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CNL and Terrestrial Energy to Collaborate on Regulatory Safeguards for IMSR Power Plant Operation

Oakville, Ontario, Canada – September 15, 2020 –Terrestrial Energy is pleased to announce an agreement with Canadian Nuclear Laboratories (CNL) to collaborate on a program of work evaluating Safeguards related to the operation of Terrestrial Energy’s Integral Molten Salt Reactor (IMSR®), a Generation IV advanced nuclear power plant. The work will involve establishing material accounting methods to track the IMSR®’s nuclear fuel salt and is being supported by CNL’s Canadian Nuclear Research Initiative (CNRI). The CNRI was launched in 2019 to support the deployment and advance the commercialization of SMRs, as envisioned in Canada’s SMR Roadmap, by using the facilities and expertise within Canada’s national nuclear laboratories.

“Safeguards” is an international regulatory framework that ensures the security of nuclear material. This system is administered in Canada by the Canadian Nuclear Safety Commission and verified internationally by the International Atomic Energy Agency (IAEA) under national treaty arrangements. IAEA, established in 1957, is an international organization that seeks to promote the peaceful use of nuclear energy.

Terrestrial Energy has developed a Safeguards program for the IMSR® power plant operation. These Safeguards follow Canadian Nuclear Safety Commission (CNSC) regulatory requirements on Safeguards and nuclear material accountancy.

“The CNRI program was established to make our facilities and researchers easily accessible to SMR developers, such as Terrestrial Energy, so that we can help support deployment of these technologies,” said Joe McBrearty, CNL’s President and CEO. “This CNRI-supported project will help to enable Terrestrial Energy’s IMSR® Safeguard program and methods, which are essential for regulatory approval. We look forward to working with Terrestrial Energy on this important project.”

“CNL has a long and reputed history delivering world-class services to the nuclear industry, and we intend to leverage this expertise as part of our supply chain strategy,” said Simon Irish, CEO of Terrestrial Energy. “We are pleased to be collaborating with CNL’s expert team on Safeguards for the operation of the IMSR®, a Generation IV nuclear power plant.”

The IMSR®’s molten salt fuel cycle has been designed to meet the stringent nuclear safety, performance, and reliability requirements for IMSR® power plant operation. The collaboration agreement between CNL and Terrestrial Energy further strengthens the relationship between the two companies that started in June 2016 with a Master Task Agreement for consulting, technical and scientific services.


About Terrestrial Energy

Terrestrial Energy is a developer of Generation IV advanced nuclear power plants that use its proprietary Integral Molten Salt Reactor (IMSR®) technology. IMSR® technology represents true innovation in cost reduction, versatility and functionality of nuclear power plants. IMSR® power plants will provide zero-carbon, reliable, dispatchable, cost-competitive electric power and high grade industrial heat for use in many industrial applications, such as chemical synthesis and desalination, and in so doing extend the application of nuclear energy far beyond electric power markets. They have the potential to make important contributions to industrial competitiveness, energy security, and economic growth. Their deployment will support rapid global decarbonization of the primary energy system by displacing fossil fuel combustion across a broad spectrum. Using an innovative design, and proven and demonstrated molten salt reactor

technology, Terrestrial Energy is engaged with regulators and industrial partners to complete IMSR® engineering and to commission first IMSR® power plants in the late 2020s.




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Terrestrial Energy is an industry-leading technology company committed to delivering reliable, emission-free, and cost-competitive nuclear energy with a truly innovative advanced reactor design, the Integral Molten Salt Reactor (IMSR®).