Energy Resources of Australia Ltd. (ERA) has completed its annual assessment and reconciliation of Ore Reserves and Mineral Resources for both Ranger and Jabiluka. The Ranger Ore Reserves and Mineral Resources are reported under the 2012 edition of the "Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves" (JORC 2012 code). During 2019, the Proved and Probable Ore Reserves for Ranger decreased from 3,735 tonnes of uranium oxide to 1,711 tonnes of uranium oxide. This is wholly due to ore depletion by the processing of 2,024 tonnes of uranium oxide. During the reporting period, all processed ore was sourced from either run of mine stocks or low grade stockpiles. During the 2019 ore mining and Pit 1 backfill activities, all material discriminated as low grade mineral resource (> 0.02% < 0.06% U3O8) was re-stockpiled for potential backfilling into Pit 3 in 2022. Accordingly, there has been no overall change in Ranger 3 mineral resources during the reporting period, which remain at 54,701 tonnes of uranium oxide. The estimation of mineral resources may be impacted in future years given the requirement under the Ranger Authority to cease mining and processing operations by 8 January 2021.