展品99.3

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委任代理持有人 本人/我們是新世界石墨公司(“本公司”)普通股的持有人,特此任命:本公司總裁兼首席執行官Eric Desaulniers先生,否則任命本公司首席財務官Charles-Oivier Tarte先生,Or __________________________________________________________________________________ Print您指定的人員的姓名,如果此人不是以上所列人員的代表,請出席,在聖米歇爾聖徒QC J0K 3B0福克斯路600號舉行的公司股東年度大會和特別大會(“會議”)之前,代表簽署人按照以下指示(或如果沒有給出任何指示,則按 委託書認為合適)就所有下列事項和任何其他事項行事和投票,並使用Lumi會議平臺於6月16日(星期四)通過LUMI會議平臺在線在線直播和投票。2022年上午11:00(東部時間),以及在其任何和所有延期或延期時,以相同的方式、相同的程度和相同的權力,猶如下列簽署人親自出席一樣,並具有完全替代的權力。若要在會議上參與、互動、提問或投票,與會者將需要一個控制號碼(請參閲此註冊股東委託書中規定的控制號碼)和以下 密碼:“nou2022”(區分大小寫)。如果您指定的委託書持有人不是上面列出的委託書持有人,則除了通過郵寄、傳真、電子郵件或互聯網將您的委託書交回多倫多證券交易所信託公司(“多倫多證券交易所”)外,, 您還必須撥打多倫多證券交易所1 866 751-6315(加拿大和美國免費)或1 212 235-5754(其他國家/地區),或在上午11:00之前填寫電子表格www.tsxtrust.com/control-number-Request.(東部時間)2022年6月14日 正確註冊您的代理權持有人,以便多倫多證券交易所可以通過電子郵件向該代理權持有人提供13位的代理權持有人控制號。這樣的13位 代理人控制編號將不同於本委託書中規定的控制編號。如果沒有13位代理人控制號碼,您的代理人將無法 在會議上參與、互動、提問或投票,但可以作為嘉賓出席。 管理層的投票建議以框上突出顯示的文本表示。 請使用深黑色鉛筆或鋼筆。 1.選舉保留董事對於扣留 1.丹尼爾·伯龍5.Nathalie Pilon 對他的支持 2.Eric Desaulniers6.詹姆斯·斯嘉麗(James Scarlett) 3.阿恩·H·弗蘭森(Arne H Frandsen)7.安德魯·威利斯(Andrew Willis) 4.於爾根·科勒(Jürgen Köhler) 2.任命審計師 任命普華永道(Pricewaterhouse Coopers)LLP作為公司的外部審計師,並授權董事為 扣繳 設定其薪酬 3.股票期權計劃 以考慮和,如果認為是可取的, 通過一項關於批准和確認本公司股票期權計劃的決議(載於管理委託書 通告的附表“A”) 根據加拿大證券法,您有權收到某些投資者文件。如果您希望收到此類材料,請勾選下面適用的方框 。您也可以訪問我們的網站https://ca.astfinancial.com/financialstatements並輸入代碼7528a。 我希望收到季度財務報表我希望收到年度財務報表 我/我們授權您按照上述説明行事。本人/我們特此撤銷先前就該會議作出的任何委託書。如果以上未指明投票指示 ,則此代表將按照管理層的建議進行投票,或者,如果您指定了其他代表持有人,則按照該其他代表持有人認為合適的方式進行投票。在會議上提出的任何修改或變更或適當提交的任何新業務,我/我們授權您投票,因為您看到的是fit. _________________________________________________________ 個簽名日期 請嚴格按照您的姓名在此委託書上簽名。有關説明,請參閲反面。所有委託書必須在上午11:00之前收到。(東部時間)2022年6月14日。

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Form of Proxy – Annual General and Special Meeting of Shareholders of Nouveau Monde Graphite Inc. (the “Corporation”) to be held on June 16, 2022 (the “Meeting”) This Form of Proxy is solicited by and on behalf of Management. Notes 1. Every holder of common shares of the Corporation (the “Common Shares”) has the right to appoint some other person or company of its choice, who need not be a holder of Common Shares, to attend and act on its behalf at the Meeting or any adjournment or postponement thereof. If you wish to appoint a person or company other than the persons whose names are printed herein, please insert the name of your chosen proxyholder in the space provided (see reverse). 2. If the securities are registered in the name of more than one holder of Common Shares (for example, joint ownership, trustees, executors/liquidators), then all those registered should sign this proxy. If you are voting on behalf of a corporation or another individual, you must sign this proxy and state your signing capacity, and you may be required to provide documentation evidencing your proxy signing authority. 3. This proxy should be signed in the exact manner as the name(s) appear(s) on the proxy. 4. If this proxy is not dated, it will be deemed to bear the date on which it is mailed by management to the holder of Common Shares. 5. The securities’ voting right represented by this proxy will be voted as directed by the holder of Common Shares, however, if such a direction is not made in respect of any matter, this proxy will be voted as recommended by Management. 6. The proxyholder will exercise the securities’ voting right represented by this proxy by voting “for”, “against” or “withhold” for each of the matters described herein, as applicable, in accordance with the instructions of the holder of Common Shares on any ballot that may be called for and, if the holder of Common Shares has specified a choice with respect to any matter to be acted on, the securities will be voted accordingly. 7. This proxy confers discretionary authority in respect of amendments to matters identified in the notice of meeting or other matters that may properly be brought at the Meeting or any adjournment or postponement thereof. 8. This proxy should be read in conjunction with the documentation prepared by management. All proxies must be received by 11:00 a.m. (Eastern Time) on June 14, 2022. How to Vote VOTE USING THE TELEPHONE 24 HOURS A DAY, 7 DAYS A WEEK! INTERNET x Go to www.tsxtrust.com/vote-proxy x Cast your vote online x View Meeting documents TELEPHONE Use any touch-tone phone, call toll free in Canada and United States 1-888-489-7352 and follow the voice instructions. To vote by Internet or telephone you will need your control number. If you vote by Internet or telephone, DO NOT return this proxy. MAIL, FAX or EMAIL x Complete and return your signed proxy in the envelope provided or send to: TSX Trust Company P.O. Box 721 Agincourt, ON M1S 0A1 x You may alternatively fax your proxy to 1-416-368-2502 or toll free in Canada and United States to 1-866-781-3111 or scan and email to proxyvote@tmx.com. An undated proxy is deemed to bear the date on which it is mailed by management to you.