Intention to Float

THIS ANNOUNCEMENT IS NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, IN OR INTO OR FROM THE UNITED STATES OF AMERICA (INCLUDING ITS TERRITORIES AND POSSESSIONS, ANY STATE OF THE UNITED STATES AND THE DISTRICT OF COLUMBIA, COLLECTIVELY THE "UNITED STATES"), CANADA, AUSTRALIA, SOUTH AFRICA, JAPAN OR ANY OTHER JURISDICTION WHERE SUCH DISTRIBUTION WOULD BE UNLAWFUL. FURTHER THIS ANNOUNCEMENT SHALL NOT CONSTITUTE OR FORM PART OF ANY OFFER TO SELL OR THE SOLICITATION TO SELL OR ISSUE OR THE SOLICITATION TO BUY, SUBSCRIBE FOR OR OTHERWISE ACQUIRE ORDINARY SHARES OF HALO MINERALS PLC (THE "COMPANY") IN ANY JURISDICTION.

Neither this Announcement, nor anything contained herein, nor anything contained in the admission document to be prepared and published by the Company in accordance with the AIM Rules for Companies published by the London Stock Exchange plc (the "Admission Document") shall  form the basis of, form part of, or be relied upon in connection with, or act as any inducement to enter into an offer or commitment whatsoever in any jurisdiction. Investors should not subscribe for or purchase any securities referred to in this Announcement except solely on the information contained in the Admission Document in its final form (together with any supplementary admission document if relevant),  including the risk factors set out or to be set out therein, that may be published by the Company  in connection with the proposed admission of the ordinary shares of the Company to trading on the AIM market of the London Stock Exchange plc. A copy of any Admission Document published by the Company will, if published, be available for inspection on the Company's website at https://halominerals.co.uk, subject to certain access restrictions.

16 March 2026

Halo Minerals PLC

("Halo Minerals", the "Company" and together with its subsidiaries, the "Group")

Intention to Float

Halo Minerals PLC, the copper development company focused on extracting critical minerals from legacy mining waste, is pleased to announce its intention to seek admission of its ordinary shares to trading on the AIM Market ("AIM") of the London Stock Exchange plc ("Admission").

The Group's principal asset is the Playa Verde Project (the "Project") comprising six mining concessions over an area of approximately 13.57km² of copper-bearing tailings located in the coastal town of Chañaral in the Atacama Region of northern Chile.

Highlights:

·    The Company has conditionally raised approximately £4 million through the placing of new ordinary shares in the Company to certain institutional investors (the "Placing").

·    The Company is seeking Admission in order to take advantage of AIM's profile, broad investor base, liquidity and access to institutional and other investors and to further support the achievement of the Company's strategic objectives.

·    Cairn Financial Advisers LLP is acting as the Company's Nominated Adviser with Global Investments Strategy UK Limited acting as the Company's Broker.

·    The Company's shares are expected to be admitted to AIM in March 2026 and will have the AIM ticker of HALO.

Andrew Dennan, Chief Executive Officer of Halo commented:

"We are delighted to announce our intention to seek admission of Halo on AIM. 

Admission to AIM represents a significant milestone for the Company. The Board believes that being publicly traded will enhance our visibility, broaden our shareholder base and provide a platform from which to pursue our long-term growth strategy."

Enquiries:

The Board

Andrew Dennan (aged 41) - Chief Executive Officer

Mr Dennan has extensive public company experience and has served as Chief Executive Officer of Halo Minerals PLC since 2024 (having previously been a Non-Executive Director of the Company since 2019). Additionally, he has been a Director of Gemi Global Limited since 2025, Copper Bay Limited since 2025, and an investment adviser at Almace Asset Management LLP since 2023. Previously he was Chief Executive Officer at Ascent Resources PLC from 2020-2025, Chief Financial Officer at Coro Energy PLC from 2018-2020 (followed by Non-Executive Director from 2020-2022) and a Non-Executive Director at Alpha Growth PLC from 2015-2019. Prior to this, Mr Dennan was a partner at Baron Lux LLP from 2013-2020, Head of Investments at Darwin Strategic Limited from 2013-2018 and partner at Astin Capital LLP from 2011-2012. Mr Dennan graduated from Cass Business School in 2007 with a BSc Actuarial Science; he commenced his career at Bridge Hall Stockbrokers Limited followed by Pretium Securities Limited.

