DPM Metals Inc. — Proxy Solicitation & Information Statement 2026

Apr 2, 2026

DPM METALS

DPM METALS INC.

ARBN 689 370 894

Need assistance?

Phone:

1300 850 505 (within Australia)

+61 3 9415 4000 (outside Australia)

Online:

www.investorcentre.com/contact

YOUR VOTE IS IMPORTANT

For your vote to be effective it must be received by 9:00 a.m. (AWST) on Friday, 1 May 2026.

CDI Voting Instruction Form

How to Vote on Items of Business

Each CHESS Depositary Interest (CDI) is equivalent to one share of Company Common Stock, so that every 1 (one) CDI registered in your name at Tuesday, 17 March 2026 entitles you to one vote.

You can vote by completing, signing and returning your CDI Voting Instruction Form. This form gives your voting instructions to CHESS Depositary Nominees Pty Ltd, which will vote the underlying shares on your behalf. You need to return the form no later than the time and date shown above to give CHESS Depositary Nominees Pty Ltd enough time to tabulate all CHESS Depositary Interest votes and to vote on the underlying shares.

SIGNING INSTRUCTIONS FOR POSTAL FORMS

Individual: Where the holding is in one name, the securityholder must sign.

Joint Holding: Where the holding is in more than one name, all of the securityholders should sign.

Power of Attorney: If you have not already lodged the Power of Attorney with the Australian registry, please attach a certified photocopy of the Power of Attorney to this form when you return it.

Companies: Only duly authorised officer/s can sign on behalf of a company. Please sign in the boxes provided, which state the office held by the signatory, ie Sole Director, Sole Company Secretary or Director and Company Secretary. Delete titles as applicable.

Lodge your Form:

Online:

Lodge your vote online at www.investorvote.com.au using your secure access information or use your mobile device to scan the personalised QR code.

Your secure access information is

Control Number: 188682
SRN/HIN:

By Mail:

Computershare Investor Services Pty Limited
GPO Box 242
Melbourne VIC 3001
Australia

By Fax:

1800 783 447 within Australia or
+61 3 9473 2555 outside Australia

PLEASE NOTE: For security reasons it is important that you keep your SRN/HIN confidential.

You may elect to receive meeting-related documents, or request a particular one, in electronic or physical form and may elect not to receive annual reports. To do so, contact Computershare.

324417_0_COSMOS_Sample_Proxy/000001/000001/1

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Change of address. If incorrect, mark this box and make the correction in the space to the left. Securityholders sponsored by a broker (reference number commences with 'X') should advise your broker of any changes.

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CDI Voting Instruction Form

Please mark ☐ to indicate your directions

Step 1

CHESS Depositary Nominees Pty Ltd will vote as directed

Voting Instructions to CHESS Depositary Nominees Pty Ltd

I/We being a holder of CHESS Depositary Interests of DPM Metals Inc. hereby direct CHESS Depositary Nominees Pty Ltd to vote the shares underlying my/our holding at the Annual Meeting of DPM Metals Inc. to be held as a virtual meeting on Wednesday, 6 May 2026 at 11:00 a.m. (Eastern Time) / 11:00 p.m. (AWST) and at any adjournment or postponement of that meeting.

By execution of this CDI Voting Form the undersigned hereby authorises CHESS Depositary Nominees Pty Ltd to appoint such proxies or their substitutes to vote in their discretion on such business as may properly come before the meeting.

Step 2

Items of Business

PLEASE NOTE: If you mark the Withhold box for an item, you are directing CHESS Depositary Nominees Pty Ltd or their appointed proxy not to vote on your behalf on a show of hands or a poll and your votes will not be counted in computing the required majority.

VOTING RECOMMENDATIONS ARE INDICATED BY HIGHLIGHTED TEXT OVER THE BOXES.

1. Election of Directors

	For	Against		For	Against		For	Against
01. Nicole Adshead-Bell	☐	☐	02. Robert M. Bosshard	☐	☐	03. Jaimie Donovan	☐	☐
04. Martin Horgan	☐	☐	05. Kalidas Madhavpeddi	☐	☐	06. Juanita Montalvo	☐	☐
07. David Rae	☐	☐	08. Marie-Anne Tawil	☐	☐

For Withhold

1. Appointment of Auditor

Appointment of PricewaterhouseCoopers LLP, Chartered Professional Accountants, as auditor of the Company for the ensuing year and authorizing the directors to set the auditor's remuneration.

For Against

1. Approach to Executive Compensation

To consider, and if deemed appropriate, to pass a non-binding, advisory resolution accepting the Company's approach to executive compensation, as more particularly described in the accompanying management information circular.

Step 3

Signature of Securityholder(s)

This section must be completed.

Individual or Securityholder 1

Sociale your communication details (Optional)

Mobile Number

Securityholder 2

Director

Securityholder 3

Director/Company Secretary

Date

By providing your email address, you consent to receive future Notice of Meeting & Proxy communications electronically

DPM

Computershare

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