Recent Updates — HOND

Terrestrial Energy Inc. announced that Shawn Matthews resigned from its Board of Directors, effective July 27, 2026. The company stated that the resignation was not due to any disagreement regarding operations, policies, or practices. Terrestrial Energy Inc. operates in the nuclear energy industry, specializing in molten salt reactor technology.

Terrestrial Energy Inc. appointed Kathryn McCarthy to its Board of Directors, effective July 22, 2026. McCarthy brings extensive nuclear industry experience, including leadership roles at Oak Ridge National Laboratory, Canadian Nuclear Laboratories, and Idaho National Laboratory. The company also announced it will report second quarter 2026 earnings before the market opens on August 11, 2026, followed by a conference call at 8:30 a.m. Eastern Time. Terrestrial Energy is a developer of Generation IV small modular nuclear power plants using its Integral Molten Salt Reactor (IMSR) technology.

Terrestrial Energy Inc. furnished an investor presentation via its website and as Exhibit 99.1 to this report. The presentation outlines the company's Integral Molten Salt Reactor (IMSR) technology, a Generation IV small modular reactor designed to provide high-temperature thermal energy and electricity. The company highlights its capital-light business model, targeting a serviceable addressable market projected to reach $2.3 trillion by 2050 through industrial heat, electricity, and coal plant replacement sectors. Terrestrial Energy is a developer of advanced nuclear energy technologies.

Terrestrial Energy Inc. announced the departure of Steven Millsap from his roles as General Counsel, Secretary, and Chief Compliance Officer, effective September 12, 2026. The company is a developer of advanced nuclear energy technology.