Ms. Julie Paquet reports

NMG ANNOUNCES PRICING OF US$20 MILLION PUBLIC EQUITY OFFERING

Nouveau Monde Graphite Inc. has priced a public equity offering of 8,333,334 common shares of the company at a price of $2.40 (U.S.) per share for gross proceeds of $20-million (U.S.).

Maxim Group LLC is acting as sole placement agent for the offering.

The company intends to use the net proceeds from the offering for procurement of long-lead equipment, to initiate certain construction activities, to cover detailed engineering and indirect costs for the Matawinie mine project, to finance engineering activities to deliver an AACE Class 3 estimate for the 13,000-tonne-per-year Becancour battery material plant project, and to finance general working capital and corporate expenditures.

The common shares to be offered under the offering will be offered solely in the United States pursuant to a supplement to the company's registration statement on Form F-10 registering the common shares under the U.S. Securities Act of 1933, as amended, pursuant to the Multi-Jurisdictional Disclosure System adopted by the United States and Canada. No shares will be offered or sold in Canada.

In connection with the offering, the company has filed a preliminary prospectus supplement and will file a final prospectus supplement to the company's existing short form base shelf prospectus dated Dec. 5, 2025, filed in Canada, and the company's U.S. registration statement on Form F-10 filed with the U.S. Securities and Exchange Commission under the U.S. Securities Act, pursuant to the MJDS. The preliminary prospectus supplement, the final prospectus supplement, the base shelf prospectus and the registration statement contain important information about the company and the offering. Prospective investors should read the preliminary prospectus supplement, the final prospectus supplement, the base shelf prospectus and the registration statement, and the documents incorporated by reference therein before making an investment decision. Delivery of the preliminary prospectus supplement, the final prospectus supplement and any amendments to the documents will be provided in accordance with securities legislation relating to procedures for providing access to a shelf prospectus supplement and any amendment. The final prospectus supplement when filed in Canada (together with the related base shelf prospectus) will be available on SEDAR+ within two business days. The final prospectus supplement when filed in the United States (together with the registration statement) will be available on the SEC's website. Copies of the preliminary prospectus supplement and accompanying prospectus may be obtained by contacting Maxim Group LLC at 300 Park Ave., 16th floor, New York, N.Y., 10022, attention: syndicate department, or by telephone at 212-895-3745 or by e-mail at syndicate@maximgrp.com. The preliminary prospectus supplement contains important, detailed information about the company and the proposed offering. Prospective investors should read the prospectus supplement (when filed) before making an investment decision.

The offering is expected to close on or about Dec. 19, 2025, subject to a number of customary closing conditions, including NMG receiving all necessary regulatory approvals and the approval of the Toronto Stock Exchange and the New York Stock Exchange. There can be no assurance as to whether the offering will be completed.

About Nouveau Monde Graphite Inc.

Nouveau Monde Graphite is an integrated company developing responsible mining and advanced processing operations to supply the global economy with carbon-neutral advanced graphite materials. The company is developing in Quebec, Canada, a fully integrated ore-to-processed-graphite value chain to serve tomorrow's industries in energy, defence, technology and manufacturing. With recognized environmental, social and governance standards and structuring partnerships with major customers, Nouveau Monde is set to become a strategic supplier of advanced materials to leading specialized manufacturers while promoting sustainability, innovation and supply chain traceability.

We seek Safe Harbor.