Latest media releases

27 February 2026

Tłı̨chǫ Government and Diavik Diamond Mine sign closure agreement in Behchokǫ̀

BEHCHOKǪ̀, Canada – The Tłı̨chǫ Government and Rio Tinto’s Diavik Diamond Mine marked a new stage in their decades-long partnership, signing a Closure Agreement on February 26, 2026, at a public ceremony at the Cultural Centre in Behchokǫ, Northwest Territories.Tłı̨chǫ leadership and Diavik officials signed the agreement in front of Tłı̨chǫ citizens, community members, Elders, and staff. The gathe

18 February 2026

Rio Tinto devient actionnaire majoritaire et assume la gestion de Nemaska Lithium

MONTRÉAL, Canada – À la suite des investissements en capitaux réalisés respectivement par Rio Tinto et le gouvernement du Québec, par l’entremise d’Investissement Québec, dans Nemaska Lithium depuis mars 2025, Rio Tinto détient désormais une participation de 53,9 % dans Nemaska Lithium, tandis que le gouvernement du Québec détient 46,1 % de l’entreprise.À titre d’actionnaire majoritaire, Rio Tinto

18 February 2026

Rio Tinto assumes majority interest and management responsibilities at Nemaska Lithium

MONTREAL, Canada – Following the respective equity investments made by Rio Tinto and the Government of Québec, through Investissement Québec, in Nemaska Lithium since March 2025, Rio Tinto now holds a 53.9% stake in Nemaska Lithium, while the Government of Québec holds 46.1% of the company. As the majority shareholder, Rio Tinto now assumes direct management of Nemaska Lithium and will levera