Attributable output in 2025: 234 tU; Attributable production capacity: 221 tU

Ortalyk is an Invested Mine of CGN Mining in Kazakhstan. It has obtained ISO 14001 environmental management system certification and ISO 50001 energy management system certification. In 2025, Ortalyk replaced purification equipment at its wastewater treatment plant.

Complies with the Ecological Code of the Republic of Kazakhstan and local environmental protection laws. Waste discharge managed under permits issued by The Ministry of Ecology, Geology and Natural Resources of the Republic of Kazakhstan.

All CGN Mining Invested Mines widely adopt in-situ leaching uranium mining technology, continuously increasing investment in technical upgrades and process optimization to improve product quality and environmental performance. Domestic sewage is treated through mechanical filtration, chemical disinfection, and ultraviolet sterilization, then reused for landscaping irrigation and in the leaching process.

In 2025, Ortalyk reported zero environmental accidents, legal violations, or penalties. Replaced purification equipment at its wastewater treatment plant.

Routine radiation monitoring, environmental inspections, and maintenance of wastewater treatment facilities. Conducts at least one emergency drill per year.

Attributable output in 2025: 185 tU; Attributable production capacity: 196 tU. Semizbay-U is an Invested Mine of CGN Mining in Kazakhstan. It has obtained ISO 14001 environmental management system certification and ISO 50001 energy management system certification. In 2025, Semizbay-U conducted radioactive dose monitoring of drinking water sources in nearby settlements and research on mitigating bird collisions with power lines in mining areas.

Complies with the Ecological Code of the Republic of Kazakhstan and local environmental protection laws. Waste discharge managed under permits issued by The Ministry of Ecology, Geology and Natural Resources of the Republic of Kazakhstan.

All CGN Mining Invested Mines widely adopt in-situ leaching uranium mining technology, continuously increasing investment in technical upgrades and process optimization to improve product quality and environmental performance. 100% of wastewater from vehicle disinfection stations, hydrometallurgical plants, and laundry facilities is collected and redirected into the leaching solution process.

In 2025, Semizbay-U reported zero environmental accidents, legal violations, or penalties. Conducted research on bird collision mitigation and installed six types of poultry protection devices along power transmission routes.

Routine radiation monitoring, environmental inspections, and maintenance of wastewater treatment facilities. Conducts at least one emergency drill per year.

Attributable output in 2025: 99 tU; Attributable production capacity: 245 tU (Phase I full production capacity)