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The Long Barn, Cobham Park Road, Downside, Surrey KT11 3NE This document is not intended to and does

Corporate Updates

PRESS RELEASE 28 NOVEMBER 2025

SERABI GOLD plc (“Serabi” or “the Company”)

SERABI GOLD PLC

The Long Barn, Cobham Park Road, Downside, Surrey KT11 3NE This document is not intended to and does

t +44 (0)20 7246 6830 f +44 (0)20 7246 6831 e [email protected] www.serabigold.com not amount to an invitation or inducement to

Registered Office 66 Lincoln’s Inn Fields, London, WC2A 3LH Company Number 5131528 subscribe for shares in Serabi Gold plc

Unaudited interim results for the three and nine-month periods ended 30 September 2025

Serabi (AIM:SRB, TSX:SBI, OTCQX:SRBIF), the Brazilian focused gold mining and development company, is

pleased to release its unaudited interim results for the three and nine-month periods ended 30 September

2025 (all currency amounts are expressed in US Dollars unless otherwise stated).

HIGHLIGHTS

• Gold production for the first nine months of 2025 of 32,634 ounces (corresponding nine-month period of 2024: 27,499

ounces), positioning the Company on track for full year guidance, with record Q3 production of 12,090 ounces.

• Cash held at 30 September 2025 of $38.8 million (31 December 2024: $22.2 million).

• Net cash at quarter-end (after interest bearing loans and lease liabilities) of $33.0 million (Q2-2025: $24.6 million).

• EBITDA for the nine-month period of $48.2 million (corresponding nine-month period of 2024: $24.7 million).

• Post-tax profit for the nine-month period of $34.9 million (corresponding nine-month period of 2024: $17.8 million).

• Profit per share of 46.10 cents (corresponding nine-month period of 2024: 23.55 cents).

• Net cash inflow from operations for the nine-month period (after mine development expenditure of $4.1 million) of

$34.3 million (corresponding nine-month period of 2024: $18.2 million inflow, after mine development expenditure of

$4.9 million).

• Average gold price of $3,244 per ounce received on gold sales during the nine-month period (corresponding nine-

month period of 2024: $2,338).

• Cash Cost for the nine-month period to 30 September 2025 of $1,429 per ounce (corresponding nine-month period of

2024: $1,405 per ounce).

• All-In Sustaining Cost for the nine-month period to 30 September 2025 of $1,816 per ounce (corresponding nine-month

period of 2024: $1,790 per ounce).

The full interim statements together with commentary can be accessed on the Company’s website using the following LINK.

YTD Q3-2025 YTD Q3-2024 Change %

Gold production (oz) 32,634 27,499 +19%

EBITDA ($m) $48.2 $24.7 +95%

Cash in flow ($m) $34.3 $18.2 +88%

EPS ($c) 46.10 23.55 +96%

AISC ($/oz) $1,816 $1,790 +1%

Colm Howlin, CFO, Commented

“The nine months to 30 September 2025 have delivered strong financial and operational performance for the Company placing

us firmly on track to meet full -year guidance . Gold production for the year to date totalled 32,634 ounces, a 19% increase

compared with the same period of 2024.

The continued strong operational performance combined with higher average gold prices has driven a 95% year-on-year increase

in EBITDA to $48.2 million and the Company closed the quarter with a cash balance of $38.8 million, up from $22.2 million at 31

December 2024. Net cash inflow from operations for the nine -month period, after mine development expenditure of $4.1 million,

was $34.3 million, highlighting the strong cash-generating capacity of the business.

All-In Sustaining Cost (AISC) averaged $1,816 per ounce for the period, reflecting the impact of ongoing development investment

and inflationary cost pressures. We continue to strengthen our balance sheet with margins remaining robust, supported by firm

gold prices, higher production volumes, and disciplined cost control.

PRESS RELEASE 28 NOVEMBER 2025

SERABI GOLD plc (“Serabi” or “the Company”)

SERABI GOLD PLC

The Long Barn, Cobham Park Road, Downside, Surrey KT11 3NE This document is not intended to and does

t +44 (0)20 7246 6830 f +44 (0)20 7246 6831 e [email protected] www.serabigold.com not amount to an invitation or inducement to

Registered Office 66 Lincoln’s Inn Fields, London, WC2A 3LH Company Number 5131528 subscribe for shares in Serabi Gold plc

Post-tax profit for the nine months was $34.9 million, equating to earnings of 46.10 cents per share, compared with $17.8 million

and 23.55 cents per share in 2024.

