REG-Serabi Gold Files NI 43-101 Technical Report for the Palito Complex

Serabi GoldAnnouncement

12/09/2025 10:45

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Serabi Gold Files NI 43-101 Technical Report for the Palito Complex

Serabi Gold (AIM:SRB, TSX:SBI; OTCQX: SRBIF) the Brazilian focused gold mining
and development company, is pleased to announce that it has publicly filed its
detailed Technical Report (the “Technical Report”) of its updated mineral
resource estimate (“Mineral Resource Estimate”) and mineral reserve
estimate (“Mineral Reserve Estimate”) for its 100% owned Palito Complex,
located in Pará State, Brazil, within the Tapajós region. The Technical
Report is dated September 3, 2025, effective March 31, 2025, and supports the
scientific and technical disclosure in the Mineral Reserve Estimate and
Mineral Resource Estimate (see July 31, 2025, press release).

The Technical Report is titled “Palito Mining Complex, NI 43-101 Technical
Report, Pará State, Brazil” and was prepared by NCL Ingeniería y
Construcción SpA (“NCL”) of Santiago, Chile for the Project and has been
reviewed and approved by the following qualified persons under National
Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101")
in accordance with the rules of the Canadian Institute of Mining, Metallurgy
and Petroleum ("CIM"), which is an internationally recognised standard
pursuant to the AIM Rules.

Qualified Persons
* Mr. Carlos Guzmán, RM CMC, FAusIMM, Principal/Project Director, NCL
* Mr. Gustavo Tapia, RM CMC, Metallurgical and Process Consultant, GT
Metallurgy
* Mr. Nicolás Fuster, RM CMC, MAusIMM, Geologist
The full Technical Report is available under the Corporation's profile on
SEDAR+ (www.sedarplus.ca) and on the Corporation's website
at https://www.serabigold.com/

The information contained within this announcement is deemed by the Company to
constitute inside information as stipulated under the Market Abuse Regulations
(EU) No. 596/2014 as it forms part of UK Domestic Law by virtue of the
European Union (Withdrawal) Act 2018.

The person who arranged for the release of this announcement on behalf of the
Company was Andrew Khov, Vice President, Investor Relations & Business
Development.

About Serabi Gold plc
Serabi Gold plc is a gold exploration, development and production company
focused on the prolific Tapajós region in Para State, northern Brazil. The
Company has consistently produced 30,000 to 40,000 ounces per year with the
Palito Complex and is planning to double production in the coming years with
the construction of the Coringa Gold project. Serabi Gold plc recently made a
copper-gold porphyry discovery on its extensive exploration licence. The
Company is headquartered in the United Kingdom with a secondary office in
Toronto, Ontario, Canada.

Enquiries

SERABI GOLD plc
Michael Hodgson        t +44 (0)20 7246 6830
Chief Executive        m +44 (0)7799 473621

Colm Howlin        
Chief Financial Officer        m +353 89 6078171

Andrew Khov         m +1 647 885 4874
Vice President, Investor Relations & 
Business Development
        e contact@serabigold.com

        www.serabigold.com

BEAUMONT CORNISH Limited
Nominated Adviser & Financial Adviser
Roland Cornish / Michael Cornish        t +44 (0)20 7628 3396

PEEL HUNT LLP
Joint UK Broker
Ross Allister        t +44 (0)20 7418 9000

TAMESIS PARTNERS LLP
Joint UK Broker
Charlie Bendon/ Richard Greenfield        t +44 (0)20 3882 2868

CAMARCO
Financial PR - Europe
Gordon Poole / Emily Hall                t +44 (0)20 3757 4980

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

See www.serabigold.com for more information and follow us on twitter
@Serabi_Gold

Assay Results
Assay results reported within this release include those provided by the
Company's own on-site laboratory facilities at Palito and have not yet been
independently verified. Serabi closely monitors the performance of its own
facility against results from independent laboratory analysis for quality
control purpose. As a matter of normal practice, the Company sends duplicate
samples derived from a variety of the Company's activities to accredited
laboratory facilities for independent verification. Since mid-2019, over
10,000 exploration drill core samples have been assayed at both the Palito
laboratory and certified external laboratory, in most cases the ALS laboratory
in Belo Horizonte, Brazil. When comparing significant assays with grades
exceeding 1 g/t gold, comparison between Palito versus external results record
an average over-estimation by the Palito laboratory of 6.7% over this period.
Based on the results of this work, the Company's management are satisfied that
the Company's own facility shows sufficiently good correlation with
independent laboratory facilities for exploration drill samples. The Company
would expect that in the preparation of any future independent
Reserve/Resource statement undertaken in compliance with a recognized
standard, the independent authors of such a statement would not use Palito
assay results without sufficient duplicates from an appropriately certificated
laboratory.

Forward-looking statements
Certain statements in this announcement are, or may be deemed to be, forward
looking statements. Forward looking statements are identified by their use of
terms and phrases such as ‘‘believe’’, ‘‘could’’, “should”
‘‘envisage’’, ‘‘estimate’’, ‘‘intend’’,
‘‘may’’, ‘‘plan’’, ‘‘will’’ or the negative of those,
variations or comparable expressions, including references to assumptions.
These forward-looking statements are not based on historical facts but rather
on the Directors’ current expectations and assumptions regarding the
Company’s future growth, results of operations, performance, future capital
and other expenditures (including the amount, nature and sources of funding
thereof), competitive advantages, business prospects and opportunities. Such
forward looking statements reflect the Directors’ current beliefs and
assumptions and are based on information currently available to the Directors.
Several factors could cause actual results to differ materially from the
results discussed in the forward-looking statements including risks associated
with vulnerability to general economic and business conditions, competition,
environmental and other regulatory changes, actions by governmental
authorities, the availability of capital markets, reliance on key personnel,
uninsured and underinsured losses and other factors, many of which are beyond
the control of the Company. Although any forward-looking statements contained
in this announcement are based upon what the Directors believe to be
reasonable assumptions, the Company cannot assure investors that actual
results will be consistent with such forward looking statements.

Qualified Persons Statement
The scientific and technical information contained within this announcement
has been reviewed and approved by Michael Hodgson, a Director of the Company.
Mr Hodgson is an Economic Geologist by training with over 30 years' experience
in the mining industry. He holds a BSc (Hons) Geology, University of London, a
MSc Mining Geology, University of Leicester and is a Fellow of the Institute
of Materials, Minerals and Mining and a Chartered Engineer of the Engineering
Council of UK, recognizing him as both a Qualified Person for the purposes of
Canadian National Instrument 43-101 and by the AIM Guidance Note on Mining and
Oil & Gas Companies dated June 2009.

Notice
Beaumont Cornish Limited, which is authorised and regulated in the United
Kingdom by the Financial Conduct Authority, is acting as nominated adviser to
the Company in relation to the matters referred herein. Beaumont Cornish
Limited is acting exclusively for the Company and for no one else in relation
to the matters described in this announcement and is not advising any other
person and accordingly will not be responsible to anyone other than the
Company for providing the protections afforded to clients of Beaumont Cornish
Limited, or for providing advice in relation to the contents of this
announcement or any matter referred to in it.

Neither the Toronto Stock Exchange, nor any other securities regulatory
authority, has approved or disapproved of the contents of this news release