Terrestrial Energy Stock Earnings Reports

Key points for investors: 1) Regulatory progress: Terrestrial Energy achieved a meaningful NRC milestone with approval of its Postulated Initiating Events (PIE) Topical Report and associated Safety Evaluation Report (SER), building on the 2025 SER for principal design criteria and reducing regulatory risk for future licensing and fleet replication. 2) DOE collaboration and test/fuel programs: The company executed an OTA with the U.S. Department of Energy to advance Project TETRA (test reactor assembly) and Project TEFLA (fuel line/pilot fuel production). Graphite irradiation testing at NRG Petten is ongoing to support materials qualification. 3) Fuel strategy advantage: IMSR uses standard-assay LEU (<5% U-235) rather than HALEU, which management positions as a deliberate commercial differentiator that avoids HALEU supply constraints and reduces regulatory complexity; TEFLA will industrialize the chemical/production steps to make IMSR fuel salt. 4) Commercial pipeline and partnerships: The company’s pipeline is ~10 IMSR plant projects (indicative ~7.8 GW after the Riot Platforms MOU). The Riot MOU targets colocated data centers/AI compute with potential use of natural gas as a bridging fuel. Management reiterated guidance to disclose 1–3 additional projects this year. 5) Financial position and outlook: Cash and investments were $289.9 million at quarter end, with quarterly cash burn of $7.9 million. Management expects burn to increase through 2026 as programs scale. R&D and G&A rose sequentially due to fuel/testing and team buildout; no debt and modest liabilities. 6) Execution focus: Management emphasized disciplined execution across three pillars (engineering/regulatory, supply chain, commercial pipeline) and intends to demonstrate milestone-by-milestone progress through 2026.