DPM Metals Inc. — Proxy Solicitation & Information Statement 2026

Apr 6, 2026

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Need assistance?

Phone:

1300 850 505 (within Australia) +61 3 9415 4000 (outside Australia)

Online:

www.investorcentre.com/contact

DPM

MR SAM SAMPLE FLAT 123 123 SAMPLE STREET THE SAMPLE HILL SAMPLE ESTATE SAMPLEVILLE VIC 3030

DPM Metals Inc. Annual Meeting

The DPM Metals Inc. Annual Meeting will be held on Wednesday, 6 May 2026 at 11:00 a.m. (Eastern Time) / 11:00 p.m (AWST). You are encouraged to participate in the meeting using the following options:

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MAKE YOUR VOTE COUNT

To lodge a vote, access the Management Information Circular and other meeting documentation visit www.investorvote.com.au and use the below information:

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Control Number: 999999 SRN/HIN: I9999999999 PIN: 99999

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

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ATTENDING THE MEETING VIRTUALLY

CDI holders cannot vote at the virtual Meeting. They are strongly encouraged to submit their voting instructions well in advance.

CDI holders may attend the virtual Meeting at https://meetnow.global/M626UGD as guests. Guests can listen and ask questions but cannot vote.

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.

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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.

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

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.

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Control Number: 188682 SRN/HIN:

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.

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/i

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.

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

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
2. 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

3. 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.

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Step 3 Signature of Securityholder(s) This section must be completed.
Individual or Securityholder 1 Securityholder 2 Securityholder 3
/ /
Sole Director & Sole Company Secretary Director Director/Company Secretary Date
Update your communication details (Optional) By providing your email address, you consent to receive future Notice
Mobile Number Email Address of Meeting & Proxy communications electronically
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DPM