Thunderbox — gold mine

Thunderbox & Bronzewing Operations sit within the Yandal Production Centre. FY25 milled 6.0 Mt at Thunderbox (FY24: 5.3 Mt) with record quarterly mill throughput in Q4 FY25; FY25 gold sold 232.3 koz (FY24: 217.4 koz) at AISC A$2,629/oz. A maiden Underground Ore Reserve of 128 koz was declared at the Golden Wonder deposit within the Bundarra mining area (26 km south of the Thunderbox processing plant) in FY25, with total Mineral Resource at Golden Wonder growing to 0.5 Moz. FY26 growth capex A$220 M at Thunderbox supports Bannockburn pre-strip and Orelia Stage 2 cutback underpinning a 6 Mtpa mill operation. A multi-year exploration strategy continues across the Yandal greenstone belt around the Bronzewing district.