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Anglesey Mining #AYM – Anglesey Advances Resource Growth Upside at Parys Mountain
Anglesey Mining plc (AIM: AYM), the UK-based mineral exploration and development company and the 100% owner of the Parys Mountain Cu-Zn-Pb-Ag-Au VMS project (“Parys Mt.”) in Anglesey, North Wales, is pleased to announce a strategic operations update.
Highlights
- Appointment of two geologists: Principal and Exploration
- Commencement of review of Mineral Resource Estimate (“MRE”) update
- Delineation of further exploration targets
- Reconciliation of historical geological data, geophysics and geo-metallurgy
- Previously proposed hydro scheme will not proceed
The Company recently appointed a Principal Geologist to help spearhead the review of all historical data at Parys Mt., including core log assays, which have not been incorporated in the previous MRE from 2023. Older drill core will also be re-evaluated for potential incorporation into an updated MRE model. Significant work has already commenced in this regard, and an update will be provided in due course. In addition, an Exploration Geologist has joined the team at Parys Mt. to assist with the archiving of historic geological data and to oversee the systematic exploration efforts. The work is already underway to help provide efficiency in the oversight of data analysis and continuity going forward.
Current initial evaluations of historic drill core and underground sampling analysis clearly demonstrate the enormity of the contained data. Cataloguing this data into a user-friendly format will be instrumental for the systematic success of the Parys Mt. project. The amount of data recovered thus far demonstrates an opportunity to showcase Parys Mt. through improved data collation.
Exploration efforts are continuing; the preliminary results of our Phase-1 aero-magnetic programme recently undertaken have indicated anomalies consistent with VMS deposits, which will warrant ground-based follow-up work. A follow-up aero-geophysics programme is planned to extend the coverage area outside the confines of our Phase-1 programme. In addition, our previously reported Geospatial Exploration programme is nearing completion, and the upcoming results will incorporate the aero-magnetic findings. This programme will continue to target further areas of interest.
Recently, our Executive Chairman, Jim Williams, was invited for a preliminary meeting with the recently appointed First Minister of Wales and Member of the Senedd. This meeting was constructive, and we envisage further dialogue.
The current management team have further evaluated the previous proposed high-density hydro initiative as a source for power generation and concluded the benefit is not worth any further financial commitment or management time. Furthermore, this initiative would not align with the flagship project of Parys Mt., which is outlined to be a mining operation, and the only common critical path would entail the dewatering of the Morris shaft. Management has agreed not to proceed with this previous proposal. Anglesey has the facility to purchase green energy from local suppliers, which generate electrical power from both wind turbines and solar panels, which are abundant on the Isle of Anglesey.
Andrew Fulton, Chief Executive Officer of Anglesey, commented:
“I am already pleasantly surprised with the huge upside potential of Parys Mountain, the UK’s largest polymetallic asset, after having been in the role for just over one month. Our recent appointments of two geologists have already started reviewing the large amount of archived data, and now the ability to transform this data into a meaningful interpretation is gathering momentum.
“I am very experienced with the UK mining industry, having been involved with significant and successful developments in the UK. With my expertise, my ambition is to develop Parys Mountain into a flourishing mining operation. Metal prices, particularly copper, gold and zinc, have been on a general upward trajectory in recent times, which we believe has given the UK a mandate to be less reliant on importing certain metals. This will become the foundation on which we will drive our strategic plans.”
For further information, please visit the Company’s website: www.angleseymining.co.uk
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For further information, please contact:
Anglesey Mining plc (via Yellow Jersey PR Limited)
Jim Williams, Executive Chairman
Andrew Fulton, CEO
angleseymining@yellowjerseypr.com
Davy
Nominated Adviser & Joint Corporate Broker
Brian Garrahy/Daragh O’Reilly
Tel: +353 1 679 6363
AlbR Capital Limited
Joint Corporate Broker
Lucy Williams/Duncan Vasey
Tel: +44 (0)20 7562 0930
Yellow Jersey PR Limited
Financial & Media Relations
Dominic Barretto/Shivantha Thambirajah
Tel: +44 (0)20 3004 9512
About Anglesey Mining plc:
Anglesey is advancing the UK’s largest polymetallic VMS project at the 100% owned Parys Mountain Cu-Zn-Pb-Ag-Au VMS deposit in North Wales.
