1. Impacted Mine Water Initiatives Jacques Cilliers Watercare Mining
On behalves of
Melanie Vermaak

2. Strategic View On Water
Ability to Mine is Linked to Stewardship Credentials
Water Stewardship is Key Credential
Water is Strategic to Sustainable Business
Business Continuity
Business Sustainability
Business Growth
Water is an Asset and not a Liability
Water is a Resource to be Actively Managed and Conserved
Innovate For Sustainability and Success
Harmony and Watercare Mining Formed Technical Partnership in 2015

3. Risks And Concerns Security of Sustainable Supply
Drought is Highlighting Business Risk
Possible Reduction or Loss of Production
Harmony Don’t Generate AMD, Do Impact on Water Quality
Harmony Generate Excess Mine Impacted Water by Virtue of Mining Activities
Mine Water Management is an ACTIVE Process

4. Initiatives Aggressively Reduce Consumption Footprint
Optimize Recycling Efforts
Independence from 3rd party Service Providers
Benefit Host Communities
Benefit Nasional Reserve
Current Projects
100% Reduction of Fresh / Potable Water at Doornkop
30% Reduction of Fresh / Potable Water in Carletonville
30% Reduction of Fresh / Potable Water in Welkom

5. Doornkop Project 5000m3/Day Impacted Underground Excess
Multi-Technology Plant
AGF Filtration
UF Filtration
RO Desalinization
GAG Filtration
IX Heavy Metal Absorption
2 Products
2500m3/d - SANS Potable Water
1900m3/d- SANS Discharge into Environment
RO Recovery - 85% & Plant Recovery - 78%
Brine Disposed to Tailing Storage Facility

6. Doornkop Project

7. Welkom - Target Project
2000m3/Day Impacted Underground Excess
Single Technology Plant
AGF Filtration
UF Filtration
RO Desalinization
1400m3/d- SANS Potable Water
RO Recovery - 85%
Plant Recovery - 75%
Brine Disposed to Tailing Storage Facility
Construction At the End of the Year

8. Welkom – H1P Project 2140m3/Day Impacted Underground Excess
Single Technology Plant
AGF Filtration
UF Filtration
RO Desalinization
1500m3/d- SANS Potable Water
RO Recovery - 85%
Plant Recovery - 75%
Brine Disposed to Tailing Storage Facility
Construction At the End of the Year

9. WCM – Mine Impacted Water Treatment
WCM Operate And Maintain 7 Advance Water Treatment Plants
Treat 77000m3/d Impacted Mine Water
Produce 27300m3/d SANS Potable Water
Produce 43000m3/d Compliant Environmental Discharge
Generate 6700m3/d of Waste Streams (23200kg/d)
Waste Disposed of to Licensed Tailings Facilities

10. POTABLE WATER – U/G FISSURE WATER (Crystalactor® Softening) 5 MLD Build-Own-Operate

11. POTABLE WATER – U/G FISSURE WATER (IX Softening with Brine Recovery) 20 MLD Operate and Maintain

12. POTABLE WATER – TAILINGS RETURN WATER (Reverse Osmosis Desalination) 3
POTABLE WATER – TAILINGS RETURN WATER (Reverse Osmosis Desalination) 3.5 MLD Build-Own-Operate

13. AMD TREATMENT PLANT (WCM High Rate Settler) 50MLD Build-Own-Operate

14. Summary Harmony Gold Is committed to Water Stewardship
Water Stewardship is an Active Process
Technology Exists to treat Mine Impacted Water
Partnering in Industry is Cristal

15. Thank You