Annual and Special Meeting of Shareholders

28 April 2026 -

NMG will hold its annual general and special meeting of shareholders (the “Meeting”) on Wednesday, May 13, 2026, at 10 a.m. (Eastern Time) via live webcast at https://virtual-meetings.tsxtrust.com/en/1931. NMG is holding the Meeting as a completely virtual meeting, which all shareholders, regardless of geographic location, will have an equal opportunity to attend. Items on the agenda include (a) the presentation of the Company’s consolidated audited financial statements for the fiscal years ended December 31, 2025, and 2024, and the independent auditor’s report thereon; (b) the election of directors named in the management information circular; (c) the appointment of the external auditor; (d) the approval of proposed private placements with Investissement Québec, the Canada Growth Fund and ENI, (e) the amendments to outstanding warrants to insiders, and (f) the approval of the potential issuance of common shares resulting from the exercise of warrants or the conversion of existing financial instruments. Registered shareholders and duly appointed proxyholders are encouraged to vote their shares in advance of the Meeting.

The meeting will be complemented with a corporate presentation by Founder, President and CEO Eric Desaulniers providing an update on the Company’s key projects, commercial engagement, and growth plan.

Shareholders entitled to vote at the meeting will be those who are shareholders as at the close of business on the record date, being April 6, 2026. Electronic copies of the notice of meeting, the management information circular, the proxy form, the voting instruction form and the financial statements are or will be available, as the case may be, on the Company’s SEDAR+ and EDGAR profile, NMG’s website and at http://www.meetingdocuments.com/TSXT/NOU. The Company’s financial reports and 2025 Annual Report are also posted online on NMG’s website for ease of consultation.

Media

Julie Paquet
VP Communications & ESG Strategy
+1 450-757-8905
 extension 140

Investors

Marc Jasmin
Director, Investor Relations
+1 450-757-8905
 extension 993