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Table 1: Longonjo Mineral Resource estimate, Total, at 0.1% NdPr lower grade cut Mineral Resource estimate category Tonnes (million) REO grade (%) NdPr grade (%) Contained REO (Tonnes) Contained NdPr (Tonnes) Measured 25.7 2.58 0.55 664,000 141,000 Indicated 165 1.51 0.33 2,490,000 536,000 Inferred 123 1.08 0.25 1,320,000 313,000 Total: 313 1.43 0.32 4,470,000 990,000 REO includes NdPr. Figures may not sum due to rounding. See Table 7 for average distribution of individual REOs. The revised Mineral Resource estimate incorporates data from the 195 hole, 7,987 metre infill and extension reverse circulation drilling programme completed in 2020. The drilling was in support of Bankable Feasibility Studies with the objective of extending the nine-year mine life of the Preliminary Feasibility Study (ASX 15 November 2019) by converting substantial amounts of Inferred category resource to Indicated and Measured, which may then be included in the mine schedule on completion of the current Bankable Feasibility Study work programmes. Further breakdowns of the Measured, Indicated and Inferred Mineral Resource estimate are reported in Tables 4 to 6 in the Appendix for the Total, Weathered and Fresh Rock mineralisation at a range of NdPr cut-off grades. Data and estimation criteria used in the estimates are detailed in the Material Information Summary and in JORC Code (2012) Sections 1, 2 and 3 in the Appendix.
