USA Rare Earth invests EUR 22.5M for 13.6% stake in French rare-earth processor Carester

Filed July 23, 2026 · Period ending July 22, 2026 · ~2 min read

Key Changes

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  USAR will invest EUR 22.5M in Carester SAS (France) for 13.6% stake: EUR 10.8M cash subscription plus EUR 11.7M paid in USAR common stock. Number of shares to be issued determined 9 days before closing based on USAR stock price and USD-EUR exchange rate.

  Item 7.01 — Regulation FD Disclosure verify on EDGAR →
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  USAR will also purchase existing Carester shares for EUR 17.5M cash: EUR 5.0M from founder and EUR 12.5M from Solvay subsidiary Rhodia Opérations, bringing total cash outlay to ~EUR 28M and removing Solvay as shareholder.

  Item 7.01 — Regulation FD Disclosure verify on EDGAR →
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  Carester's Caremag facility in Lacq, France scheduled for late 2026 commissioning will produce 800 tpa NdPr oxide, 500 tpa dysprosium oxide, 100 tpa terbium oxide when fully ramped—representing ~15% of current world production of Dy and Tb magnetic rare earth oxides.

  Exhibit 99.1 view on EDGAR →