In parallel, exploration and resource development drilling continued across both the Palito Complex and Coringa, with

approximately 27,937 metres completed year to date. Early results are encouraging, supporting the Company’s objective of

increasing resources to the 1.5-2.0Moz range in the oncoming years as part of Phase 2 of our growth strategy.

With strong cash generation, a solid balance sheet, and a clear focus on operational excellence, the Company remains well

positioned to close 2025 with continued momentum and to deliver further growth into 2026.”

Overview of the financial results

In the first nine months of 2025, the Group has reported revenue and operating costs related to the sale of 32,106 ounces (32,634

ounces produced). This compares to sales reported of 28,912 ounces in the first nine months of 2024. Reported revenues and

costs reflect the ounces sold in each period and as a result total costs for the nine-month period are higher than for the

corresponding period of 2024.

On 7 January 2024, the Group completed a $5.0 million unsecured loan arrangement with Brazilian bank Itau which carried a

fixed interest coupon of 8.47 per cent. The loan was repaid as a bullet payment on 6 January 2025. On 22 January 2025, the

Group completed a further $5.0 million unsecured loan arrangement with a different Brazilian bank (Santander) which carries a

fixed interest coupon of 6.16 per cent. This loan is repayable on 16 January 2026. The Company had a net cash balance at the

end of Q3-2025 (after interest bearing loans and lease liabilities) of $33.0 million (31 December 2024: net cash $16.2 million).

The ore sorter at Coringa has now been operational for nine months and has performed exceptionally during this period. Benefiting

from favourable economics, the ore sorter has been utilised to process low -grade ore that had been stockpiled since the

commencement of operations at the mine, while higher-grade ROM has continued to be transported directly to the Palito Complex

plant. As a result of this approach, gold production from Coringa is expected to exceed the original plan for the year.

Key Financial Information

SUMMARY FINANCIAL STATISTICS FOR THE THREE AND NINE-MONTHS ENDING 30 SEPTEMBER 2025

9 months to

30 September

2025

US$

(unaudited)

9 months to

30 September

2024

US$

(unaudited)

3 months to

30 September

2025

US$

(unaudited)

3 months to

30 September

2024

US$

(unaudited)

Revenue 104,524,009 70,290,641 41,996,366 27,626,034

Cost of sales (48,152,798) (39,840,803) (17,620,959) (14,160,734)

Gross operating profit 56,371,211 30,449,838 24,375,407 13,465,300

Administration and share based payments (8,178,467) (5,728,359) (2,517,931) (1,719,359)

EBITDA 48,192,744 24,721,479 21,857,476 11,745,941

Depreciation and amortisation charges (6,475,006) (3,297,323) (2,795,451) (1,056,517)

Operating profit before finance and tax 41,717,738 21,424,156 19,062,025 10,689,424

Profit after tax 34,914,606 17,837,221 15,985,655 8,615,387

Earnings per ordinary share (basic) 46.10c 23.55c 21.11c 11.38c

Average gold price received (US$/oz) US$3,244 US$2,338 US$3,501 US$2,478

PRESS RELEASE 28 NOVEMBER 2025

SERABI GOLD plc (“Serabi” or “the Company”)

SERABI GOLD PLC

The Long Barn, Cobham Park Road, Downside, Surrey KT11 3NE This document is not intended to and does

t +44 (0)20 7246 6830 f +44 (0)20 7246 6831 e [email protected] www.serabigold.com not amount to an invitation or inducement to

Registered Office 66 Lincoln’s Inn Fields, London, WC2A 3LH Company Number 5131528 subscribe for shares in Serabi Gold plc

As at

30 September

2025

US$

(unaudited)

As at

31 December

2024

US$

(audited)

Cash and cash equivalents 38,772,337 22,183,049

Net funds (after finance debt obligations) 33,070,053 16,341,245

Net assets 154,314,145 104,181,654

Cash Cost and All-In Sustaining Cost (“AISC”)

9 months to

30 September

2025

9 months to

30 September

2024

12 months to

31 December

2024

Gold production for cash cost and AISC

purposes 32,634 ozs 27,499 ozs 37,520 ozs

Total Cash Cost of production (per ounce) US$1,429 US$1,405 US$1,326

Total AISC of production (per ounce) US$1,816 US$1,790 US$1,700

About Serabi Gold plc

Serabi Gold plc is a gold exploration, development and production company focused on the prolific Tapaj ós 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.

