| Social performance |
| Safety | | | | | |
| Number of fatalities | 2 | 5 | 1 | 4 | 4 |
| Fatal injury incidence rate (FIIR) | 0.02 | 0.06 | 0.01 | 0.05 | 0.06 |
| Lost time injury incidence rate (LTIIR) | 1.91 | 1.34 | 0.83 | 1.02 | 2.30 |
| Reportable injury incidence rate (RIIR) | 0.88 | 0.74 | 0.52 | 0.63 | 1.01 |
| Health | | | | | |
| New cases of noise induced hearing loss (NIHL) | 44 | 18 | 9 | 8 | 4 |
| New cases of tuberculosis (TB) | 85 | 93 | 127 | 128 | 120 |
| Voluntary counselling and testing (VCT) encounters | 1 659 | 271 | 1 840 | 388 | 698 |
| Employees on anti-retroviral therapy (ART) | 743 | 577 | 434 | 355 | 325 |
| Employment and human rights | | | | | |
| Average number of employees (including contractors) | 9 163 | 8 927 | 8 724 | 8 562 | 8 794 |
| Turnover rate (%) | 7 | 7 | 8 | 11 | 9 |
| HDSAs in management (%) | 35 | 45 | 33 | 34 | 35 |
| Women in mining (%) | 7 | 7 | 7 | 4 | 4 |
| HDSAs at board level (%) | 64 | 62 | 62 | 60 | 38 |
| Community development | | | | | |
| Total CSI and LED expenditure (Rm) | 2.8 | 4.1 | 12.1 | 9.6 | 5.3 |
| Environmental performance |
| Rock mined (000t) | 2 154 | 1 802 | 2 281 | 2 337 | 2 336 |
| Ore milled (000t) | 1 934 | 1 592 | 2 038 | 2 105 | 2 023 |
| Water usage (000m³): | | | | | |
| Potable water from external sources | 2 540 | 2 441 | 2 601 | 2 250 | 2 716 |
| Fissure water used | 1 273 | 2 392 | 1 385 | 1 445 | 2 817 |
| Water recycled in process | 24 390 | 24 308 | 23 439 | 24 292 | 23 303 |
| % water recycled | 91 | 91 | 90 | 92 | 90 |
| Electricity consumption (MWh): | | | | | |
| Energy from electricity purchased by shafts | 467 893 | 461 484 | 483 541 | 473 181 | 473 700 |
| Energy from electricity purchased by plant | 125 548 | 140 406 | 156 199 | 127 831 | 119 900 |
| Total electricity purchased | 593 441 | 601 890 | 639 740 | 601 012 | 593 600 |
| Greenhouse gas emissions (CO2e tonnes): | | | | | |
| Scope 1 (direct) emissions | 15 401 | 14 365 | 16 796 | 14 755 | Not measured |
| Scope 2 (indirect) emissions | 611 244 | 619 947 | 658 932 | 65 718 | Not measured |
| Scope 3 (indirect) emissions | 815 | 1 089 | 1 388 | Not measured | Not measured |
| Total emissions | 627 460 | 635 401 | 677 166 | 756 140 | 671 939 |
| Land use (hectares) | | | | | |
| Land disturbed by mining-related activities | 137 | 137 | 137 | 137 | 137 |
| Land leased for farming purposes | 273 | 273 | 273 | 273 | 273 |
| Land protected for conservation | 800 | 800 | 800 | 800 | 800 |
| Total land under management (freehold) | 4 439 | 4 439 | 4 439 | 4 439 | 4 439 |