Anglesey Mining #AYM – Issue of Shares
Anglesey Mining plc (AIM:AYM), the UK minerals development company, announces the issue of 772,500 new ordinary shares of nominal value £0.01 (“Fee Shares”) in settlement of director fees for former members of the Company’s board of directors.
Application will be made for the Fee Shares, which will rank pari passu with the existing Ordinary Shares in the Company, to be admitted to trading on AIM (“Admission”). It is expected that Admission will become effective on or around 17 June 2026.
Following Admission, the Company’s total issued share capital will consist of 65,586,803 Ordinary Shares. As such, the total number of voting rights in the Company will be 65,586,803 Ordinary Shares. This number 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 under the FCA’s Disclosure and Transparency Rules.
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For further information, please contact:
Anglesey Mining plc (via Yellow Jersey PR Limited)
Jim Williams, Executive Chairman
Andrew Fulton, Chief Executive Officer
angleseymining@yellowjerseypr.com
J&E Davy
Nominated Adviser & Joint Corporate Broker
Brian Garrahy / Daragh O’Reilly – Tel: +353 1 679 6363
AlbR Capital Limited
Joint Corporate Broker
Lucy Williams/Duncan Vasey
Tel: +44 (0)20 7562 0930
Yellow Jersey PR Limited
Financial & Media Relations
Dominic Barretto/Shivantha Thambirajah
Tel: +44 (0)20 3004 9512
About Anglesey Mining plc:
Anglesey is advancing the UK’s largest copper project at the 100% owned Parys Mountain Cu-Zn-Pb-Ag-Au VMS deposit in North Wales.
Anglesey Mining #AYM – Acquisition of Option on Anglesey Stock
Anglesey Mining plc (AIM: AYM) announces that on 10 June 2026 it received the notification set out below, made in accordance with Article 19 of the UK Market Abuse Regulation.
Notification and public disclosure of transactions by persons discharging managerial responsibilities and persons closely associated with them
1. Details of the person discharging managerial responsibilities / person closely associated
a) Name:
Jim Williams
2. Reason for the notification
a) Position/status:
Executive Chairman
b) Initial notification/Amendment:
Initial notification
3. Details of the issuer
a) Name:
Anglesey Mining plc
b) LEI:
213800X8BO8EK2B4HQ71
4. Details of the transaction(s)
a) Description of the financial instrument, type of instrument; Identification code:
Option (right to acquire) over ordinary shares of £0.01 each in Anglesey Mining plc. ISIN of underlying security: GB0000320472.
b) Nature of the transaction:
Acceptance of a call option to acquire existing ordinary shares, exercisable until 5 June 2028. The option does not involve the issue of any new ordinary shares.
c) Price(s) and volume(s):
Price: £0.02 per share. Volume: 1,465,485 shares.
d) Aggregated information – Aggregated volume; Price:
1,465,485 shares at £0.02 per share.
e) Date of the transaction:
5 June 2026
f) Place of the transaction:
Outside a trading venue
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For further information, please contact:
Anglesey Mining plc (via Yellow Jersey PR Limited)
Jim Williams, Executive Chairman
Andrew Fulton, Chief Executive Officer
angleseymining@yellowjerseypr.com
J&E Davy
Nominated Adviser & Joint Corporate Broker
Brian Garrahy / Daragh O’Reilly – Tel: +353 1 679 6363
LEI: 213800X8BO8EK2B4HQ71
Anglesey Mining #AYM – Issuance of Share Options
Anglesey Mining plc (AIM: AYM) announces that on 5 June 2026 it granted options over a total of 3,700,000 ordinary shares of £0.01 each to directors and employees of the Company under the Company’s existing share option arrangements. Each option has an exercise price of £0.06 (6 pence) per share, vests as to one-third on grant and one-third on each of the first and second anniversaries of grant, and will lapse on 5 June 2031.