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.

PRESS RELEASE 28 NOVEMBER 2025

SERABI GOLD plc (“Serabi” or “the Company”)

SERABI GOLD PLC

The Long Barn, Cobham Park Road, Downside, Surrey KT11 3NE This document is not intended to and does

t +44 (0)20 7246 6830 f +44 (0)20 7246 6831 e [email protected] www.serabigold.com not amount to an invitation or inducement to

Registered Office 66 Lincoln’s Inn Fields, London, WC2A 3LH Company Number 5131528 subscribe for shares in Serabi Gold plc

Enquiries

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 [email protected]

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 / Georgia Langoulant 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 / Fergus Young t +44 (0)20 3757 4980

Copies of this announcement are available from the

Company's website at www.serabigold.com.

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. A number of 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 35 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.

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

PRESS RELEASE 28 NOVEMBER 2025

SERABI GOLD plc (“Serabi” or “the Company”)

SERABI GOLD PLC

The Long Barn, Cobham Park Road, Downside, Surrey KT11 3NE This document is not intended to and does

t +44 (0)20 7246 6830 f +44 (0)20 7246 6831 e [email protected] www.serabigold.com not amount to an invitation or inducement to

Registered Office 66 Lincoln’s Inn Fields, London, WC2A 3LH Company Number 5131528 subscribe for shares in Serabi Gold plc

The following information, comprising, the Income Statement, the Group Balance Sheet, Group Statement of Changes in

Shareholders’ Equity, and Group Cash Flow, is extracted from the unaudited interim financial statements for the three and nine

months to 30 September 2025.

Statement of Comprehensive Income

For the three and nine-month periods ended 30 September 2025.

For the three months ended For the nine months ended

30 September

2025

30 September

2024

30 September

2025

30 September

2024

(expressed in US$) Notes (unaudited) (unaudited) (unaudited) (unaudited)

CONTINUING OPERATIONS

Revenue 41,996,366 27,626,034 104,524,009 70,290,641

Cost of sales (17,620,959) (14,160,734) (48,152,798) (39,840,803)

Depreciation and amortisation charges (2,795,451) (1,056,517) (6,475,006) (3,297,323)

Total cost of sales (20,416,410) (15,217,251) (54,627,804) (43,138,126)

Gross profit 21,579,956 12,408,783 49,896,205 27,152,515

Administration expenses (2,695,260) (1,679,357) (8,239,877) (5,484,788)

Share-based payments (89,232) (65,010) (293,260) (183,902)

Gain on asset disposals 266,561 25,008 354,670 (59,669)

Operating profit 19,062,025 10,689,424 41,717,738 21,424,156

Other income – exploration receipts 2 — — — 351,186

Other expenses – exploration expenses 2 — — — (317,746)

Foreign exchange (loss)/gain (21,403) 129,429 86,602 (690,927)

Finance expense 3 (125,596) (127,729) (354,065) (438,032)

Finance income 3 268,694 109,262 677,996 345,727

Profit before taxation 19,183,720 10,800,386 42,128,271 20,674,364

Income tax expense 4 (3,198,065) (2,184,999) (7,213,665) (2,837,143)

Profit after taxation 15,985,655 8,615,387 34,914,606 17,837,221

Other comprehensive income (net of tax)

Exchange differences on translating foreign

operations 3,128,112 808,689 15,009,804 (7,374,025)

Total comprehensive profit / (loss) for the

period(1) 19,113,767 9,424,076 49,924,410 10,463,196

Profit per ordinary share (basic) 5 21.11c 11.38c 46.10c 23.55c

Profit per ordinary share (diluted) 5 21.11c 11.38c 46.10c 23.55c

(1) The Group has no non-controlling interests and all profits are attributable to the equity holders of the Parent Company

PRESS RELEASE 28 NOVEMBER 2025

SERABI GOLD plc (“Serabi” or “the Company”)

SERABI GOLD PLC

The Long Barn, Cobham Park Road, Downside, Surrey KT11 3NE This document is not intended to and does

t +44 (0)20 7246 6830 f +44 (0)20 7246 6831 e [email protected] www.serabigold.com not amount to an invitation or inducement to

