TABLE 1: Nifty Mineral Resource Estimate March 2024
| Oxide, saprolite, traditional | Mt | Cu % | Cu tonnes |
| Measured | 2.6 | 1.02 | 26,471 |
| Indicated | 17.5 | 0.74 | 130,081 |
| Inferred | 0.8 | 0.70 | 5,902 |
| Total Oxide, saprolite, traditional | 21.0 | 0.78 | 162,000 |
| Sulphide | Mt | Cu % | Cu tonnes |
| Measured | 35.5 | 0.98 | 347,610 |
| Indicated | 63.4 | 0.80 | 505,685 |
| Inferred | 5.2 | 0.43 | 22,479 |
| Total Sulphide | 104.0 | 0.84 | 876,000 |
| Total Resources | 125.0 | 0.83 | 1,038,000 |
Ore tonnes are rounded to the nearest 1,000; total Cu tonnes are rounded to the nearest 1,000; apparent discrepancies are due to rounding errors.
The Nifty Mineral Resource Estimate is reported above a 0.25% Cu cut-off grade.
The Updated Nifty Mineral Resource Estimate was released in an ASX announcement dated 14th March 2024.
The Nifty Mineral Resource Estimate is reported above a 0.25% Cu cut-off grade.
The Updated Nifty Mineral Resource Estimate was released in an ASX announcement dated 14th March 2024.
TABLE 2: Nifty Heap Leach Mineral Resource Estimate August 2024
| Mt | Cu ppm | Cu tonnes | |
| Indicated | 10.6 | 4,100 | 43,580 |
| Inferred | 2.0 | 5,140 | 10,470 |
| Total Resources | 12.7 | 4,260 | 54,050 |
Ore tonnes are rounded to the nearest 50; Cu tonnes are rounded to the nearest 10; apparent discrepancies are due to rounding errors.
The Nifty Heap Leach Mineral Resource Estimate is reported using a zero Cu ppm cut-off grade, with no top cut applied.
The Nifty Heap Leach Mineral Resource Estimate was released in an ASX announcement dated 19th August 2024.
The Nifty Heap Leach Mineral Resource Estimate is reported using a zero Cu ppm cut-off grade, with no top cut applied.
The Nifty Heap Leach Mineral Resource Estimate was released in an ASX announcement dated 19th August 2024.
TABLE 3: Nifty Ore Reserve Estimate November 2024
| Sulphide Stream | Mt | Cu % | Cu tonnes |
| Proved | 22.7 | 1.06 | 239,000 |
| Probable | 60.6 | 0.85 | 514,000 |
| Total Sulphide | 83.3 | 0.90 | 753,000 |
| Oxide Stream (Nifty Heap Leach) | Mt | Cu % | Cu tonnes |
| Probable | 10.6 | 0.41 | 44,000 |
| Total Oxide | 10.6 | 0.41 | 44,000 |
| Total Ore Reserves | 93.9 | 0.85 | 797,000 |
Ore tonnes are rounded to the nearest 100,000; Cu tonnes are rounded to the nearest 1,000; apparent discrepancies are due to rounding errors.
The MEC August 2024 Heap Leach Mineral Resource Estimate is reported above a zero Cu cut-off grade, with no top cut applied.
The Nifty Ore Reserve Estimate was released in an ASX announcement dated 27th November 2024.
The MEC August 2024 Heap Leach Mineral Resource Estimate is reported above a zero Cu cut-off grade, with no top cut applied.
The Nifty Ore Reserve Estimate was released in an ASX announcement dated 27th November 2024.
Maroochydore Mineral Resource Estimate January 2025
TABLE 1: Maroochydore January 2025 Inferred Mineral Resource Estimate, by mineralisation category, ≥0.25% Cu Cutoff
| Mt | Cu % | Cu tonnes | Co ppm | Co tonnes | |
| Oxide | 42.2 | 0.52 | 219,000 | 385 | 16,000 |
| Transitional | 55.5 | 0.51 | 283,000 | 272 | 15,000 |
| Sulphide | 273.2 | 0.39 | 1,065,000 | 193 | 53,000 |
| Total | 370.8 | 0.43 | 1,595,000 | 227 | 84,000 |
0.25% Cu cutoff. Metal grades take into account top and bottom cut. Numbers are rounded to reflect a suitable level of precision and may not sum due to rounding. The reported contained metal is not the same as a “recoverable” or “marketable” amount, as recovery rates and other factors can influence how much metal can be extracted. See accompanying technical report for additional details and important disclosures.
