Resources and Reserves

Mineral Resources and Mineral Reserves

Mineral Resources consist of sand dumps, slimes dams and silted ‘vlei’ areas and dams. Before dumps are included as Mineral Resources, they are evaluated by drilling and an engineering study is undertaken to determine infrastructure needs.

Competent persons

Competent PersonsTitleAddressQualificationsYears
Mpfariseni Mudau
Pr.Sci.Nat. 400305/12		 Director of The RVN
Group Proprietary Limited		 Willowbrook Villas 21,
Van Hoof St,
Roodepoort, 1724		 BSc (Hons) – Geology,
MSc (Mining Engineering)		 17
Professor Steven Rupprecht
FSAIMM 701013		 Associate Principal Mining Engineer of the RVN Group Willowbrook Villas 21,
Van Hoof St,
Roodepoort, 1724		 BSc. Mining Engineering
PhD. Mechanical
Engineering		 36
Diana van Buren
Pr.Sci.Nat. 400107/14		 Partner of Sound Mining Solution Proprietary Limited Sound Mining House,
2A Fifth Avenue,
Rivonia, 2128		 BSc (Hons) – Geology 17
Vaughn Duke
Pr. Eng 940314
FSAIMM 37179		 Partner of Sound Mining Solution Proprietary Limited Sound Mining House,
2A Fifth Avenue,
Rivonia, 2128		 BSc Mining Engineering
(Hons), MBA		 38

Mineral Resources as at 30 June 2023

 MEASUREDINDICATED
 Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz		Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz
Ergo  251.75 0.300 75.53 2.41 571.47 0.250 142.87 4.65
FWGR 221.86 0.328 72.83 2.34 – – – –
Total Mineral Resources
as at 30 June 2023		 473.61 0.313 148.36 4.75 571.47 0.250 142.87 4.65
Total Mineral Resources
as at 30 June 2022		 595.62 0.320 158.63 5.10 568.21 0.250 141.40 4.55
 INFERREDTOTAL
 Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz		Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz
Ergo  21.32 0.240 5.12 0.16 844.54 0.265 223.52 7.23
FWGR – – – – 221.86 0.328 72.83 2.34
Total Mineral Resources
as at 30 June 2023		 21.32 0.240 5.12 0.16 1 066.40 0.278 296.35 9.56
Total Mineral Resources
as at 30 June 2022		 21.32 0.240 5.12 0.16 1 085.15 0.281 305.15 9.81

Mineral Resources reported include Mineral Reserves
The figures contained in the tables are rounded, which may result in minor computational discrepancies which are not deemed to be significant


Mineral Resources as at 30 June 2022

 MEASUREDINDICATED
 Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz		Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz
Ergo  266.25 0.309 82.24 2.64 568.21 0.250 141.40 4.55
FWGR 229.37 0.333 76.39 2.46 – – – –
Total Mineral Resources
as at 30 June 2022		 495.62 0.320 158.63 5.10 568.21 0.250 141.40 4.55
Total Mineral Resources
as at 30 June 2021		 518.09 0.321 166.46 5.35 574.95 0.250 143.70 4.61
 INFERREDTOTAL
 Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz		Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz
Ergo  21.32 0.240 5.12 0.16 855.78 0.267 228.76 7.35
FWGR – – – – 229.37 0.333 76.39 2.46
Total Mineral Resources
as at 30 June 2022		 21.32 0.240 5.12 0.16 1 085.15 0.281 305.15 9.81
Total Mineral Resources
as at 30 June 2021		 21.32              

Mineral Resources reported include Mineral Reserves
The figures contained in the tables are rounded, which may result in minor computational discrepancies which are not deemed to be significant


Mineral Reserves as at 30 June 2023

 PROVED
Delivered to plant
 Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz		 
Ergo 185.29 0.310 57.44 1.85  
FWGR 208.99 0.328 68.58 2.20  
Total Mineral Resources
as at 30 June 2023		 394.28 0.320 126.02 4.05  
Total Mineral Resources
as at 30 June 2022		 416.70 0.341 137.17 4.41  
 PROBABLE
Delivered to plant
 Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz		 
Ergo 196.17 0.250 49.043 1.60  
FWGR 12.88 0.330 4.24 0.14  
Total Mineral Resources
as at 30 June 2023		 209.05 0.255 53.28 1.74  
Total Mineral Resources
as at 30 June 2022		 205.67 0.250 50.51 2.63  
 TOTAL MINERAL RESERVES
Delivered to plant
 Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz
Ergo 381.46 0.279 106.48 3.45
FWGR 221.87 0.328 72.83 2.34
Total Mineral Resources
as at 30 June 2023		 603.33 0.297 179.3 5.79
Total Mineral Resources
as at 30 June 2022		 622.37 0.302 187.68 6.04

The figures contained in the tables are rounded, which may result in minor computational discrepancies which are not deemed to be significant


Mineral Reserves as at 30 June 2022

 PROVED
Delivered to plant
 Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz		 
Ergo 200.21 0.325 65.02 2.09  
FWGR 216.49 0.334 72.15 2.32  
Total Mineral Resources
as at 30 June 2022		 416.70 0.341 137.17 4.41  
Total Mineral Resources
as at 30 June 2021		 251.63 0.333 83.60 2.68  
 PROBABLE
Delivered to plant
 Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz		 
Ergo 192.79 0.240 46.27 1.49  
FWGR 12.88 0.330 4.24 0.14  
Total Mineral Resources
as at 30 June 2022		 205.67 0.250 50.51 1.63  
Total Mineral Resources
as at 30 June 2021		 266.47 0.311 82.85 2.67  
 TOTAL MINERAL RESERVES
Delivered to plant
 Tonnes
Mt		Grade
g/t		Contents
Au tonnes		Contents
Moz
Ergo 393.00 0.283 111.29 3.58
FWGR 229.37 0.333 76.39 2.46
Total Mineral Resources
as at 30 June 2022		 622.37 0.302 187.68 6.04
Total Mineral Resources
as at 30 June 2021		 518.10 0.321 166.45 5.35

The figures contained in the tables are rounded, which may result in minor computational discrepancies which are not deemed to be significant

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