Details of the grants made to directors are set out in the notification below, made in accordance with Article 19 of the UK Market Abuse Regulation.
Notification And Public Disclosure Of Transactions By Persons Discharging Managerial Responsibilities And Persons Closely Associated With Them
1. Details of the person discharging managerial responsibilities/person closely associated
a) Name:
i. Jim Williams
ii. Andrew Fulton
iii. Brendan Cahill
iv. Martin Wood
v. Taj Singh
2. Reason for the notification
a) Position/status:
i. Executive Chairman (PDMR)
ii. Chief Executive Officer (PDMR)
iii. Non-Executive Director (PDMR)
iv. Non-Executive Director (PDMR)
v. Non-Executive Director (PDMR)
b) Initial notification/Amendment:
Initial notification
3. Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a) Name:
Anglesey Mining Plc
b) LEI:
213800X8BO8EK2B4HQ71
4. Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a) Description of the financial instrument, type of instrument; Identification code:
Share options over ordinary shares of 1 pence each
ISIN: GB0000320472
b) Nature of the transaction:
Award of share options over ordinary shares. Each option has an exercise price of £0.06, vests as to one-third on grant and one-third on each of the first and second anniversaries of grant, and will lapse on 5 June 2031.
c) Price(s) and volume(s):
i. 6 pence – 1,000,000
ii. 6 pence – 1,000,000
iii. 6 pence – 500,000
iv. 6 pence – 500,000
v. 6 pence – 500,000
d) Aggregated information – Aggregated volume; Price:
3,500,000 – 6 pence
e) Date of the transaction:
5 June 2026 (in each case)
f) Place of the transaction:
Outside a trading venue
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For further information, please contact:
Anglesey Mining plc (via Yellow Jersey PR Limited)
Jim Williams, Executive Chairman
Andrew Fulton, Chief Executive Officer
angleseymining@yellowjerseypr.com
J&E Davy
Nominated Adviser & Joint Corporate Broker
Brian Garrahy / Daragh O’Reilly – Tel: +353 1 679 6363
Anglesey Mining #AYM – Change of Nominated Adviser

Following an internal restructuring of Davy Group companies, the Company announces that it has changed its Nominated Adviser from Davy Corporate Finance to J&E Davy, with immediate effect.
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For further information, please contact:
Anglesey Mining plc (via Yellow Jersey PR Limited)
Jim Williams, Executive Chairman
angleseymining@yellowjerseypr.com
J&E Davy
Nominated Adviser & Joint Corporate Broker
Brian Garrahy/Daragh O’Reilly
Tel: +353 1 679 6363
AlbR Capital Limited
Joint Corporate Broker
Lucy Williams/Duncan Vasey
Tel: +44 (0)20 7562 0930
Yellow Jersey PR Limited
Financial & Media Relations
Dominic Barretto/Shivantha Thambirajah
Tel: +44 (0)20 3004 9512
About Anglesey Mining plc:
Anglesey is advancing the UK’s largest copper project at the 100% owned Parys Mountain Cu-Zn-Pb-Ag-Au VMS deposit in North Wales.
Anglesey Mining #AYM – Directorate Changes
Anglesey Mining plc (AIM:AYM), the UK-based mineral exploration and development company, today announces the following changes to the Company’s board of directors (the “Board”).
Rob Marsden will resign from the Board with immediate effect and, to support an orderly handover process, will step down from his role as Chief Executive Officer (“CEO”) of Anglesey on the 31 st May 2026.
Following the significant strategic and financial repositioning of Anglesey over the past 6 months, both the Board and Rob have agreed that this is now an appropriate time to transition leadership of the Company. The Board has commenced the process to appoint Rob’s successor.
In addition, Andrew King, currently Non-Executive Chairman, will step down from this role, effective immediately, and will remain as a Non-Executive Director. Jim Williams, currently Non-Executive Director, will become Executive Chair effective immediately.
On behalf of the Board, Jim Williams will lead the process to appoint a CEO. Further announcements regarding the appointment of a new CEO, as well as an operational update, will be released in due course.
