NEO Battery Materials Ltd. — AGM Information 2023

Jan 21, 2023

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NEO Battery Materials Ltd

Form of Proxy – Annual and Special Meeting to be held on February 21, 2023

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United Kingdom Building 350 – 409 Granville St Vancouver, BC V6C 1T2

Appointment of Proxyholder

I/We being the undersigned holder(s) of NEO Battery Materials Ltd (the “ Company ”) hereby appoint Sungbum Huh or failing this person, Nancy Zhao OR

Print the name of the person you are appointing if this person is someone other than the Management Nominees listed herein:

as my/our proxyholder with full power of substitution and to attend, act, and to vote for and on behalf of the holder in accordance with the following direction (or if no directions have been given, as the proxyholder sees fit) and all other matters that may properly come before the Annual and Special Meeting of NEO Battery Materials Ltd to be held at 700-838 West Hastings Street, Vancouver BC at 3:30 pm or at any adjournment thereof.

For Against 1. Number of Directors. To set the number of directors to be elected at the Meeting to at 7 (seven). 2. Election of Directors. For Withhold For Withhold For Withhold a. Sungbum Huh b. Larry Okada c. John Kowalchuk d. Roberto Fia e. Chris Chung f. Sung Rock Hwang g. Jong Hyeok Park For Withhold 3. Appointment of Auditors. To appoint DeVisser Gray LLP, Chartered Professional Accountants as auditors of the Company For Against 4. Rolling Stock Option Plan. To approve the Company’s 10% rolling stock option plan, as described in Circular 5. Change of the Business. To approve the Change of Business (the "Change of Business", as defined in Exchange Policy) of the Company from a mining issuer to a For Against technology issuer. 6. Special Resolution. To approve an application under the Business Corporations Act (British Columbia) (“BCBCA”), pursuant to section 308 of the BCBCA, for For Against

6. Special Resolution. To approve an application under the Business Corporations Act (British Columbia) (“BCBCA”), pursuant to section 308 of the BCBCA, for authorization to continue under the Business Corporations Act (Ontario) (“OBCA”) and an application under the OBCA, pursuant to section 180 of the OBCA, for a Certificate of Continuance continuing the Company as a corporation pursuant to the OBCA.

Authorized Signature(s) – This section must be completed for your instructions to be Signature(s): executed.

I/we authorize you to act in accordance with my/our instructions set out above. I/We hereby revoke any proxy previously given with respect to the Meeting. If no voting instructions are indicated above, this Proxy will be voted as recommended by Management.

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Interim Financial Statements – Check the box to the right if you would like to receive interim financial statements and accompanying Management’s Discussion & Analysis by mail. See reverse for instructions to sign up for delivery by email.

Annual Financial Statements – Check the box to the right if you would like to receive the Annual Financial Statements and accompanying Management’s Discussion and Analysis by mail. See reverse for instructions to sign up for delivery by email.

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This form of proxy is solicited by and on behalf of Management.

Proxies must be received by 3:30pm, Local Time, on February 16, 2023.

Notes to Proxy

1. Each holder has the right to appoint a person, who need not be a holder, to attend and represent him or her at the Annual and Special Meeting. If you wish to appoint a person other than the persons whose names are printed herein, please insert the name of your chosen proxyholder in the space provided on the reverse.

2. If the securities are registered in the name of more than one holder (for example, joint ownership, trustees, executors, etc.) then all of the registered owners must sign this proxy in the space provided on the reverse. If you are voting on behalf of a corporation or another individual, you may be required to provide documentation evidencing your power to sign this proxy with signing capacity stated.

3. This proxy should be signed in the exact manner as the name appears 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.

5. The securities represented by this proxy will be voted as directed by the holder; however, if such a direction is not made in respect of any matter, this proxy will be voted as recommended by Management.

6. The securities represented by this proxy will be voted or withheld from voting, in accordance with the instructions of the holder, on any ballot that may be called for and, if the holder 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 come before the meeting.

8. This proxy should be read in conjunction with the accompanying documentation provided by Management.

INSTEAD OF MAILING THIS PROXY, YOU MAY SUBMIT YOUR PROXY USING SECURE ONLINE VOTING AVAILABLE ANYTIME:

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To Vote Your Proxy Online please visit: https://login.odysseytrust.com/pxlogin

You will require the CONTROL NUMBER printed with your address to the right.

If you vote by Internet, do not mail this proxy.

To request the receipt of future documents via email and/or to sign up for Securityholder Online services, you may contact Odyssey Trust Company at www.odysseycontact.com.

Voting by mail may be the only method for securities held in the name of a corporation or securities being voted on behalf of another individual. A return envelope has been enclosed for voting by mail.

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