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SBI.TO ·

Tamesis Partners LLP Joint UK Broker

Regulatory & Compliance

For immediate release 11 February 2026 Serabi Gold plc ("Serabi" or the "Company")

Holding(s) in Company

The Board of Serabi announces that the Company has received the following TR-1 notification which is set out below.

Enquiries:

Serabi Gold plc
Michael HodgsonTel: +44 (0) 20 7246 6830
Chief ExecutiveMobile: +44 (0) 7799 473621
Andrew Khov
Vice President, Investor Relations & Business DevelopmentMobile +1 647 885 4874
Email: [email protected]
Website: www.serabigold.com
Beaumont Cornish Limited Nominated Adviser and Financial Adviser
Roland Cornish / Michael CornishTel: +44 (0) 20 7628 3396
Peel Hunt LLP Joint UK Broker
Ross AllisterTel: +44 (0) 20 7418 9000
Tamesis Partners LLP Joint UK Broker
Charlie Bendon / Richard GreenfieldTel: +44 (0) 20 3882 2868
Camarco Financial PR - Europe
Gordon Poole / Fergus YoungTel: +44(0) 20 3757 4980

Copies of this announcement are available from the Company's website at www.serabigold.com.

TR-1: Standard form for notification of major holdings

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)

1a. Identity of the issuer or the underlying issuer

Serabi Gold plc

of existing shares to which voting rights are at-

BG5NDX9 tached ii:

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 rightsX
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
NameClasse Roca Magma Multiestrategia Responsabili- dade Limitada do SSF IV Coinvestmento I Fundo de Investimento em Participações
City and country of registered office (if applicable)Rio de Janeiro, Brazil
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:05/02/2026
6. Date on which issuer notified (DD/MM/YYYY):06/02/2026
7. Total positions of person(s) subject to the notification obligation
% of voting rights at- tached to shares (to- tal of 8. A)% of voting rights through financial instru- ments (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 reached24.98999%0.0024.98999%18,926,056
Position of previous notification (if applicable)19.99%0.0019.99%15,146,902
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
Number of voting rights ix% of voting rights
Class/type of shares ISIN code (if possible)Direct (DTR5.1)Indirect (DTR5.2.1)Direct (DTR5.1)Indirect (DTR5.2.1)
Ordinary shares (GB00BG5NDX91)18,926,05624.98999
SUBTOTAL 8. A18,926,05624.98999
B 1: Financial Instruments according to DTR5.3.1R (1) (a)
Type of financial in- strumentExpiration date xExercise/ Conversion Period xiNumber of voting rights that may be acquired if the instrument is exercised/converted.% of voting rights
SUBTOTAL 8. B 1
B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b)
Type of financial instrumentExpiration date xExercise/ Conversion Pe- riod xiPhysical or cash Settlement xiiNumber of voting rights% of voting rights
SUBTOTAL 8.B.2
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 xiiiX
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

% of voting rights % of voting rights if it Total of both if it through financial in- equals or is higher equals or is higher Name xv struments if it equals

than the notifiable than the notifiable or is higher than the threshold threshold notifiable threshold

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 The person named in section 3 above (the "Fund") is an investment fund registered in Brazil and managed by Starboard Asset Ltda. (the "Fund Manager"). The Fund Manager has the ability to determine the manner in which the voting rights attached to the shares referred to in section 8A above will be exercised by the Fund, and as such is an indirect holder of shares for the purposes of the definition of shareholder pursuant to DTR 5.2.1R(h), DTR 5.2.2G(4) and DTR 5.2.3G. On that basis, this notification is submitted on behalf of the Fund and the Fund Manager pursuant to DTR 5.2.5R(2) and DTR 5.8.4R(4).

Place of completionSao Paulo, Brazil
Date of completion06/02/2026