Result of Placing and Subscription

THE INFORMATION CONTAINED WITHIN THIS ANNOUNCEMENT IS DEEMED BY THE COMPANY TO CONSTITUTE INSIDE INFORMATION AS STIPULATED UNDER THE MARKET ABUSE REGULATION (EU) NO. 596/2014 AS IT FORMS PART OF UK DOMESTIC LAW PURSUANT TO THE EUROPEAN UNION (WITHDRAWAL) ACT 2018, AS AMENDED. UPON THE PUBLICATION OF THIS ANNOUNCEMENT VIA A REGULATORY INFORMATION SERVICE, THIS INFORMATION IS CONSIDERED TO BE IN THE PUBLIC DOMAIN.

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24 April 2026

Arc Minerals Ltd

("Arc" or "the Company")

Result of Placing and Subscription

PDMR Dealing

Arc Minerals (LSE: ARCM), an exploration company focused on discovering and developing Tier 1 copper deposits in Africa, is pleased to announce that further to the announcement made on 23 April 2026 (the "Launch Announcement"), the Bookbuild has now closed and the Company has raised £3.0 million in aggregate (before expenses) through the placing of 425,000,000 Placing Shares and a subscription of 325,000,000 Subscription Shares at the Issue Price pence of 0.4 pence per Ordinary Share. Zeus Capital acted as sole bookrunner in connection with the Placing, with Shard assisting with the fundraise as joint broker.

In addition, Directors, PDMRs and certain contractors have agreed to subscribe for new Ordinary Shares in the Creditor Subscription pursuant to which those parties will subscribe for 261,479,051 Creditor Subscription Shares at the Issue Price and the subscription monies due of £1,045,916.21 in respect of the Creditor Subscription Shares shall be off-set against amounts outstanding and owing to those persons such that the Company shall be deemed to have repaid the amounts due to be repaid and those sums shall then be applied to the subscription monies due in respect of the Creditor Subscription Shares. 259,604,051 Creditor Subscription Shares were issued to Board Directors and PDMRs of the Company as set out below. The Creditor Subscription is not part of the Placing or the Subscription.

The Placing is subject to the conditions set out in the Launch Announcement.

As part of the Fundraise, the Company will also issue 1,011,479,051 Warrants, in the ratio of one warrant for every one New Share placed and subscribed for as part of the Fundraise and Creditor Subscription following Admission. The terms of the Warrants are detailed in the Launch Announcement.

Rémy Welschinger, CEO of Arc Minerals, commented: "We are very pleased with the support received through this fundraise. We are now fully funded for an exciting exploration campaign this year in the only licence held by a junior inside the Zone 5 Corridor of the Kalahari Copper Belt. We are currently running an extensive geophysical programme prior to drilling in the second half of the year. I would like to thank existing shareholders and new investors who participated in the fundraise for their backing."

Director/PDMR participation in the Creditor Subscription

As set out above, certain Board Directors and PDMRs of the Company have agreed to participate in the Creditor Subscription and have applied the amounts due to them to subscribe for Ordinary Shares of the Company at the Issue Price as part of the Creditor Subscription. The details of their participation in the Creditor Subscription and the associated issue of Warrants is set out below:

The above Board Directors and PDMRs of the Company will also be issued with Warrants as detailed in the table below, on the same terms as the Placees, subscribers in the Subscription and other participants in the Creditor Subscription. 

Related Party Transaction

The aggregate participation of the Board Directors of the Company, being Nick von Schirnding, Rémy Welschinger and Brian McMaster who collectively have subscribed for 183,615,117 Creditor Subscription Shares, is a related party transaction pursuant to AIM Rule 13 (the "Transaction"). The Director independent of the Transaction, Abyudi James Shonga, considers, having consulted with the Company's nominated adviser, Zeus Capital, that the terms of the directors' participation in the Transaction are fair and reasonable insofar as the Shareholders are concerned.

Admission and Total Voting Rights

Application will be made to the London Stock Exchange for admission of the New Shares (a total of 1,011,479,051 new Ordinary Shares) to trading on AIM. It is expected that Admission will become effective and dealings in the Placing Shares and Subscription Shares will commence on AIM at 8.00 a.m. on 30 April 2026 (the "Admission").

The New Shares will be issued fully paid and will rank pari passu in all respects with the Company's existing Ordinary Shares.

On Admission, the total number of Ordinary Shares in the capital of the Company in issue will be 2,459,587,314 with voting rights. This figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company's share capital pursuant to the Company's articles of association.

Unless otherwise defined, all capitalised terms used but not defined in this announcement shall have the meaning as given to them in the Launch Announcement.

For further information visit www.arcminerals.com or contact:

Notes

Arc Minerals Ltd (LSE: ARCM) is an AIM-quoted copper exploration company focused on developing assets across two of Africa's most prospective copper belts. Its flagship Kabompo West Project in Zambia is located within the Western Domes of the Central African Copperbelt, host to multiple Tier 1 copper deposits, where extensive work has confirmed widespread mineralisation and multiple target areas. The Company also holds the Virgo Project in Botswana, situated in the Kalahari Copper Belt within the highly prospective MMG Zone 5 corridor. Arc is led by an experienced team with expertise across mining, capital markets and in-country operations.