ProMIS Neurosciences (PMN) Proxy filing summary

Executive summary

• The 2026 Annual Meeting will be held virtually on May 20, 2026, with shareholders able to vote electronically and submit questions online.

• Shareholders will vote on electing seven directors, ratifying Baker Tilly US, LLP as auditor, and approving an amendment to the 2025 Stock Option and Incentive Plan.

• The board recommends voting in favor of all proposals and has provided proxy materials online to reduce costs and environmental impact.

• Only shareholders of record as of March 23, 2026, are entitled to vote; 8,967,693 common shares are outstanding.

Voting matters and shareholder proposals

• Proposal 1: Elect seven directors to serve until the 2027 annual meeting.

• Proposal 2: Ratify Baker Tilly US, LLP as independent auditor for fiscal year ending December 31, 2026.

• Proposal 3: Approve an amendment to increase shares available under the 2025 Stock Option and Incentive Plan by 900,000 shares.

• Shareholders may submit proposals for the 2027 meeting by November 30, 2026, for inclusion in proxy materials.

Board of directors and corporate governance

• The board conducted a structured review of its composition, resulting in the nomination of Slanix Alex as a new independent director and the decision not to re-nominate Patrick Kirwin.

• Five directors are considered independent under Nasdaq and Canadian rules.

• The board and its committees (audit, compensation, governance/nomination) held regular meetings, with all directors attending at least 75% of meetings.

• The company has a Code of Business Conduct and Ethics and policies on insider trading and board diversity.