Lightbridge Announces Start of Irradiation Testing of its Enriched Uranium-Zirconium Alloy Samples in Advanced Test Reactor at Idaho National Laboratory

RESTON, Va., Nov. 19, 2025 (GLOBE NEWSWIRE) -- Lightbridge Corporation (Nasdaq: LTBR), a leader in advanced nuclear fuel technology, today announced the start of irradiation testing of its enriched uranium-zirconium alloy fuel material samples in the Advanced Test Reactor (ATR) at Idaho National Laboratory (INL). This milestone represents a significant step forward in the Company’s fuel development and testing program conducted under its Cooperative Research and Development Agreement (CRADA) with INL.

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