East Star Resources (LSE:EST) reported progress across its copper and gold projects in Kazakhstan during the first half of 2026, with drilling underway at the Verkhuba copper deposit under its fully funded joint venture with Xinhai.
The exploration and development company also advanced its gold exploration partnership with Endeavour Mining and continued early-stage exploration at the Piket and Snowy licences.
Following the reporting period, Xinhai completed its initial funding obligations, the Verkhuba licence was transferred into the joint venture company, and drilling exceeded 3,400 metres.
East Star also signed a farm-in agreement with Nova covering the Rulikha copper project, establishing an additional partnership intended to advance a copper asset towards production.
Verkhuba Copper Drilling Exceeds 3,400 Metres
East Star progressed its Verkhuba copper project during the first half of 2026 through a joint venture with Xinhai.
Drilling commenced under the fully funded arrangement, marking the start of field execution following the establishment of the partnership.
After 30 June 2026, Xinhai completed its initial funding commitments, and the Verkhuba licence was transferred into the joint venture company.
The partners also completed more than 3,400 metres of drilling following the reporting period.
The programme is intended to support resource conversion and provide technical information for subsequent feasibility studies.
East Star has not disclosed new drilling grades, an updated mineral resource estimate or a timetable for completing feasibility work in the supplied announcement.
Endeavour Mining Partnership Advances Gold Exploration
East Star continued to develop its strategic gold exploration partnership with Endeavour Mining during the first half.
Endeavour has become a significant shareholder in East Star, alongside its involvement in the company’s gold exploration activities in Kazakhstan.
The partnership forms part of East Star’s strategy of advancing exploration projects through agreements with established mining companies.
The company did not provide specific drilling results or new resource estimates from the gold exploration programme in the supplied update.
Further work will focus on progressing exploration activities and identifying potential gold targets within the partnership portfolio.
Piket and Snowy Licences Undergo Early-Stage Exploration
East Star also advanced exploration work at its Piket and Snowy licences during the reporting period.
The licences form part of the company’s portfolio of copper and gold exploration assets in Kazakhstan.
Work at both projects is focused on identifying and assessing prospective targets, including copper porphyry and epithermal gold opportunities.
The company continued to develop its exploration footprint at Piket and Snowy following the period end.
These projects remain at an early exploration stage, with further technical work required to assess their mineral potential.
Rulikha Farm-In Agreement Adds Copper Development Project
Following the first half, East Star signed a farm-in agreement with Nova covering the Rulikha copper project.
The agreement provides an additional route for advancing a copper asset towards potential production through a partnership structure.
East Star’s stated strategy is to progress Verkhuba and Rulikha through joint venture and farm-in arrangements without further funding costs to the company.
The supplied announcement does not specify the detailed commercial terms of the Rulikha agreement, production targets or a development timetable.
The project adds to East Star’s existing copper development activities at Verkhuba.
Partnership Strategy Focuses on Project Development
East Star’s activities during the first half centred on implementing its existing copper and gold partnerships.
At Verkhuba, the Xinhai joint venture moved into drilling, followed by the completion of initial funding obligations and the transfer of the project licence into the joint venture company.
The Endeavour Mining partnership continued to advance gold exploration, while the subsequent Nova agreement expanded East Star’s copper development portfolio.
The company is using these arrangements to progress projects while limiting its direct funding commitments.
Its portfolio also includes earlier-stage copper and gold exploration licences intended to provide additional targets for future programmes.
Outlook
East Star’s immediate priorities include continuing work at Verkhuba following the completion of more than 3,400 metres of drilling and progressing the technical studies required for resource conversion and feasibility assessment.
The company also intends to advance the Rulikha copper project through its farm-in agreement with Nova.
Gold exploration under the Endeavour Mining partnership and early-stage work at Piket and Snowy remain part of its broader development programme.
Further information on mineral resources, project economics and potential production schedules will depend on the results of exploration and subsequent technical studies.
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