Anglesey Mining Plc - Holding(s) in Company

TR-1: Standard form for notification of major holdings 1. Issuer Details ISIN GB0000320472 Issuer Name ANGLESEY MINING PLC UK or Non-UK Issuer UK 2. Reason for Notification An acquisition or disposal of voting rights; An acquisition or disposal of financial instruments 3. Details of person subject to the notification obligation Name Energold Minerals Inc. City of registered office (if applicable) Toronto Country of registered office (if applicable) Canada 4. Details of the shareholder Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above City of registered office (if applicable) Country of registered office (if applicable) 5. Date on which the threshold was crossed or reached 13-Mar-2026 6. Date on which Issuer notified 13-Mar-2026 7. Total positions of person(s) subject to the notification obligation +----------------+-----------+------------------+---------+-----------+ |. |% of voting|% of voting rights|Total of |Total | | |rights |through financial |both |number of | | |attached to|instruments (total|in % (8.A|voting | | |shares |of 8.B 1 + 8.B 2) |+ |rights held| | |(total | |8.B) |in issuer | | |of 8.A) | | | | +----------------+-----------+------------------+---------+-----------+ |Resulting |23.067800 |1.285700 |24.353500|15784566 | |situation on the| | | | | |date on | | | | | |which threshold | | | | | |was crossed or | | | | | |reached | | | | | +----------------+-----------+------------------+---------+-----------+ |Position of |26.592800 |0.000000 |26.592800| | |previous | | | | | |notification | | | | | |(if applicable) | | | | | +----------------+-----------+------------------+---------+-----------+ 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached 8A. Voting rights attached to shares +------------+----------------+------------------+-------------+-------------+ |Class/Type |Number of direct|Number of indirect|% of direct |% of indirect| |of shares |voting rights |voting rights |voting rights|voting rights| |ISIN code(if|(DTR5.1) |(DTR5.2.1) |(DTR5.1) |(DTR5.2.1) | |possible) | | | | | +------------+----------------+------------------+-------------+-------------+ |GB0000320472|14654853 |296380 |22.610500 |0.457300 | +------------+----------------+------------------+-------------+-------------+ |Sub Total |14951233 |23.067800% | |8.A | | | +------------+----------------+------------------+-------------+-------------+ 8B1. Financial Instruments according to (DTR5.3.1R.(1) (a)) +----------+----------+---------+-----------------------------------+------+ |Type of |Expiration|Exercise/|Number of voting rights that may be|% of | |financial |date |conve |acquired if the instrument is |voting| |instrument| |rsion |exercised/converted |rights| | | |period | | | +----------+----------+---------+-----------------------------------+------+ | | | | | | +----------+----------+---------+-----------------------------------+------+ |Sub Total | | | | |8.B1 | | | | +----------+----------+---------+-----------------------------------+------+ 8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b)) +--------------+----------+--------------+-----------+---------+---------+ |Type of |Expiration|Exercise/conve|Physical or|Number of|% of | |financial |date |rsion period |cash |voting |voting | |instrument | | |settlement |rights |rights | +--------------+----------+--------------+-----------+---------+---------+ |WARRANT |13 March | |Physical |833333 |1.285700 | | |2027 | | | | | +--------------+----------+--------------+-----------+---------+---------+ |Sub Total 8.B2| |833333 |1.285700%| +--------------+----------+--------------+-----------+---------+---------+ 9. Information in relation to the person subject to the notification obligation 2. 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 entities (please add additional rows as necessary) +-----------+-----------+------------------+-----------+----------------+ |Ultimate |Name of |% of voting rights|% of voting|Total of both if| |controlling|controlled |if it equals or is|rights |it equals or is | |person |undertaking|higher than the |through |higher than the | | | |notifiable |financial |notifiable | | | |threshold |instruments|threshold | | | | |if it | | | | | |equals or | | | | | |is higher | | | | | |than the | | | | | |notifiable | | | | | |threshold | | +-----------+-----------+------------------+-----------+----------------+ |John F. |John F. |0.457300 |0.000000 |0.457300% | |Kearney |Kearney | | | | +-----------+-----------+------------------+-----------+----------------+ |John F. |Energold |22.610500 |1.285700 |24.353500% | |Kearney |Minerals | | | | | |Inc. | | | | +-----------+-----------+------------------+-----------+----------------+ 10. In case of proxy voting 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 The number of issued and outstanding shares used for the calculations herein is 64,814,303 as per the Company's website as of 9 March 2026. The warrants, if exchanged, would result in the issue of new ordinary shares. Percentages in this notification are calculated using the issuer's most recent total voting rights disclosure; exchange of the warrants would increase the total voting rights. 12. Date of Completion 18-Mar-2026 13. Place Of Completion Toronto, Canada This information was brought to you by Cision http://news.cision.com