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At the Japan–UK bilateral summit in London on June 14, 2026, Prime Minister Takaichi Sanae and Prime Minister Keir Starmer issued the "Japan–UK Leaders' Joint Declaration on Economic Security Cooperation," committing to deepen collaboration on critical minerals supply-chain diversification (mining, refining, processing, recycling, stockpiling), a focused battery-materials and recycling dialogue, and semiconductor technology cooperation through the Japan–UK Frontier Technology Partnership. The two leaders expressed grave concerns over economic coercion and arbitrary export restrictions on critical minerals and other materials that could affect global supply chains. The declaration preceded and informed the G7 Évian critical-minerals alliance announced three days later on June 17, 2026.

The DRC Council of Ministers, at its 87th extraordinary session on 29 May 2026, adopted decrees expanding the list of strategic mineral substances from 3 (cobalt, germanium, coltan) to 9, adding lithium, tantalum, niobium, tungsten, uranium, and rare earth elements. Under the 2018 Mining Code framework, strategic minerals attract a 10% royalty versus the standard 3.5% for base metals, representing a nearly threefold increase in the state's royalty take on the newly classified substances. The measure was presented by Minister of Mines Louis Watum Kabamba and confirmed by RTNC state broadcaster and Bloomberg reporting (31 May 2026). DRC produces an estimated 60–70% of global tantalum supply; the reclassification extends upstream royalty escalation to six additional high-value critical materials — including Manono lithium deposit output, tantalum refinery streams, and any tungsten, niobium, uranium, or REE operations active or under development.

Zimbabwe's Ministry of Mines and Mining Development gazetted a formal Mineral Classification and Declaration on 22 May 2026, signed by Minister Dr Polite Kambamura, classifying 14 minerals as "critical" (nickel, cobalt, graphite, copper, REE, chrome, PGMs, manganese, antimony, uranium, ruthenium, tungsten, niobium — plus metallurgical coal as "special critical") and 10 as "strategic" (limestone, potash, phosphorus, iron ore, pyrites, oil, gas, coal, gold, diamonds). The declaration mandates minimum state shareholding through designated Special Purpose Vehicles (SPVs) in all critical-mineral exploitation operations and prohibits export of listed minerals in raw or unbeneficiated form without a ministerially-approved conditional transitional plan specifying a local beneficiation timeline.

Indonesia's Ministry of Energy and Mineral Resources (ESDM) issued Ministerial Decree No. 144.K/MB.01/MEM.B/2026, effective 15 April 2026, fundamentally restructuring the Nickel Ore Benchmark Price (Harga Patokan Mineral, HPM) formula that governs the minimum domestic transaction price for ore sales from IUP/IUPK miners to downstream processors. For the first time the HPM uses a multi-element comprehensive pricing formula incorporating by-product credits for cobalt, iron, and chromium alongside nickel content, and raises the Correction Factor (CF) for 1.6%-grade ore from 17% to 30% (a ~76% increase), with an inverse-linear ±1% CF adjustment per ±0.1% grade variance. The reform also shifts HPM measurement from dry-metric-ton (US$/dmt) to wet-metric-ton (US$/wmt) with explicit moisture-content deduction, covers 10 minerals including bauxite, and replaces Kepmen ESDM No. 268.K/2025. The measure redistributes economic rent from the downstream Chinese-backed HPAL/RKEF processing complex toward upstream Indonesian miners, tightening margins across Indonesia's ~50%-of-global-supply nickel-ore industry.

On March 29, 2026, the DRC Conseil des Ministres approved a draft decree modifying and supplementing Decree n°11/28 of June 7, 2021, which establishes the statute of the Centre d'Expertise, d'Evaluation et de Certification (CEEC). The reform formally enshrines CEEC as a "certification authority" recognized in law — a role previously exercised in practice but lacking explicit statutory grounding. CEEC gains explicit authority to determine the physicochemical characteristics of all mineral substances produced on DRC territory, covering the nature, chemical composition, geographic origin, and legal provenance of exports across all strategic minerals including cobalt, copper, coltan, cassiterite, gold, and tantalum.

