Snowy IP Survey Results

East Star Resources PLC

03 September 2026

 

3 September 2026

East Star Resources Plc

("East Star" or the "Company")

Snowy IP Survey Results

New geophysical anomaly over epithermal gold target

East Star Resources Plc (LSE:EST), the Kazakhstan-focused gold and copper exploration and development company, is pleased to announce the results of the induced polarisation ("IP") survey from the Snowy Epithermal Target in Central Kazakhstan. These lines are approximately 1km east of the IP lines completed in 2025. The 2026 IP lines were completed over an intensely altered tuff unit with numerous quartz veinlets noted.

This area shows a distinct east-west striking chargeability trend associated with a volcanic unit being targeted for an epithermal deposit. The anomaly is discrete, spanning approximately 1,700 m west to east starting from 100 m depth. The anomaly is open to the west and east. The anomaly has amplitudes ranging from 7 - 9 m V/V. The amplitude is plausible for low sulphidation epithermal targets and requires further exploration to determine the source of the chargeability anomaly and test the quartz veining at depth.

 

Figure 1 The location of the new IP lines in green, with highlighted gold samples

Figure 2 Snowy IP Anomaly. Top: map showing IP lines and sample points. Bottom: 3D view of gold-bearing samples and IP sections superimposed on satellite imagery.

Alex Walker, East Star CEO, commented:

"Based on these results, we look forward to continuing to progress the Snowy Target for a potential low sulphidation epithermal deposit. The target sits between two known gold deposits of similar mineralisation and with gold samples at surface it remains a compelling target. The Company will determine the best path and timing to move to the next phase of exploration taking into account all of our other work plans, in particular the Endeavour joint venture field work."

Survey Details

The Snowy IP Survey was conducted as a pole-dipole survey comprising four north-south lines, each approximately 1,100 m in length, at a frequency of 0.125 Hz. Initial lines employed an attempted mixed 50 m / 100 m dipole configuration that was subsequently corrected by infill acquisition using 50 m dipole spacing with 50 m transmitter moves. Measurements were recorded simultaneously on a 32-channel receiver.

Smart Geophysics from Kazakhstan conducted the survey using a GDD Tx4 transmitter and GDD Rx-32 receiver. Quality control and interpretation was conducted by Mitre Geophysics Pty Ltd out of Australia. Mitre noted that the survey did not achieve the designed charge input and therefore the results may return lower than expected chargeability anomalies.

East Star Resources Plc

Alex Walker, Chief Executive Officer

Tel: [phone] (via Vigo Consulting)

SI Capital (Corporate Broker)

Nick Emerson

Tel: [phone]

Vigo Consulting (Investor Relations)

Ben Simons / George Pope

Tel: [phone]

About East Star Resources Plc

East Star Resources is focused on the discovery and development of copper and gold in Kazakhstan. The Company is pursuing multiple exploration strategies including:

·    A joint venture with Hong Kong Xinhai Mining Services Limited to take the Verkhuba Deposit (20.3Mt @ 1.16% copper, 1.54% zinc and 0.27% lead) into production (at no further cost to East Star) with East Star retaining 30% ownership in production

·    A second VMS Exploration Target at the Rulikha Deposit with up to 23Mt @ 2.4% copper equivalent in the same region, with numerous other targets being advanced to drill-ready status

·    A $25 million+ strategic gold exploration joint venture with Endeavour Mining

·    Tier 1 potential copper porphyry targets and epithermal gold targets in a proven copper porphyry and epithermal belt

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The person who arranged for the release of this announcement was Alex Walker, CEO of the Company.

This announcement contains inside information for the purposes of Article 7 of Regulation 2014/596/EU which is part of domestic UK law pursuant to the Market Abuse (Amendment) (EU Exit) Regulations (SI 2019/310) ("UK MAR"). Upon the publication of this announcement, this inside information (as defined in UK MAR) is now considered to be in the public domain.

Competent Person Statement

Scientific or technical information in this disclosure related to exploration was reviewed by Dr Tremain Woods, a full-time employee of Copperland Ltd, a 100% owned subsidiary of East Star Resources PLC. Dr Woods is a member in good standing with the Geological Society of South Africa. He has sufficient experience that is relevant to the commodity, style of mineralisation or type of deposit under consideration and activity which he is undertaking to qualify as a Competent Person under the JORC code (2012 Edition).

 

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