Name Change to North Atlantic Titanium Corp.

MUZHU MINING ANNOUNCES NAME CHANGE TO NORTH ATLANTIC TITANIUM CORP.

Vancouver, British Columbia December 30, 2025 Muzhu Mining Ltd. (CSE: MUZU) (OTCPK: MUZU.F) (FSE:Y33) ), is pleased to announce that passed on December 19, 2025, the Company the name change of the Company from Name Change

In connection with the Name Change, the Company will change its NATO The are expected to begin trading on the Canadian Securities Exchange following its approval under the new name and ticker symbol on or about January 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 The previously announced name change to Grenville Mines Inc. will not proceed and shall be superseded by the name change to North Atlantic Titanium Corp.

ON BEHALF OF THE BOARD OF DIRECTORS

Dwayne Yaretz, CEO Muzhu Mining Ltd.

Phone: 778-709-3398 Email: [email protected] Website: www.muzhumining.ca

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.

For more information, please visit our website at www.muhzumining.ca.