Mr. Clive Massey reports

KIRKSTONE METALS ANNOUNCES APPROVAL FOR LISTING ON THE CANADIAN SECURITIES EXCHANGE, DELISTING ON THE TSX VENTURE EXCHANGE AND NAME AND SYMBOL CHANGE

Kirkstone Metals Corp. has received approval from the Canadian Securities Exchange to list its common shares on the CSE. In connection with the listing, the company intends to change its name to Radiant Uranium Corp. and its CSE ticker symbol will be RUC.

Additionally, the company has applied to voluntarily delist the common shares from the TSX Venture Exchange, prior to completion of the listing. The Common Shares are expected to be delisted from the TSX-V at the close of market on or about Aug. 5, 2026.

Upon completion of the delisting on the TSX-V, the company will list 41,216,666 common shares on the CSE. Such common shares are expected to begin trading at market open on or about Aug. 6, 2026, under Cusip No. 75026P106 and ISIN (international securities identification number) CA75026P1062.

About Kirkstone Metals Corp.

Kirkstone Metals is a Canadian mineral exploration company focused on uranium assets that support the global transition to reliable, clean energy. Its flagship Key Lake Road uranium project is located in Saskatchewan's Athabasca basin, one of the world's premier uranium districts, and the company emphasizes responsible exploration and disciplined capital allocation.

We seek Safe Harbor.