Mr. Dwayne Yaretz reports

MUZHU MINING ANNOUNCES NAME CHANGE TO NORTH ATLANTIC TITANIUM CORP.

Pursuant to a director resolution that was passed on Dec. 19, 2025, Muzhu Mining Ltd.'s board of directors has approved the name change of the company from Muzhu Mining Ltd. to North Atlantic Titanium Corp. The name change aligns with the company's strategic focus to advance the Everett titanium deposit in Quebec.

In connection with the name change, the company will change its ticker symbol to NATO. The company's common shares are expected to begin trading on the Canadian Securities Exchange following its approval under the new name and ticker symbol on or about Jan. 5, 2026.

No action is required to be taken by shareholders with respect to the name change. Outstanding share and warrant certificates are not affected by the name change, and do not need to be exchanged. The previously announced name change to Grenville Mines Inc. will not proceed and shall be superseded by the name change to North Atlantic Titanium Corp.

About Muzhu Mining Ltd.

Muzhu Mining is a Canadian publicly traded exploration company focused on advancing the Everett titanium deposit in Quebec. The company also holds a 100-per-cent interest in the Sleeping Giant South project, located in the Abitibi greenstone belt, approximately 75 kilometres south of Matagami, Que. As well, Muzhu is currently assessing two option agreements to acquire up to 80 per cent of the silver, zinc, lead XWG and LMM properties, and an exploration agreement at the WLG mine, all located in Henan province, China.