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<title>Terrestrial Energy Achieves Key Safety Milestone with Nuclear Regulatory Commission</title>
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<pubDate>Thu, 23 Apr 2026 12:00:00 GMT</pubDate>
<description>Company submits foundational safety analysis to the NRC, advancing the IMSR toward licensed commercial operationCHARLOTTE, N.C., April 23, 2026 (GLOBE NEWSWIRE) -- Terrestrial Energy Inc. (NASDAQ: IMSR), a developer of Generation IV small modular nuclear power plants, has submitted a foundational safety analysis to the U.S. Nuclear Regulatory Commission (NRC), marking another milestone in the company’s systematic progress toward licensed commercial operation of its Integral Molten Salt Reactor (</description>
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<title>Terrestrial Energy Announces Fourth Quarter and Full Year 2025 Results</title>
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<pubDate>Mon, 30 Mar 2026 04:00:00 GMT</pubDate>
<description>Texas A&M University selected commercial IMSR plant for deployment at RELLIS campus U.S. Department of Energy selected both Terrestrial Energy reactor pilot</description>
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<title>Terrestrial Energy Announces Fourth Quarter and Full Year 2025 Earnings Release and Conference Call Date</title>
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<pubDate>Tue, 17 Mar 2026 04:00:00 GMT</pubDate>
<description>CHARLOTTE, N.C., March 17, 2026 (GLOBE NEWSWIRE) -- Terrestrial Energy Inc. (NASDAQ: IMSR) will report its fourth quarter and full year 2025 earnings before</description>
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<title>Terrestrial Energy to Participate in Upcoming Investor Conferences</title>
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<pubDate>Fri, 06 Mar 2026 21:05:00 GMT</pubDate>
<description>CHARLOTTE, N.C., March 06, 2026 (GLOBE NEWSWIRE) -- Terrestrial Energy Inc. (NASDAQ: IMSR) (“Terrestrial Energy” or “the Company”), a developer of small modular nuclear power plants using its Generation IV reactor technology, announced today that it will be participating in the following investor conferences: Cantor Fitzgerald’s Global Technology & Industrial Growth Conference in New York City on March 11th, 2026. The Company will be presenting at 11:20 a.m. ET.Canaccord Genuity's 2nd Annual CG</description>
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<title>Terrestrial Energy Publishes CEO Letter Recapping 2025 Accomplishments and Provides 2026 Milestones</title>
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<pubDate>Thu, 29 Jan 2026 12:30:00 GMT</pubDate>
<description>CHARLOTTE, N.C., Jan. 29, 2026 (GLOBE NEWSWIRE) -- Terrestrial Energy Inc. (NASDAQ: IMSR) (“Terrestrial Energy” or “the Company”), a developer of small modular nuclear power plants using its Generation IV Integral Molten Salt Reactor (IMSR) technology, today announced it has published a letter to stockholders from Simon Irish, Chief Executive Officer. The letter recaps 2025 accomplishments and provides 2026 milestones. The letter is available under the “Events and Presentations” section of the C</description>
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<title>Terrestrial Energy Executes DOE Agreement for Project TEFLA Under Fuel Line Pilot Program</title>
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<pubDate>Thu, 22 Jan 2026 05:00:00 GMT</pubDate>
<description>Company’s second OTA agreement with the US Department of Energy (DOE) provides an expedited pathway to authorize operation of TEFLA, a pilot plant for IMSR</description>
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<title>Terrestrial Energy to Participate in the 28th Annual Needham Growth Conference</title>
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<pubDate>Wed, 07 Jan 2026 21:05:00 GMT</pubDate>
<description>CHARLOTTE, N.C., Jan. 07, 2026 (GLOBE NEWSWIRE) -- Terrestrial Energy Inc. (NASDAQ: IMSR) (“Terrestrial Energy” or “the Company”), a developer of small modular nuclear power plants using its Generation IV reactor technology, announced today that it will participate in the 28th Annual Needham Growth Conference on Tuesday, January 13, 2026, in New York, NY. The Company is scheduled to present at 2:15 p.m. ET, with a live webcast and replay accessible via Terrestrial Energy’s investor relations web</description>
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<title>Terrestrial Energy Executes DOE Agreement for Project TETRA Under Advanced Reactor Pilot Program</title>
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<pubDate>Tue, 06 Jan 2026 05:00:00 GMT</pubDate>
<description>OTA agreement provides for construction and operation of Project TETRA, Terrestrial Energy’s pilot reactor using Integral Molten Salt Reactor technology</description>
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<title>Terrestrial Energy Further Strengthens Executive Leadership to Accelerate U.S. Commercialization of its Integral Molten Salt Reactor</title>
