Terrestrial Energy provides 2025 milestones and 2026 outlook; raised $292M in business combination

Terrestrial Energy Inc. /DE/

Completed business combination with HCM II, raising ~$292M gross proceeds and listing on Nasdaq under IMSR.
Selected by Texas A&M to site a commercial IMSR plant at RELLIS campus; partnered with Ameresco for project development.
Entered final phase of graphite irradiation tests at NRG PALLAS; received two DOE OTA awards for pilot reactor and fuel line.
Fuel services agreement with Westinghouse; uses SALEU (<5% enriched U-235), avoiding HALEU supply challenges.
2026 priorities: TETRA pilot reactor criticality and TEFLA fuel salt pilot; targeting fleet deployment in the 2030s.

item 7.01 item 9.01

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accession 0001104659-26-007880

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