King Copper Discovery Corp. — AGM Information 2026

Apr 20, 2026

April 20, 2026

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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:

MeetingType:	Annual General and Special Meeting
MeetingDate:	June 30,2026
Record Date for Notice of Meeting:	May15,2026
Record Date for Voting (if applicable):	May15,2026
Beneficial OwnershipDetermination Date:	May15,2026
Class of Securities Entitled to Vote:	Common Shares
ISIN:	CA4947261026
Issuer sending proxymaterials directlyto NOBOs:	No
Issuerpayingfor deliveryto 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.