Olympic Dam achieved solid underground mine performance in FY2020 with strong development metres, as well as record annual gold production. Underground development into the Southern Mine Area progressed to plan over the year, and provided access to higher copper grade ore. Preparatory work was undertaken in the September 2019 quarter related to the replacement of the refinery crane with the physical replacement and commissioning expected to be completed in the March 2021 quarter.

Preparations are well advanced for the next Smelter Campaign Maintenance to be executed early in FY2022. Olympic Dam has a range of future growth options under consideration as part of its sustained, long-term growth strategy, from incremental debottlenecking through to large scale investments. A third phase of exploration drilling on the Oak Dam project has been completed with additional geotechnical and geo-metallurgical data collected to assist in the understanding of the deposit. Further drilling will be conducted in FY2021, which will inform our next steps with the project.