5E Advanced Materials Secures IOI for 3,750–4,500 Ton Annual Boric Acid offtake Over 5 Years
FEAM•5E Advanced Materials signed an indication of interest with a domestic industrial end-user for boric acid and calcium sulfate from its Fort Cady facility, covering a five-year term with annual offtake volumes between 3,750 and 4,500 short tons. The IOI features fixed pricing with annual escalation, pending product quality evaluation.
1. Indication of Interest Details
5E Advanced Materials announced it signed a non-binding indication of interest with a U.S.-based industrial end-user for purchasing boric acid and calcium sulfate from its Fort Cady Integrated Boron Facility. The IOI outlines a five-year term with annual offtake volumes of 3,750 to 4,500 short tons at fixed pricing subject to annual escalation, pending product quality and production evaluations.
2. Building Commercial Momentum
This marks the company’s second commercial milestone in two months, following a 10-year offtake heads of agreement signed in May. The consecutive milestones underscore growing industrial demand for domestic boron supply and validate 5E’s customer outreach efforts across multiple end markets.
3. Next Steps Toward Bankability
5E continues advancing discussions to convert non-binding IOIs and heads of agreement into definitive purchase agreements. Securing binding offtake contracts is a key step toward Fort Cady’s path to bankability and a final investment decision, supporting the project’s financing and construction readiness.




