Opensesame Acquisition Corp. — Proxy Solicitation & Information Statement 2025

Oct 10, 2025

October 09, 2025

Computershare

510 Burrard Street, 3rd Floor

Vancouver BC, V6C 3B9

www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: OPENSESAME ACQUISITION CORP.

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 : November 03, 2025
Record Date for Voting (if applicable) : November 03, 2025
Beneficial Ownership Determination Date : November 03, 2025
Meeting Date : December 09, 2025
Meeting Location (if available) : Vancouver, BC
Issuer sending proxy related materials directly to NOBO: No
Issuer paying for delivery to OBO: No

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders No
NAA for Registered Holders No

Voting Security Details:

Description	CUSIP Number	ISIN
COMMON	68372X104	CA68372X1042

Sincerely,

Computershare

Agent for OPENSESAME ACQUISITION CORP.