Francis Jackson (aged 77) - Chief Financial Officer

Mr Jackson currently serves as Chief Financial Officer and Director at Halo Minerals PLC since 2024 (having previously been a Non-Executive Director of the Company since 2011). Prior to this he was the founding shareholder and director of Cool Planet Technologies from 2019 till 2024; the Commercial Director at Aurelian Oil & Gas Limited from 2002-2009, Chief Financial Officer at Saudi Arabian Amiantit Company from 2000-2005, Chief Executive Officer at Trade & Investment Bank Limited and a Director at National Merchant Bank in Zimbabwe Limited from 1997-1999, Director at Medusa Petroleum Limited (European oil exploration company) from 1994-2002 and Director at Ryan Group from 1988-1989, having joined the company in the early 1980s. Mr Jackson was a founder and Chairman of the British Polish Chamber of Commerce from 1992-1993, remaining a Director until 1995, and Chairman of a school and a theatre in Harare, Zimbabwe between 1979-1999. Additionally, he was a co-Founder of St John's College Cardiff in 1983.

Erick Pegot-Ogier Pelagatti (aged 42) - Chief Operating Officer

Mr Pegot-Ogier was the General Manager at Boku Resources SAC from 2024-2025, co-Founder and Chief Executive Officer at Quantica Inversiones Peru SAC, Director at Cuantica Metals SAC and its affiliates from 2017-2023. Prior to this, he was General Manager at Promotores Ejecutivos SAC (trading as Promesa) from 2014-2017. Mr Pegot-Ogier graduated from Universidad de Lima in 2007 with an LLB Law and commenced his career as legal counsel at Consorcio de Inversiones del Pacifico SAC (Pacific Investment JV) from 2008-2013; he subsequently gained an MBA from Hult International Business School in 2014.

David Minchin (aged 45) - Senior Independent Non-executive Director

David Minchin is a highly experienced Managing Director with over 20 years in exploration geology and corporate finance. He has a proven track record in project management, M&A, and fundraising, having successfully led several London IPOs. Mr Minchin has extensive experience in African operations, having managed $450 million in private equity investments into exploration projects across various commodities. His recent roles include Chairman of Helix Exploration plc, Chief Geologist at Evechem GmbH, CEO of Helium One Global Limited, and Director of Geology at AMED Funds. Mr Minchin's leadership has been instrumental in advancing projects from exploration to production and generating value for stakeholders.

Daniel Bloor (aged 44) - Independent Non-executive Director

Daniel Bloor brings over 22 years of international minerals and exploration experience to the Board. Starting as a geologist, Mr Bloor progressed into consulting, advisory and executive leadership, establishing ventures focused on raw materials, technology and sustainability. He is skilled in fundraising, technical due diligence, strategic development and currently holds multiple executive positions. Mr Bloor's career highlights include co-founding The CloudMiner Limited, leading international business development for Chengdu Chemphys Chemical Industries as well as serving as Technical Director for Tethyan Mining Resources and Barracuda Holdings. He has significant expertise in project valuations, capital raising, and technical oversight across Europe, Asia, Africa, and the Americas.

IMPORTANT NOTICES

THIS ANNOUNCEMENT AND THE INFORMATION CONTAINED HEREIN, IS RESTRICTED AND IS NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, IN OR INTO OR FROM THE UNITED STATES, CANADA, AUSTRALIA, SOUTH AFRICA, JAPAN OR ANY JURISDICTION IN WHICH THE SAME WOULD BE UNLAWFUL

This Announcement has been issued by and is the sole responsibility of the Company.

This information contained in this Announcement is restricted and is not for release, publication or distribution, directly or indirectly, in whole or in part, in, into or from the United States, Australia, Canada, Japan or the Republic of South Africa or any jurisdiction in which the same would be unlawful.

This Announcement is for information purposes only and does not constitute an offer to sell or issue or the solicitation of an offer to buy, acquire or subscribe for shares in the capital of the Company in the United States, Australia, Canada, Japan or the Republic of South Africa or any other jurisdiction where such offer or solicitation may be restricted, unlawful or unauthorised. Any failure to comply with these restrictions may constitute a violation of the securities laws of such jurisdictions. Subject to certain exemptions, the securities referred to herein may not be offered or sold in Canada, Australia, the Republic of South Africa or Japan or to, or for the account or benefit of any national resident or citizen of Canada, Australia, the Republic of South Africa or Japan. The ordinary shares in the capital of the Company ("Ordinary Shares") have not been and will not be registered under the United States Securities Act of 1933, as amended ("Securities Act") or the securities laws of any other jurisdiction of the United States, and may not be offered, sold, taken up, exercised, resold, renounced, delivered or transferred, directly or indirectly, in the United States absent registration under the Securities Act or an available exemption from, or in a transaction not subject to, the registration requirements of the Securities Act and the securities laws of any other jurisdiction of the United States. There will be no public offer of the securities in the United States. Neither the US Securities and Exchange Commission nor any securities regulatory body of any state or other jurisdiction of the United States, nor any securities regulatory body of any other country or political subdivision thereof, has approved or disapproved of this document or the securities discussed herein or passed on or endorsed the merits of the Placing or the accuracy or adequacy of the contents of this Announcement. Any representation to the contrary is a criminal offence in the United States.