The Maroochydore Mineral Resource estimate was released to the ASX by Cyprium Metals Limited in an announcement dated 5th February 2025.
The Maroochydore Mineral Resource estimate was released to the ASX by Cyprium Metals Limited in an announcement dated 5th February 2025.
TABLE 2: Maroochydore January 2025 higher grade domain by mineralisation category, ≥0.45% Cu Cutoff
| Mt | Cu % | Cu tonnes | Co ppm | Co tonnes | |
| Oxide | 21.5 | 0.69 | 148,000 | 504 | 11,000 |
| Transitional | 26.3 | 0.70 | 184,000 | 305 | 8,000 |
| Sulphide | 58.5 | 0.66 | 386,000 | 238 | 14,000 |
| Total | 106.3 | 0.67 | 712,000 | 308 | 33,000 |
0.45% Cu cutoff. Metal grades take into account top and bottom cut. Numbers are rounded to reflect a suitable level of precision and may not sum due to rounding. The reported contained metal is not the same as a “recoverable” or “marketable” amount, as recovery rates and other factors can influence how much metal can be extracted. See accompanying technical report for additional details and important disclosures.
The Maroochydore Mineral Resource estimate was released to the ASX by Cyprium Metals Limited in an announcement dated 5th February 2025.
The Maroochydore Mineral Resource estimate was released to the ASX by Cyprium Metals Limited in an announcement dated 5th February 2025.
TABLE 3: Maroochydore January 2025 higher grade domain by mineralisation category, ≥0.45% Cu Cutoff
| Resource Category | Material type | Volume | Tonnes | Cu % | Cu Tonnes | Au g/t | Au Ounces | Ag g/t | Ag Ounces |
| Indicated | Oxide | 5,000 | 10,000 | 1.20 | 100 | 0.09 | 0 | 4.16 | 1,300 |
| Transitional | 95,000 | 275,000 | 1.80 | 5,000 | 0.24 | 2,100 | 5.06 | 44,700 | |
| Fresh | 638,000 | 1,894,000 | 2.00 | 37,100 | 0.31 | 18,900 | 6.64 | 404,400 | |
| Total Indicated | 738,000 | 2,179,000 | 2.00 | 42,200 | 0.30 | 21,000 | 6.43 | 450,400 | |
| Inferred | Transitional | 4,000 | 12,000 | 0.40 | 0 | 0.02 | 0 | 0.98 | 400 |
| Fresh | 194,000 | 593,000 | 1.60 | 9,300 | 0.41 | 7,800 | 6.46 | 123,200 | |
| Total Inferred | 198,000 | 605,000 | 1.60 | 9,300 | 0.40 | 7,800 | 6.35 | 123,600 | |
| Total Resources | 936,000 | 2,784,000 | 1.90 | 51,500 | 0.32 | 28,800 | 6.41 | 574,000 |
Ore tonnes are reported as million tonnes (Mt) and rounded to nearest 10,000; Cu tonnes are rounded to nearest 1,000 tonnes; Au ounces are rounded to the nearest 100 ounces; Ag ounces are rounded to the nearest 100 ounces.
Nominal cut-off at 0.3% Cu.
Resource is reported on a 100% basis; Cyprium has an 80% attributable interest in Hollandaire.
Gold mineralisation not associated with the copper resource that is 100% attributable to MGV, has not been modelled or reported in the Hollandaire 2012 JORC Mineral Resource estimate.
The Hollandaire Mineral Resource Estimate was released to the ASX by Cyprium Metals Limited in an announcement dated 29th September 2020.
Nominal cut-off at 0.3% Cu.
Resource is reported on a 100% basis; Cyprium has an 80% attributable interest in Hollandaire.
Gold mineralisation not associated with the copper resource that is 100% attributable to MGV, has not been modelled or reported in the Hollandaire 2012 JORC Mineral Resource estimate.
The Hollandaire Mineral Resource Estimate was released to the ASX by Cyprium Metals Limited in an announcement dated 29th September 2020.
