97535P104 CA97535P1045

Sincerely,

Computershare Agent for WINPAK LTD