ALTYNGOLD PLC

Earnings Release • Jul 18, 2025

National Storage Mechanism | Additional information

H1 2025 operational update

AltynGold Plc

("AltynGold" or the "Company")

H1 2025 Production and Operational update

Gold production up 44%, as Sekisovskoye processing achieves targeted run rate

London, 18 July 2025 - AltynGold (LSE:ALTN) is pleased to announce its production and operational update for the six months to 30 June 2025 ("H1 2025" or the "Period"). The Period delivered a 44% increase in gold production as it started to gain the full benefit of the processing plant upgrade at its primary Sekisovskoye asset.

Operational highlights

During H1 2025, AltynGold continued to scale production at the Sekisovskoye mine, achieving its targeted monthly mining run rate of 83Kt. Ore mined during the Period increased by 35% YoY to 451Kt, while ore milled rose by 62% to 453Kt. The commissioning of the third processing line and further infrastructure improvements during the second quarter supported this consistent growth in volumes.

Gold poured totalled 28,081oz in H1 2025, a 44% increase from H1 2024 (17,413oz). Gold sold during the period totalled 22,595oz (H1 2024: 17,247oz). The average gold grade processed remained steady at 2.04g/t, with a recovery rate of 84.75%, in line with the first quarter.

A strong production performance contributed to a sharp increase in revenue, which rose to $70m during the Period, up 84% from H1 2024 ($38 million). This was supported by a 39% YoY increase in the average realised gold price, which rose to $3,098/oz.

The Company remains on track to achieve its full-year production target of 50,000oz. With the new processing line fully operational, the targeted mining run rate of 83Kt per month has been reached, and output is increasing in line with expectations. The strong operational performance in the first half provides a strong base for continued delivery in the second half of the year.

Production and operational figures for the period

	UoM	H1 2025	H1 2024	Growth, ± %	Year 31.12.2024
Ore mined	tons	450,578	334 101	+34.9	750 045
Gold grade - mined	g/ton	2.03	2.15	-0.06	2.10
Contained gold	ounces	29,284	23 045	+27.1	50 739
Ore milled	tons	452,593	279 251	+62.1	593 612
Gold grade	g/ton	2.04	2,30	-11.1	2.29
Contained gold	ounces	29,595	20,589	+43.7	43 644
Gold poured	ounces	28,081	17,413	44.0	37 279
Recovery	%	84.75	84,57	+0.02	85.4
Gold sold	ounces	22,595	17,247	+31.0	38 708
Av. realised price	$/ounce	3,098	2,226	+39.0	2 441
Revenues	US$m	70.0	38.0	+84.0	94.5
Safety metrics	Cases	-	-	-	-

Sustainable operations

No lost-time incidents or operational stoppages were reported during this Period. The Company continues to conduct regular safety audits and drills in cooperation with local authorities and emergency services.

As part of its ongoing ESG initiatives, the Company signed a collaborative research agreement in June 2025 with Hokkaido University of Japan under the Next-Generation Smart Mining+ for Sustainable Resources Development programme.

The research will run through to 2030, aiming to improve operational efficiency by introducing real-time data collection and wireless communication systems across the mine. The agreement also includes technical and leadership training for employees, with modules delivered both in Kazakhstan and Japan, in partnership with Nazarbayev University in Astana.

AltynGold CEO Aidar Assaubayev commented:

"We are pleased to report another strong period of growth, with our enhanced processing capacity driving a significant increase in production.

Management and staff remain focused on delivering on our ambitious production targets for the year, while continuing to develop AltynGold into a significant multi-asset mining company for the benefit of all shareholders.”

Further Information:

For further information, please contact:

**AltynGold Plc

**Rajinder Basra

+44 (0) 203 432 3198

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

Information on the Company

AltynGold Plc (LSE:ALTN) is an exploration and development company, which is listed on the Main Market of the London Stock Exchange.

To read more about AltynGold please visit our website www.altyngold.uk and follow on X at @AltynPlc and on LinkedIn at AltynGold Plc.

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AltynGold Plc