1. Debswana Orapa and Letlhakane Mines – Using Wonderware Data Historian to build reporting tools Kabo Phetlhu IT Analyst - Systems

2. Agenda IntroductionIntroduction Project Solution BenefitsBenefits ConsiderationsConsiderations SummarySummary

3. Page 3 Debswana Diamond Company Two Geographically Dispersed Operations Product:Diamonds

4. Page 4 DamtshaaLetlhakane No. 1 Plant To FISH (Jwaneng Mine) No. 2 Plant Orapa CARP Orapa & Letlhakane Mines Overview 3mtpa 0.6mcts/a 3.7mtpa 1mcts/a 9mtpa 7mcts/a 10mtpa 11mcts/a 19.6mcts/a

5. Statistics based on 2005 figures: Source DeBeers Report to Stakeholders 2005/6 Diamond Production by Value - 2006 (US$12.8bn)

6. EXCEL REPORTS DISTRIBUTED OVER NETWORK MANUAL DATA ENTRY AND FORMATTING Quest for information… ► No real history ► Error prone reports ► Time consuming exercise manually logging data ► Requirement for data clerks who were being phased out

7. Agenda IntroductionIntroduction Project Solution BenefitsBenefits ConsiderationsConsiderations SummarySummary

8. Treatment Information Management System Context FUTURE

9. Why Wonderware Historian? ► Fully configured Microsoft SQL Server database for Production Plants ► High speed data acquisition and storage system ► Microsoft Office based reporting tools ► Graphical trend analysis ► Web reporting functionality ► High data availability support

10. Data Historian Setup

11. Data Historian Solution in action… ► Using Active Factory Trend for Headfeed trend analysis Using ► Using Active Factory Workbook for Headfeed analysis Using ► Using Active Factory Workbook to automate Shift Hourly Log file Using

12. Agenda IntroductionIntroduction Project Solution BenefitsBenefits ConsiderationsConsiderations SummarySummary

13. Benefits ► No data clerks required to capture data from the SCADA onto the hourly shift log spreadsheet ▪ Savings of minimum BWP 256 286.00 (ZAR 297 291.00) – from Jan – Nov 2008 ► Process Engineers have more time to do qualitative analyse of data rather than compilation ► Customisation of reports ► Reduction in the number of errors in reports due to manual capturing of data ► Improved historical data storage ► Provides platform for interfaces with other systems

14. Agenda IntroductionIntroduction Project Solution BenefitsBenefits ConsiderationsConsiderations SummarySummary

15. Specialisation Technology Focus Project Implementation Performance Collaboration Business Solutions Project Management Considerations People and Processes

16. Agenda IntroductionIntroduction Project Solution BenefitsBenefits ConsiderationsConsiderations SummarySummary

17. Conclusion ► Solution delivered successfully ► Customer satisfied solution delivered when data clerks phased out ► Roll-out solution to other plants ► Wonderware Data Historian to serve as the foundation for future MIS solutions across Treatment plants

18. Thank you