<link>https://6ix.com/company/terrestrial-energy-inc/news/terrestrial-energy-further-strengthens-executive-leadership-to-accelerate-us-commercialization-of-its-integral-molten-salt-reactor</link>
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<pubDate>Thu, 13 Nov 2025 13:00:00 GMT</pubDate>
<description>Appoints Jim Howe as Vice President of Government Relations and David O’Keefe as Vice President of Business Development & Project Management to Advance Partnerships with the Department of Energy and Texas A&MCHARLOTTE, N.C., Nov. 13, 2025 (GLOBE NEWSWIRE) -- Terrestrial Energy Inc. (NASDAQ: IMSR) (“Terrestrial Energy” or “the Company”), a developer of small modular nuclear power plants using its Generation IV reactor technology, today announced the appointments of Jim Howe as Vice President of G</description>
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<title>Terrestrial Energy, Westinghouse Sign Expanded Contract for IMSR Advanced Nuclear Fuel Plant at Springfields</title>
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<pubDate>Wed, 05 Nov 2025 05:00:00 GMT</pubDate>
<description>Agreement encompasses deconversion, fabrication, packaging, and transportation services for Integral Molten Salt Reactor (IMSR) fuel production, paving the</description>
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<title>Terrestrial Energy Inc. Appoints Sarfraz M. Taj as Vice President of Business Development</title>
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<pubDate>Tue, 04 Nov 2025 05:00:00 GMT</pubDate>
<description>Nuclear industry veteran brings two decades of M&A, strategic development, and international business experience from Constellation Energy Latest strategic</description>
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<title>Terrestrial Energy Inc. Begins Trading on the Nasdaq Stock Market</title>
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<pubDate>Wed, 29 Oct 2025 12:30:00 GMT</pubDate>
<description>Terrestrial Energy begins trading today under the new ticker symbol “IMSR” after completing its business combination with HCM II Acquisition Corp. Terrestrial Energy received in excess of $292 million of gross transaction proceeds, before expenses, to support its business plan and accelerate technology commercialization Terrestrial Energy’s Integral Molten Salt Reactor (IMSR) nuclear plants are designed to supply low-cost high-temperature, clean, firm and flexible heat and electricity, deliverin</description>
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<title>Terrestrial Energy Inc. Completes Business Combination with HCM II Acquisition Corp.</title>
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<pubDate>Tue, 28 Oct 2025 04:00:00 GMT</pubDate>
<description>Terrestrial Energy to begin trading on the Nasdaq Stock Market under ticker symbol “IMSR” on October 29, 2025 The transaction closed with gross proceeds</description>
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<title>Terrestrial Energy Selected for DOE Office of Nuclear Energy Fuel Line Pilot Program, Advancing Comprehensive Nuclear Supply Chain Strategy</title>
<link>https://6ix.com/company/terrestrial-energy-inc/news/terrestrial-energy-selected-for-doe-office-of-nuclear-energy-fuel-line-pilot-program-advancing-comprehensive-nuclear-supply-chain-strategy</link>
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<pubDate>Tue, 30 Sep 2025 04:00:00 GMT</pubDate>
<description>Fuel Line Pilot Program selection builds on Terrestrial Energy's Advanced Reactor Pilot Program participation, underscoring DOE’s confidence in the Company’s</description>
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<title>Terrestrial Energy Opens North Carolina Headquarters, Advancing U.S. Leadership in Generation IV Reactor Development</title>
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<pubDate>Thu, 04 Sep 2025 04:00:00 GMT</pubDate>
<description>Terrestrial Energy continues to advance commercialization of Integral Molten Salt Reactor (IMSR) technology to supply high-temperature, clean, firm and</description>
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<title>Terrestrial Energy Selected for DOE Office of Nuclear Energy Advanced Reactor Pilot Program for Accelerated Development</title>
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<pubDate>Tue, 12 Aug 2025 04:00:00 GMT</pubDate>
<description>Advanced Reactor Pilot Program launched by DOE to expedite authorization and commercialization of advanced nuclear reactor designs Terrestrial Energy’s</description>
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<title>Terrestrial Energy Appoints Robert W. Jones, Energy and Finance Veteran, to Board of Directors</title>
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<pubDate>Tue, 20 May 2025 04:00:00 GMT</pubDate>
<description>Mr. Jones brings more than five decades of energy and power finance experience, including as Vice Chairman of Investment Banking at Morgan Stanley Further</description>
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