IMSR · Terrestrial Energy Inc.

David Hill’s resignation marks the departure of a long-tenured director who served on Terrestrial Energy Inc.’s Board since 2014 — a 12-year tenure suggesting deep familiarity with the Company’s strategic direction, particularly its development of the Integral Molten Salt Reactor (IMSR®) technology. While the filing explicitly states the resignation is voluntary and unrelated to any disagreement, the absence of disclosed succession planning, interim governance adjustments, or commentary on board refreshment strategy limits visibility into near-term implications for oversight continuity and technical governance expertise. Given Terrestrial Energy’s pre-revenue, development-stage status and reliance on regulatory milestones and capital raising, board stability and nuclear energy domain experience carry elevated relevance. No information is provided regarding whether Mr. Hill held committee memberships (e.g., Audit, Nominating, or Technology), nor whether his departure triggers a board size reduction or upcoming nomination process. Investors should monitor subsequent filings for director nominations or board committee disclosures to assess governance resilience during ongoing technology development and licensing activities.