USA Rare Earth starts shipments to US SIIE under 15-year supply deal
USAR•USA Rare Earth began commercial-scale mixed rare earth carbonate shipments from Serra Verde to US SIIE in October 2026 under a 15-year, 100% take-or-pay agreement covering Phase I production. Payments began in November, and annual production is targeted to reach about 4,000 metric tons of total rare earth oxide by Q2 2027 and 6,400 by year-end.
1. Shipments and production targets
USA Rare Earth began commercial-scale mixed rare earth carbonate shipments from Serra Verde to US SIIE in October 2026, with payments starting in November under a 15-year, 100% take-or-pay offtake agreement covering Phase I production. The US government-funded buyer is receiving product that meets contractual quality specifications. Pricing uses non-China benchmarks, with guaranteed floors for four key magnet rare earths. Production targets approximately 4,000 metric tons of total rare earth oxide annually by Q2 2027, increasing to 6,400 by year-end.




