Exhibit 99.4

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Consent of Independent Registered Public Accounting Firm

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We hereby consent to the incorporation by reference in this Annual Report on Form 40-F for the year ended December 31, 2021 of Nouveau Monde Graphite Inc. of our report dated March 23, 2022, relating to the consolidated financial statements, which appears in .2 incorporated by reference in this Annual Report on Form 40-F.

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We also consent to the incorporation by reference in the Registration Statement on Form F-10 (333-256340) of Nouveau Monde Graphite Inc. of our report dated March 23, 2022 referred to above.

We also consent to the reference to us under the heading “Interests of Experts” which appears in the Annual Information Form included in the incorporated by reference in this Annual Report on Form 40-F, which is incorporated by reference in such Registration Statement.

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PricewaterhouseCoopers LLP/s.r.l./s.e.n.c.r.l.

1250 René-Lévesque Boulevard West, Suite 2500, Montréal, Quebec, Canada H3B 4Y1

T: +1 514 205 5000, F: +1 514 876 1502

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“PwC” refers to PricewaterhouseCoopers LLP/s.r.l./s.e.n.c.r.l., an Ontario limited liability partnership.