No prospectus will be made available in connection with the matters contained in this Announcement and no such prospectus is required (in accordance with the UK Prospectus Regulation (as defined below)) to be published.

This Announcement is addressed to and directed only at persons who are (a) persons in member states of the European Economic Area who are "qualified investors" within the meaning of paragraph 2 of Schedule 1 of the Public Offers and Admissions to Trading Regulations 2024 (SI 2024/105, as amended) or (b) persons in the United Kingdom who are "qualified investors" within the meaning of paragraph 2 of Schedule 1 of the Public Offers and Admissions to Trading Regulations 2024 (SI 2024/105, as amended) and who (i) have professional experience in matters relating to investments and fall within the definition of "investment professionals" in Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005, as amended (the "Order"), or (ii) are high net worth companies, unincorporated associations or partnerships or trustees of high value trusts as described in article 49(2) of the Order, or (c) persons to whom it may otherwise be lawful to communicate it (all such persons together being referenced to as "relevant persons"). Any investment in connection with the Placing will only be available to, and will only be engaged with, relevant persons. Any person who is not a relevant person should not act or rely on this Announcement or any of its contents.

This Announcement is not being distributed by, nor has it been approved for the purposes of section 21 of the Financial Services and Markets Act 2000 (as amended) ("FSMA") by, a person authorised under FSMA. This announcement is being distributed and communicated to persons in the UK only in circumstances in which section 21(1) of FSMA does not apply. Cairn Financial Advisers LLP ("Cairn"), which is authorised and regulated in the United Kingdom by the FCA, has not authorised the contents of this Announcement and is acting exclusively for the Company, and no one else, in connection with Admission and the other matters referred to in this Announcement, and is not advising or treating as a client any other person nor will it be responsible to any person other than the Company (whether or not a recipient of this Announcement) for providing the protections afforded to its customers or for providing advice in relation to Admission or any other matters referred to in this Announcement. Neither Cairn nor any of its affiliates accepts any responsibility whatsoever for the contents of the information contained in this Announcement or for any other statement made or purported to be made by or on behalf of Cairn or any of its affiliates in connection with the Company or Admission.

Global Investment Strategy Limited ("GIS") is acting only for the Company in connection with the matters described in this Announcement and is not acting for or advising any other person, or treating any other person as its client, in relation thereto and will not be responsible for providing the regulatory protection afforded to clients of GIS or advice to any other person in relation to the matters contained herein.

Such persons should seek their own independent legal, investment and tax advice as they see fit. The distribution of this Announcement and the offering of the Placing Shares in certain jurisdictions may be restricted by law. No action has been taken by the Company, Cairn or GIS that would permit an offering of such shares or possession or distribution of this Announcement or any other offering or publicity material relating to such shares in any jurisdiction where action for that purpose is required.

This Announcement contains (or may contain) certain forward-looking statements with respect to certain of the Company's current expectations and projections about future events. These statements, which sometimes use words such as "aim", "anticipate", "believe", "intend", "plan" "estimate", "expect" and words of similar meaning, reflect the directors' beliefs and expectations and involve a number of risks, uncertainties and assumptions that could cause actual results and performance to differ materially from any expected future results or performance expressed or implied by the forward-looking statement. Statements contained in this Announcement regarding past trends or activities should not be taken as a representation that such trends or activities will continue in the future. The information contained in this Announcement is subject to change without notice and, except as required by applicable law or regulation, neither the Company nor Cairn nor GIS nor their respective affiliates assume any responsibility or obligation to update publicly or review any of the forward-looking statements contained herein. You should not place undue reliance on forward-looking statements, which speak only as of the date of this Announcement.

No statement in this Announcement is or is intended to be a profit forecast or profit estimate or to imply that the earnings of the Company for the current or future financial years will necessarily match or exceed the historical or published earnings of the Company. The price of shares and the income from them may go down as well as up and investors may not get back the full amount invested on disposal of the shares.

Neither the content of the Company's website nor any website accessible by hyperlinks on the Company's website is incorporated in, or forms part of, this Announcement.