Margaret Lake Announces Name Change To Vault Strategic Mining Corp. And New Ticker Symbol Of "KNOX"

Core Points - The company, formerly known as Margaret Lake Diamonds Inc., will change its name to Vault Strategic Mining Corp. and will trade under the new ticker symbol "KNOX" on the TSX Venture Exchange [1][2] - Trading under the new name and ticker symbol is expected to commence on or about December 17, 2025 [2] - Existing shareholders and warrantholders are not required to take any action regarding the name change, and their current certificates will remain valid [3] Company Information - The new CUSIP number for the common shares will be 92243U107, and the new ISIN number will be CA92243U1075 [2] - The announcement is made on behalf of the Board by R. Nick Horsley, who serves as President, Chief Executive Officer, and Chairman [4]