Anglesey Mining Plc - Holding(s) in Company
TR-1: Standard form for notification of major holdings
NOTIFICATION OF MAJOR HOLDINGS(to be sent to the relevant issuer and to theFCA in Microsoft Word format if possible) i 1a. Identity of the issuer or the underlying issuer of existing shares towhich voting rights are attachedii: 1b. Please indicate if the issuer is a non- Anglesey Mining PLC 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 obligationiv Name YA II PN LTD An exempted company incorporated in the City and country of registered office Cayman Islands with limited liability, (if applicable) whose principal office is at 1012 Springfield Avenue, Mountainside, NJ 07092 USA 4. Full name of shareholder(s) (if different from 3.) vName City and country of registered office (if applicable) 5. Date on which the threshold was 13 March 2026 crossed or reachedvi: 6. Date on which issuer notified 25 March 2026 (DD/MM/YYYY): 7. Total positions of person(s) subject to the notification obligation Tot al num ber of vot ing % of voting rights rig % of voting rights through financial hts attached to shares instruments Total of both in % hel (total of 8. A) (total of 8.B 1 + (8.A + 8.B) d 8.B 2) in iss uer (8. A + 8.B ) vii Resulting situation 4,1 on the date on 6.43% 0.00 6.43% 66, which threshold was 666 crossed or reached Position of previous notification (if 0% 0.00 0% applicable)
8. Notified details of the resulting situation on the date on which the
threshold was crossed or reachedviii
A: Voting rights attached to shares
Class/type Number of voting % of voting rights
of rightsix
shares
Direct Indirect Direct Indirect
ISIN code
(if (DTR5.1) (DTR5.2.1) (DTR5.1) (DTR5.2.1)
possible)
Ordinary
Shares
4,166,666 0 6.43% 0
ISIN:
GB00BRYPS729
SUBTOTAL 8. 4,166,666 6.43%
A
B 1: Financial Instruments according to DTR5.3.1R (1) (a)
Type of Exercise/ Number of voting rights that may
financial Expiration Conversion be acquired if the instrument is % of voting
instrument datex Periodxi rights
exercised/converted.
SUBTOTAL 8. 0 0.00
B 1
B 2: Financial Instruments with similar economic effect according to DTR5.3.1R
(1) (b)
Type of Expiration Exercise/ Physical or cash Number of voting % of voting
financial datex Conversion rights rights
instrument Periodxi Settlementxii
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 x
controlling natural person or legal entity (please add additional rows as
necessary) xiv
Tot
al
of
bot
h
if
it
equ
als
% of voting rights through or
% of voting rights if it financial instruments if is
Namexv equals or is higher than it equals or is higher hig
the notifiable threshold than the notifiable her
threshold tha
n
the
not
ifi
abl
e
thr
esh
old
Yorkville Advisors Global 6.43% 6.43% 6.4
II, LLC (General Partner) 3%
Yorkville Advisors 6.4
Global, LP (Investment 6.43% 6.43% 3%
Manager)
YA II PN, Ltd 6.43% 6.43% 6.4
3%
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 informationxvi
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 | |___________________|______________________|
