King Copper Discovery Corp. — Proxy Solicitation & Information Statement 2026

May 21, 2026

May 21, 2026

ODYSSEY

CANCELLED

Filed via SEDAR+

To All Applicable Exchanges and Securities Administrators

Subject: King Copper Discovery Corp. (the "Issuer")
Notice of Meeting and Record Date

Dear Sir/Madam:

We are pleased to confirm the following information with respect to the Issuer's upcoming meeting of securityholders:

Meeting Type:	Annual General and Special Meeting
Meeting Date:	June 30, 2026 CANCELLED
Record Date for Notice of Meeting:	May 15, 2026
Record Date for Voting (if applicable):	May 15, 2026
Beneficial Ownership Determination Date:	May 15, 2026
Class of Securities Entitled to Vote:	Common Shares
ISIN:	CA4947261026
Issuer sending proxy materials directly to NOBOs:	No
Issuer paying for delivery to OBOs:	No
Notice and Access for Beneficial Holders:	Yes
Notice and Access for Registered Holders:	Yes

In accordance with applicable securities regulations we are filing this information with you in our capacity as agent of the Issuer.

Yours truly,

Odyssey Trust Company
as agent for King Copper Discovery Corp.