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The MMRR 2025 is made under section 25 of the Minerals and Mining Act, 2006 (Act 703) as amended. It replaces the Minerals and Mining (General) Regulations 2012 (L.I. 2173) flat 5% gross-output royalty with a sliding-scale band structure that adjusts automatically in response to changes in global commodity reference prices:
(≈4 million oz in 2024), with Newmont (Ahafo + Akyem), AngloGold Ashanti (Iduapriem + Obuasi), Gold Fields (Tarkwa + Damang), Galiano Gold, and Asante Gold among the principal affected operators. Specific rate thresholds for gold were not published in the initially available legislative text; government commentary indicates the scale follows the Chilean copper and Australian iron-ore royalty sliding-rate model.
exceed the upper policy threshold (~USD 3,000/tonne). This is the general-applicability rate for all lithium mining; it interacts with but is distinct from the project-specific 5–12% sliding royalty in the Atlantic Lithium Ewoyaa Mining Lease ratified by Parliament on 19 March 2026 (see 2026-03-19-ghana-ewoyaa-lithium-mining-lease-ratification).
structures apply; individual rates not confirmed in public-domain sources at time of filing.
infrastructure projects in the Mfantseman Municipality (Central Region), the host community of Ghana's Ewoyaa lithium deposit. This is the direct political quid-pro-quo to the Mfantseman community for hosting Ghana's first commercial lithium-mining operation. It creates a precedent for hyper-localised royalty earmarks tied to host-community politics in future Ghanaian critical-mineral licences.
The L.I. was laid on the final sitting day before the Christmas 2025 recess (19 December 2025) and matured automatically into law on 9 March 2026 under Article 11(7) of the 1992 Constitution after 21 sitting days elapsed without parliamentary annulment.
a 2–4 percentage-point incremental rate above the prior 5% flat baseline generates ~USD 200–400 million/year in additional royalty revenue. The sliding scale is fully value-capture designed: in the current gold super-cycle, the state benefit is immediate; if prices fall, operators receive partial relief.
operators face direct royalty-cost increases. The Minerals and Mining (Development Agreement) Act permits operators to seek stability-clause protection, but the MMRR's general-applicability framing purports to override pre-existing legacy royalty rates. This creates near-term ICSID/OHADA arbitration risk, as highlighted by the Chamber of Mines and Minority parliamentary group during the maturation period.
framework applicable to all subsequent Ghanaian lithium licences beyond the project-specific Ewoyaa terms. Atlantic Lithium (Barari DV Ghana Ltd) holds Ghana's flagship hard-rock spodumene resource (Ewoyaa, largest in West Africa). If lithium prices recover from their 2024–2025 trough, the MMRR's 12% ceiling activates, reshaping project economics for Atlantic Lithium's FID and financing.
sub-Saharan jurisdictions to adopt a general-applicability sliding-scale royalty tied to global commodity prices. This design — explicitly modelled on Chilean copper + Australian iron-ore royalty experience — is already being watched by Côte d'Ivoire, Burkina Faso, Mali, Tanzania, and DRC as they navigate post-2022 commodity-super-cycle resource-rent debates.
to host-community politics in future Ghanaian critical-mineral projects. Compare: DRC Mining Code 2018 community-development levy, Tanzania local content regs, Indonesian host-community fund parallels.
accessible public-domain sources at filing; to be confirmed when full L.I. gazette text is located.
expected to file formal objections; arbitration timeline unclear.
corrections before year-end 2026 sitting.