Itafos Inc., listed on TSX-V as IFOS and OTCQX as ITFS, based in Houston, shared on May 14, 2026, that it has amended its sulfuric acid supply contract with Rio Tinto, emphasizing its ongoing partnership with Kennecott, a U.S. copper producer. This contract is vital for Itafos' phosphate product manufacturing at its Conda, Idaho plant. This amendment signifies a significant step in securing the necessary resources, underscoring the company's commitment to long-term sustainability and growth.