Registered Office 66 Lincoln’s Inn Fields, London, WC2A 3LH Company Number 5131528 subscribe for shares in Serabi Gold plc

Balance Sheet as at 30 September 2025

(expressed in US$)

As at

30 September

2025

(unaudited)

As at

30 September

2024

(unaudited)

As at

31 December

2024

(audited)

Non-current assets

Deferred exploration costs 27,985,884 20,211,858 18,839,836

Property, plant and equipment 72,750,486 56,310,566 53,593,723

Right of use assets 5,680,426 4,928,263 4,287,020

Taxes receivable 8,106,612 7,110,445 6,246,352

Deferred taxation 3,670,994 1,903,307 1,878,081

Total non-current assets 118,194,402 90,464,439 84,845,012

Current assets

Inventories 16,739,178 12,338,958 13,115,648

Trade and other receivables 4,831,280 2,100,956 2,533,450

Prepayments and accrued income 4,106,439 1,633,602 2,220,463

Cash and cash equivalents 38,772,337 20,029,407 22,183,049

Total current assets 64,449,234 36,102,923 40,052,610

Current liabilities

Trade and other payables 15,903,235 10,672,705 9,695,560

Interest bearing liabilities 5,702,284 5,886,714 5,841,804

Accruals 901,515 431,716 419,493

Total current liabilities 22,507,034 16,991,135 15,956,857

Net current assets 41,942,200 19,111,788 24,095,753

Total assets less current liabilities 160,136,602 100,131,973 109,576,227

Non-current liabilities

Trade and other payables 1,857,937 3,676,181 2,809,243

Provisions 3,222,732 2,325,573 1,839,916

Interest bearing liabilities 741,788 135,326 109,952

Total non-current liabilities 5,822,457 6,137,080 4,759,111

Net assets 154,314,145 103,439,147 104,181,654

Equity

Share capital 11,213,618 11,213,618 11,213,618

Share premium reserve 36,158,068 36,158,068 36,158,068

Option reserve 447,460 359,475 221,613

Other reserves 22,839,025 17,609,380 19,486,684

Translation reserve (63,483,475) (69,154,766) (78,459,765)

Retained surplus 147,139,449 107,253,372 115,561,436

Equity shareholders’ funds 154,314,145 103,439,147 104,181,654

PRESS RELEASE 28 NOVEMBER 2025

SERABI GOLD plc (“Serabi” or “the Company”)

SERABI GOLD PLC

The Long Barn, Cobham Park Road, Downside, Surrey KT11 3NE This document is not intended to and does

t +44 (0)20 7246 6830 f +44 (0)20 7246 6831 e [email protected] www.serabigold.com not amount to an invitation or inducement to

Registered Office 66 Lincoln’s Inn Fields, London, WC2A 3LH Company Number 5131528 subscribe for shares in Serabi Gold plc

Statements of Changes in Shareholders’ Equity

For the nine-month period ended 30 September 2025

(expressed in US$)

(unaudited)

Share

capital

Share

premium

Share option

reserve

Other

reserves (1)

Translation

reserve

Retained

Earnings Total equity

Equity shareholders’ funds at

31 December 2023 11,213,618 36,158,068 175,573 15,960,006 (61,780,741) 91,065,525 92,792,049

Foreign currency adjustments — — — — (7,374,025) — (7,374,025)

Profit for the period — — — — — 17,837,221 17,837,221

Total comprehensive income for

the period — — — — (7,374,025) 17,837,221 10,463,196

Transfer to taxation reserve — — — 1,649,374 — (1,649,374) —

Share incentives expense — — 183,902 — — — 183,902

Equity shareholders’ funds at

30 September

2024

11,213,618 36,158,068 359,475 17,609,380 (69,154,766) 107,253,372 103,439,147

Foreign currency adjustments — — — — (9,304,999) — (9,304,999)