The Board would like to thank Rob for his contribution to the Company and we wish him well in his future endeavours.
For further information, please contact:
Anglesey Mining plc
Jim Williams, Executive Chairman – Tel: +44 (0)7774 274836
Davy
Nominated Adviser & Joint Corporate Broker
Brian Garrahy / Daragh O’Reilly – Tel: +353 1 679 6363
ALBR Capital Limited Tel: +44 (0)20 7562 0930
Joint Broker
Lucy Williams / Duncan Vasey
Anglesey Mining #AYM – Major Shareholding
TR-1: Standard form for notification of major holdings – YA II PN LTD acquire 4,166,666 shares at 6p and now own 6.43% of the company
| NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible) i | ||||||
| 1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ii : | Anglesey Mining PLC | |||||
| 1b. Please indicate if the issuer is a non-UK issuer (please mark with an “X” if appropriate) | ||||||
| Non-UK issuer | ||||||
| 2. Reason for the notification (please mark the appropriate box or boxes with an “X”) | ||||||
| An acquisition or disposal of voting rights | x | |||||
| An acquisition or disposal of financial instruments | ||||||
| An event changing the breakdown of voting rights | ||||||
| Other (please specify) iii : | ||||||
| 3. Details of person subject to the notification obligation iv | ||||||
| Name | YA II PN LTD | |||||
| City and country of registered office (if applicable) | An exempted company incorporated in the Cayman Islands with limited liability, whose principal office is at 1012 Springfield Avenue, Mountainside, NJ 07092 USA | |||||
| 4. Full name of shareholder(s) (if different from 3.) v | ||||||
| Name | ||||||
| City and country of registered office (if applicable) | ||||||
| 5. Date on which the threshold was crossed or reached vi : | 13 March 2026 | |||||
| 6. Date on which issuer notified (DD/MM/YYYY): | 25 March 2026 | |||||
| 7. Total positions of person(s) subject to the notification obligation | ||||||
|
|
||||||
| % of voting rights attached to shares (total of 8. A) | % of voting rights through financial instruments (total of 8.B 1 + 8.B 2) |
Total of both in % (8.A + 8.B) | Total number of voting rights held in issuer (8.A + 8.B) vii | |||
| Resulting situation on the date on which threshold was crossed or reached | 6.43% | 0.00 |
6.43%
|
4,166,666
|
||
| Position of previous notification (if
applicable) |
0% | 0.00 | 0% | |||
| 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached viii | |||||||||
| A: Voting rights attached to shares | |||||||||
| Class/type of shares ISIN code (if possible) |
Number of voting rights ix | % of voting rights | |||||||
| Direct
(DTR5.1) |
Indirect
(DTR5.2.1) |
Direct
(DTR5.1) |
Indirect
(DTR5.2.1) |
||||||
| Ordinary Shares
ISIN: GB00BRYPS729 |
4,166,666 | 0 | 6.43% | 0 | |||||
| SUBTOTAL 8. A | 4,166,666 | 6.43% | |||||||
|
|
|||||||||
| B 1: Financial Instruments according to DTR5.3.1R (1) (a) | |||||||||
| Type of financial instrument | Expiration date x |
Exercise/ Conversion Period xi |
Number of voting rights that may be acquired if the instrument is
exercised/converted. |
% of voting rights | |||||
| SUBTOTAL 8. B 1 | 0 | 0.00 | |||||||
|
|
|||||||||
| B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b) | |||||||||
| Type of financial instrument | Expiration date x |
Exercise/ Conversion Period xi |
Physical or cash
Settlement xii |
Number of voting rights | % of voting rights | ||||
| SUBTOTAL 8.B.2 | 0 | 0.00 | |||||||
|
|
|||||||||
| 9. Information in relation to the person subject to the notification obligation (please mark the
applicable box with an “X”) |
||||
| Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer xiii | ||||
| Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entity (please add additional rows as necessary) xiv |
x | |||
| Name xv | % of voting rights if it equals or is higher than the notifiable threshold | % of voting rights through financial instruments if it equals or is higher than the notifiable threshold | Total of both if it equals or is higher than the notifiable threshold | |