On 20 March 2026, METI/MOFA (Japan) and the US Departments of State and Energy jointly published the "Japan–United States Critical Minerals Project Cooperation Joint Fact Sheet," identifying five specific upstream critical-mineral projects spanning four continents (Australia, Tanzania, Brazil, UAE, Namibia) to receive structured joint financing through JOGMEC equity and offtake instruments and US DFC/Ex-Im Bank facilities. The document operationalises the October 2025 US-Japan Critical Minerals Framework and the same-day Action Plan, converting policy-framework language into named project commitments covering nickel, lithium, battery-anode graphite, and heavy rare earths. It was released the day following the Takaichi–Trump summit on 19 March 2026 and follows the Critical Minerals Investment Ministerial convened in Tokyo on 14 March 2026.

At the PDAC Convention 2026 in Toronto, Canada's Minister of Energy and Natural Resources Tim Hodgson announced the Critical Minerals Sovereign Fund (CMSF), a CAD 2 billion vehicle to be operated by Natural Resources Canada that will deploy equity investments, debt, and offtake agreements into Canadian critical-minerals projects and companies. Initial focus covers six of Canada's 34 critical minerals — copper, nickel, lithium, graphite, cobalt, and rare earth elements — with capital expected to begin flowing in spring 2026. The CMSF is part of a broader CAD 3.6 bn PDAC-day announcement package that NRCan estimates will unlock CAD 12.1 bn in mining-project capital across 30+ partnerships, and is structurally modelled on Australia's Critical Minerals Strategic Reserve.

On 22-23 February 2026, President Félix Tshisekedi signed and publicly read on RTNC (state television) a series of presidential ordinances replacing the entire leadership of three strategic state-owned mining companies: Gécamines (copper/cobalt), SAKIMA (Société Aurifère du Kivu et du Maniema — eastern DRC 3T minerals and gold), and SOKIMO (Société Minière de Kilomoto — Kilo-Moto gold sites). New appointees include Baraka Kabemba as DG of Gécamines, Guy Robert Lukama as DG of SAKIMA, and Yannick Nzonde Mulundu as DG of SOKIMO. The sweeping governance reshuffle came approximately two months after the December 4, 2025 DRC-US Strategic Partnership Agreement on Trade and Investment, signalling a strategic repositioning of DRC state mining apparatus toward a US-aligned critical-minerals framework.

On 15 January 2026, Canada Growth Fund Inc. (CGF), a CAD 15bn federal Crown investment vehicle, announced it will lead an up to US$85 million structured financing for Mangrove Water Technologies Ltd. (Mangrove Lithium), a British Columbia-based lithium refiner. CGF's own commitment is up to US$65 million, alongside continued participation from existing investors Breakthrough Energy Ventures and BMW i Ventures; the CGF tranche closed concurrently with a separate CAD 9 million loan from National Bank of Canada backed by the federal Clean Technology Manufacturing Investment Tax Credit. Proceeds commission Mangrove's 1,000-tonne-per-annum Single Stack Plant in Delta, BC and advance development of a planned 20,000-tonne-per-year full-scale plant, with the government citing the deal as reducing reliance on overseas lithium processing and building an onshore mining-to-refining supply chain.

On 9 January 2026, Société Nationale des Mines (SONAMINES SA), Cameroon's state mining company, launched an international call for expressions of interest to pre-select technical and financial partners for the development of the Nkamouna-Lomié cobalt-nickel-manganese project in East Region (Haut-Nyong department), with a submission deadline of 31 March 2026. The tender follows the Presidential Decree of 25 February 2025 withdrawing Mining Permit No. 33 from Geovic Cameroon SA (inactive since 2003) and transferring it to SONAMINES under Loi n°2023/014 portant Code Minier. The deposit holds an estimated 121 million tonnes of mineral resources at average grades of 0.23% Co, 0.65% Ni, and 1.35% Mn — one of the largest undeveloped cobalt-nickel-manganese assets in West/Central Africa — with initial investment estimates of approximately CFA 300 billion (~USD 490 million).