Greentech Technology International Limited (00195) provided an update on the Renison Tin Operations’ 2025 Ore Reserve. The operations are 50% owned by the group’s indirect non-wholly owned subsidiary, YT Parksong Australia Holding Pty Limited, through Bluestone Mines Tasmania Joint Venture Pty Ltd, with the remaining 50% interest owned by Metals X Limited.

Renison’s total Proved and Probable Ore Reserve as of 31 March 2025 is 7.505 million tonnes at 1.37% tin, containing 102,720 tonnes of tin. Compared with the previous year, the updated figure reflects an 8.6% decrease in ore tonnes and an 8.5% decrease in contained tin, primarily due to mining depletion, updated tin price assumptions, and a revised cut-off grade.

According to the figures released, the Measured, Indicated, and Inferred Mineral Resource at Renison now totals 20.8 million tonnes at 1.40% tin, equivalent to approximately 292,000 tonnes of contained tin. Recent drilling campaigns have also added material from the Ringrose deposit into the resource estimates, with 888,000 tonnes at 1.33% tin contributing 11,800 tonnes of contained tin. The Reserve mine life is around nine years, while a separate life-of-mine schedule indicates potentially 10.9 years if a portion of inferred material is converted to reserves over time.

The 2025 Ore Reserve update incorporates a tin price assumption of US$28,284 per tonne at an exchange rate of USD/AUD 0.65, equivalent to AUD$43,259 per tonne. Renison applies open stoping mining methods with various fill techniques and has updated dilution and recovery factors following additional drilling and operational data. The operation remains open at depth and along strike, with further drilling planned to continue expanding the resource.

Trading in the company’s shares on the Stock Exchange remains suspended since 2 September 2024 pending the publication of its interim results for the six months ended 30 June 2024 and fulfillment of the relevant resumption guidance requirements.