There has been no material change to the economic cut-off methodology or process. The application of the updated pricing assumptions has removed lower quality material from the Ore Reserve estimate. There has been no material change to the other reserve modifying factors, including: governmental, tenure, environmental, cultural heritage, social, community or operational. Meanwhile, RTA Pacific Operations Mineral Resources exclusive of Ore Reserves estimates have increased. Mineral Resources exclusive of Ore Reserves has increased by 128 Mt, from 1,949 Mt to 2,077 Mt, the statement to the ASX said. This includes 1,330 Mt of Inferred Resource at North of Weipa, which remains unchanged from 2019. The increase was mainly due to changes in the forecast pricing assumptions used in the reserving process.
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