Optiva Inc. — Proxy Solicitation & Information Statement 2025

Oct 15, 2025

October 15, 2025

Computershare

510 Burrard Street, 3rd Floor

Vancouver BC, V6C 3B9

www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: OPTIVA INC.

Dear Sir/Madam:

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

Meeting Type : Special Meeting
Record Date for Notice of Meeting : October 27, 2025
Record Date for Voting (if applicable) : October 27, 2025
Beneficial Ownership Determination Date : October 27, 2025
Meeting Date : November 27, 2025
Meeting Location (if available) : Toronto, ON
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
9.75% PIK TOG DB DUE JUL 20/25	68403NAA7	CA68403NAA78

Sincerely,

Computershare

Agent for OPTIVA INC.