| Yorkville Advisors Global II, LLC (General Partner) | 6.43% | 6.43% | 6.43% | |
| Yorkville Advisors Global, LP (Investment Manager) | 6.43% | 6.43% | 6.43% | |
| YA II PN, Ltd | 6.43% | 6.43% | 6.43% | |
| 10. In case of proxy voting, please identify: | ||||
| Name of the proxy holder | ||||
| The number and % of voting rights held | ||||
| The date until which the voting rights will be held | ||||
| 11. Additional information xvi | ||||
| Yorkville Advisors Global, LP is the Investment Manager of YA II PN Ltd and exercises voting rights on behalf of YA II PN Ltd. Yorkville Advisors Global II, LLC controls Yorkville Advisors Global, LP in its capacity as General Partner. | ||||
| Place of completion | London, United Kingdom |
| Date of completion | 25 March 2026 |
Anglesey Mining #AYM – Exercising of Energold Warrants

Anglesey Mining plc (AIM : AYM), the UK minerals exploration and development company, announces the issue of 4,607,081 new ordinary shares in accordance with the company’s news releases of the 5 and 11 December 2025. Anglesey received notification on the 25 February 2026 from Energold Minerals Inc. (“Energold”) to convert its warrants (the “Warrants”) to 4,607,081 new Ordinary Shares.
Energold completed a strategic investment of £350,000 in Anglesey through the purchase of exchangeable warrants priced at 7.6 pence each (price adjusted for post-dating share consolidation announced on 12 February 2026), representing a 17% premium on the 25 February 2026 closing price.
Anglesey’s focus is now on development of its wholly owned Parys Mountain copper-zinc-lead-silver-gold project on the Isle of Anglesey, North Wales; one of the largest undeveloped polymetallic deposits in the United Kingdom.
Rob Marsden Chief Executive Officer of Anglesey Mining, commented:
“We are pleased Energold has exercised all of its warrants; this further strengthens Anglesey’s shareholder register and reflects continued confidence from its largest and longstanding shareholder. Together with the recently completed debt restructuring, this transaction marks another important step in reinforcing our financial position.
With a strengthened balance sheet, Anglesey is now able to fully focus on delivering an exploration and development strategy for all our shareholders, at its 100%-owned Parys Mountain copper-zinc-lead-gold project”
John Kearney , Chairman of Energold Minerals, commented:
“I have supported Anglesey Mining plc for over 30 years, including serving as Chairman until October 2023. Copper is a strategically critical mineral, and Parys Mountain represents the only advanced mine development opportunity in the United Kingdom. Energold Minerals’ continued investment, including through our exercise of 7.6p warrants, reflects our ongoing long-term support for Anglesey Mining and the Parys Mountain Project.”
Application for Admission
Application will be made for the 4,607,081 new Ordinary Shares to be admitted to trading on AIM (“Admission”). It is expected that Admission will become effective and that dealings in the new Ordinary Shares will commence on AIM at 8.00 a.m. on or around 4 March 2026.
Following Admission, the Company’s issued share capital will comprise 53,089,307 Ordinary Shares. This figure may be used by shareholders as the denominator for calculations by which they can determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA’s Disclosure Guidance and Transparency Rules.
For further information, please contact:
Anglesey Mining plc
Rob Marsden, Chief Executive Officer – Tel: +44 (0)7531 475111
Andrew King, Chairman – Tel: +44 (0)7825 963700
Davy
Nominated Adviser & Joint Corporate Broker
Brian Garrahy / Daragh O’Reilly – Tel: +353 1 679 6363
Stockbox podcast with Alan Green, Mark Fairbairn and Dan Flynn covering #REE, #ECR, #DGQ & #AYM
Stockbox podcast with Alan Green, Mark Fairbairn and Dan Flynn covering:
- Altona Rare Earths #REE
- ECR Minerals #ECR
- Delta Gold Technologies #DGQ
- Anglesey Mining #AYM