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The new regulation is a subsidiary instrument implementing royalty-calculation mechanics under the framework established by Mongolia's 2023 Law on Mining Commodity Exchange (effective June 2023), which created the MPE as a regulated commodity-trading venue. It does not amend the underlying Minerals Law rate schedule; it changes only the price reference used to calculate the applicable rate.
Domestic-sale quota via royalty-base mechanics: By requiring ≥25% of annual mineral output to be traded through the MPE as a precondition for using MPE-derived prices in royalty computation, the regulation imposes a de facto domestic-sale obligation through a tax-incentive channel rather than a direct export-quota mandate. This is a structurally innovative approach compared to Indonesia's hilirisasi (which uses outright export bans) or Kazakhstan's pre-emption rights framework.
Price-formation rationale: Prior international-benchmark pricing was assessed at an average of 22.6% above actual realised prices for enriched coking coal, and 54.3% above market for fluorspar — generating royalty overpayments and creating friction with exporters. The shift to MPE pricing is designed to align royalty obligations with actual domestic transaction prices, reducing dispute frequency while securing more reliable budget revenue via exchange-verified trades.
Sequencing: Coal is first on the MPE auction calendar from October 2025. Copper (Oyu Tolgoi and Erdenet off-take), fluorspar, and rare earth products are scheduled in a phased rollout. The timetable for non-coal commodities was not fixed at announcement, creating regulatory uncertainty for Oyu Tolgoi's long-term copper off-take contracts with Chinese buyers.
PRC. By anchoring royalty calculations to a Mongolian domestic exchange price rather than Chinese buyer-set benchmark prices, Mongolia structurally reduces Chinese counterparties' ability to influence royalty exposure through price-setting leverage.
deposit), ETT will be a primary MPE volume contributor and royalty payer. The mechanism reinforces ETT's role as price-maker rather than price-taker for coking coal.
will need to route ≥25% of annual output through the MPE or face benchmark-price royalty exposure, adding operational complexity.
Until copper is added, Oyu Tolgoi off-take agreements are governed by existing benchmark-linked royalty mechanics. Once copper is added, the MPE price could diverge materially from LME-linked references, with royalty implications for the Project Finance model.
MPE-based and international-benchmark calculations during the phase-in period could generate overlapping royalty obligations on the same exports. MMHI has not yet released a formal resolution to this concern.
LME spot?
royalty-base reclassification at year-end?
disputes arising from MPE vs. benchmark price divergence?
state-share mechanism for strategic deposits (filed 2024-04-19)?