Profit for the period — — — — — 9,982,497 9,982,497

Total comprehensive income for

the period — — — — (9,304,999) 9,982,497 677,498

Transfer to taxation reserve — — — 1,877,304 — (1,877,304) —

Share based incentives lapsed in

period — — (202,871) — — 202,871 —

Share option expense — — 65,009 — — — 65,009

Equity shareholders’ funds at

31 December

2024

11,213,618 36,158,068 221,613 19,486,684 (78,459,765) 115,561,436 104,181,654

Foreign currency adjustments — — — — 14,976,290 — 14,976,290

Profit for the period — — — — — 34,914,606 34,914,606

Total comprehensive income for

the period — — — — 14,976,290 34,914,606 49,890,896

Transfer to taxation reserve — — — 3,352,341 — (3,352,341) —

Share option expense — — 293,260 — — — 293,260

Share options settled in period — — (51,665) — — — (51,665)

Share based incentives lapsed in

period — — (15,748) — — 15,748 —

Equity shareholders’ funds at

30 September

2025

11,213,618 36,158,068 447,460 22,839,025 (63,483,475) 147,139,449 154,314,145

(1) Other reserves comprise a merger reserve of US$361,461 and a taxation reserve of US$22,477,564 (31 December 2024: merger reserve of

US$361,461 and a taxation reserve of US$19,125,223).

PRESS RELEASE 28 NOVEMBER 2025

SERABI GOLD plc (“Serabi” or “the Company”)

SERABI GOLD PLC

The Long Barn, Cobham Park Road, Downside, Surrey KT11 3NE This document is not intended to and does

t +44 (0)20 7246 6830 f +44 (0)20 7246 6831 e [email protected] www.serabigold.com not amount to an invitation or inducement to

Registered Office 66 Lincoln’s Inn Fields, London, WC2A 3LH Company Number 5131528 subscribe for shares in Serabi Gold plc

Condensed Consolidated Cash Flow Statement

For the three and nine-month periods ended 30 September 2025

For the three months

ended

30 September

For the nine months

ended

30 September

2025 2024 2025 2024

(expressed in US$) (unaudited) (unaudited) (unaudited) (unaudited)

Operating activities

Post tax profit for period 15,985,655 8,615,387 35,451,763 17,837,221

Depreciation – plant, equipment and mining properties 2,795,451 1,056,517 6,475,006 3,297,323

Net financial expense/(income) (121,695) (110,962) (410,533) 749,792

Provision for taxation 3,198,065 2,184,999 7,213,665 2,837,143

Gain / (loss) on disposals (266,561) (25,008) (354,670) 59,669

Share-based payments 89,232 65,010 293,260 183,902

Taxation paid (2,057,272) (347,589) (7,526,271) (789,287)

Interest paid (33,789) (10,091) (447,174) (39,599)

Foreign exchange (loss) / gain 18,255 (291,702) 369,194 (343,986)

Changes in working capital

(Increase)/decrease in inventories (657,797) 217,474 (2,342,867) (1,049,888)

(Increase)decrease in receivables, prepayments and

accrued income (4,030,722) 1,238,492 (5,320,287) (1,002,244)

Increase in payables, accruals and provisions 1,027,939 979,209 4,937,192 1,384,012

Net cash inflow from operations 16,476,761 13,571,736 38,338,278 23,124,058

Investing activities

Purchase of property, plant and equipment and assets in

construction (2,275,094) (2,219,242) (5,996,314) (6,231,132)

Mine development expenditure (1,347,803) (1,977,182) (4,077,333) (4,913,351)

Geological exploration expenditure (2,219,836) (922,400) (6,012,583) (1,835,856)

Pre-operational project costs (2,895,281) (393,044) (7,057,868) (865,728)

Proceeds from sale of assets 267,014 21,474 363,774 73,955

Interest Received 268,694 109,262 677,996 338,895

Net cash outflow on investing activities (8,202,306) (5,381,132) (22,102,328) (13,433,217)

Financing activities

Receipt of short-term loan — — 5,000,000 5,000,000

Repayment of short-term loan — — (5,153,577) (5,000,000)

Payment of finance lease liabilities (54,387) (210,366) (294,854) (708,816)

Net cash (outflow)/inflow from financing activities (54,387) (210,366) (448,431) (708,816)

Net increase/(decrease) in cash and cash equivalents 8,220,068 7,980,238 15,787,519 8,982,025

Cash and cash equivalents at beginning of period 30,432,470 12,041,017 22,183,049 11,552,031

Exchange difference on cash 119,799 8,152 801,769 (504,649)

Cash and cash equivalents at end of period 38,772,337 20,029,407 38,772,337 20,029,407