Technical Report Newcrest Mining March 2014 TECHNICAL REPORT ON THE TELFER PROPERTY IN WESTERN AUSTRALIA AUSTRALIA Prepared by Newcrest Mining Limited, in accordance with the requirements of National Instrument 43-101, Standards for Disclosure of Mineral Projects, of the Canadian Securities Administrators. Qualified Persons: Mr Colin Moorhead BSc (Hons), FAusIMM Effective Date of Report: 31 December 2013 CONTENTS 1 SUMMARY ................................................................................................................. 1 Introduction and Terms of Reference ........................................................................ 1 1.1 Geology ........................................................................................................ 1 1.2 Mine Production ............................................................................................ 1 1.3 Mineral Resources ........................................................................................ 1 1.4 Mineral Reserves .......................................................................................... 2 1.5 Mining Operations ......................................................................................... 3 1.5.1 Main Dome and West Dome (Open Pit) ............................................. 3 1.5.2 Telfer Main Dome Underground (Underground) ................................ 4 1.6 Infrastructure and Concentrate Handling ....................................................... 6 1.7 Environment and Community Management .................................................. 6 1.8 Capital and Operating Costs ......................................................................... 6 1.9 Conclusions .................................................................................................. 7 1.10 Recommendations ........................................................................................ 7 2 INTRODUCTION ........................................................................................................ 8 2.1 General and Terms of Reference .................................................................. 8 2.2 Report Authors .............................................................................................. 8 2.3 Units of Measure and Currency ..................................................................... 9 3 RELIANCE ON OTHER EXPERTS ........................................................................... 11 4 PROPERTY DESCRIPTION AND LOCATION.......................................................... 12 4.1 Property Location ........................................................................................ 12 4.2 Land Tenure ............................................................................................... 13 4.3 Relevant Agreements.................................................................................. 18 4.3.1 Westwin Option Agreement ............................................................. 18 4.3.2 Acebell Option Agreement ............................................................... 18 4.3.3 Cape Lambert Withdrawal and Royalty Agreement ......................... 18 4.3.4 Martu Agreements ........................................................................... 19 4.4 Royalties Payable ....................................................................................... 19 4.4.1 Mount Isa Mines Limited .................................................................. 19 4.4.2 Mineral Commodities Limited .......................................................... 19 4.5 Environmental Liabilities ............................................................................. 19 5 ACCESSIBILITY, CLIMATE, LOCAL RESOURCES, INFRASTRUCTURE AND PHYSIOGRAPHY ..................................................................................................... 20 5.1 Accessibility ................................................................................................ 20 5.1.1 Road ............................................................................................... 20 5.1.2 Air Strip ........................................................................................... 20 5.2 Climate ....................................................................................................... 20 5.3 Local Resources ......................................................................................... 20 5.4 Infrastructure ............................................................................................... 20 5.4.1 Water Supply ................................................................................... 20 5.4.2 Electricity Generation ...................................................................... 21 5.4.3 Gas Supply ...................................................................................... 21 5.4.4 Port Facilities ................................................................................... 21 5.4.5 Mining Camp ................................................................................... 21 5.4.6 Auxiliary Infrastructure ..................................................................... 21 6 HISTORY .................................................................................................................. 22 6.1 Discovery .................................................................................................... 22 i Newcrest Mining – Technical Report on the Telfer Property - 31 December 2013 6.2 Telfer Gold Mine Development History ........................................................ 22 6.2.1 Introduction ..................................................................................... 22 6.2.2 Oxide Mining ................................................................................... 22 6.2.3 Sulphide Reef Mining ...................................................................... 23 6.2.4 High Cyanide Soluble Copper Mining .............................................. 23 6.2.5 Telfer Main Dome Underground (Deeps) ......................................... 23 6.3 Historic Mineral Resources ......................................................................... 24 6.4 Summary .................................................................................................... 24 7 GEOLOGICAL SETTING AND MINERALIZATION ................................................... 26 7.1 Telfer .......................................................................................................... 29 7.1.1 Geology ........................................................................................... 29 7.1.2 Mineralization .................................................................................. 32 7.2 O'Callaghans .............................................................................................. 36 7.2.1 Geology ........................................................................................... 36 7.2.2 Mineralization .................................................................................. 37 7.3 Camp Dome ................................................................................................ 37 7.3.1 Geology ........................................................................................... 37 7.3.2 Mineralization .................................................................................. 38 8 DEPOSIT TYPES ..................................................................................................... 39 8.1 Telfer .......................................................................................................... 39 8.2 O'Callaghans .............................................................................................. 39 8.3 Camp Dome ................................................................................................ 40 9 EXPLORATION ........................................................................................................ 41 9.1 Telfer .......................................................................................................... 41 9.2 O'Callaghans .............................................................................................. 41 9.3 Camp Dome ................................................................................................ 42 10 DRILLING ................................................................................................................. 43 10.1 Drilling Programmes.................................................................................... 43 10.2 Survey Control ............................................................................................ 47 10.3 Geological Logging ..................................................................................... 48 10.4 Sampling Procedures .................................................................................. 48 11 SAMPLE PREPARATION, ANALYSES AND SECURITY ......................................... 49 11.1 Historical Sample Preparation, Analysis and Security ................................. 49 11.2 Sample Preparation and Analyses .............................................................. 50 11.3 Sample Security .......................................................................................... 53 11.4 Main Dome QAQC ...................................................................................... 54 11.4.1 Certified Reference Materials .......................................................... 54 11.4.2