1. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 Integration of Rock Properties, Geology & Geochemistry for Cu-Co at Johnny Lee -- Past and Present Greg M. Hollyer, M.Sc.(Eng.), P.Eng, PanPacific Wireline Services Phil Hawke, Ph.D., Wireline Services Group Cobalt – High strength strategic mineral at the leading edge of the search for alternative & renewable energy systems

2. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 SUMMARY OF TALK – PAST AND PRESENT Brief Introduction -- Johnny Lee Cu - Co Deposit, now in permitting with Tintina Resources Past – Case History of Integrated Rock Property Logs, Geology and Geochemistry for Cu-Co at Johnny Lee Present –Logging Evolutions at Johnny Lee Today Present – Brief Look at Some Evolutions in Rock Property Logging Summary Johnny Lee Cu-Co Deposit – Centre of 600 x 1000 m Upper Zone Mineralization

3. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 INTRODUCTION Last 25 years, integration of airborne and surface Geophysics, Geology, and Geochemistry is proven Here, we consider Geologic logs and Geochemical assays obtained from core through drilling & Rock Property logs measured in situ in open drill holes Cu – Co Case History shows data and results from an integrated drill hole study and a basic framework for interpreting each type of data together “Success in mining comes at the point of a drill bit” (paraphrased from geologist, 2015)

4. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 CASE HISTORY – JOHNNY LEE Cu - Co Upper Sulphide Zone & Lower Sulphide Zone with Volcano Valley Fault. Silty shales, conglomerates, dolomites & dolomitic shales. Helena Embayment – 350 m section of Dolomite over 700 m of Shales – a “Sulphide Factory”

5. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 ROCK PROPERTY, GEOLOGY & GEOCHEMICAL DATA FOR JOHNNY LEE STUDY BHP initiated a multi-hole Rock Property program 8 logs at 5 cm regular sampling to depths of 650 m Paper copies of all Geological core logs Rock type and detailed core descriptions Digital Geochemical assays from 32 elements Irregular samples in sediments; well-sampled sulphides as per areas of economic interest Little to no Structural information Johnny Lee – 600 x 1000 m Upper Cu – Co Zone and 350 x 1000 m Lower Cu – Co Zone E-W Rock Property Section Upper Cu – Co Zone Lower Cu – Co Zone Discovery Hole – SC17 N-S Rock Property Section

6. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 JOHNNY LEE ROCK PROPERTY LOGS AND APPLICATIONS

7. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group 7 STEPS TO DATA INTEGRATION AT JOHNNY LEE 1.Examine Rock Property logs in detail & Walsh filter 2.Integrate Geological rock units from transcribed logs 3.Plot Rock Properties with Geology & characterize 4.Select E-W & N-S sections for detailed computation 5.Zone & de-sample Rock Property logs to Assay intervals 6.Merge Rock Property logs with Geochemistry 7.Factor Analysis on integrated data 8.Evaluate integrated results PDAC KEGS SYMPOSIUM 2015 Walsh “Rectangularizing” Transform Showing Base Sequencies and Operations

8. ROCK PROPERTY FINGERPRINTS IN LOWER SULPHIDE ZONE Induced Polarization for SC-31 2 zones present Different fingerprints from different mineral textures Progressive Walsh Transform filtering to: Give a light “sanding” and remove high frequencies Facilitate recognition of underlying fingerprints Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 Walsh “Rectangularizing” Transform Showing Progressive Filtering to Right Induced Polarization (%) Lower Sulphide Zone Zone A 300 m 400 m Raw 2 Point 4 Pt 8 Pt 16 Pt Zone B

9. VISUAL EXAMINATION OF ROCK PROPERTY LOGS Natural Gamma log for Hole SC-31 Linear relationship with K20 assay and Gamma log -- mapping silty shales in this environment Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 Sulphide zones are each characterized by the presence of interbedded silty shales Natural Gamma (cps) Lower Sulphide Zone 300 m 400 m Zone A Zone B Raw 2 Point 4 Pt 8 Pt 16 Pt

10. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 ROCK PROPERTY FINGERPRINTS FOR UPPER SULPHIDE ZONE Gamma (GREEN) maps shaley beds above, below and within zone Inverse Resistivity / Galvanic Conductivity (BLUE) maps sulphides IP (PURPLE) maps sulphides and finer sulphide textures Susceptibility (ORANGE) maps magnetic base of zone Suggests methods for Airborne / Surface Geophysics near Johnny Lee 1. Resistivity, 2. Induced Polarization, and 3, Magnetics (shown here) 4. EM and 5. SP (logs shown later) 6. Gravity – Density of 3 g/cc (not shown) and 7. Seismic (present?) SC-41 fingerprints map up to 250 m 30 m 80 m 150 m

11. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group INTEGRATING GEOLOGY AND ROCK PROPERTIES Upper Sulphide / Sulphate Zone (USS) 4 overlying plates of pyritic sulphides IP, Galvanic Conductivity, and EM responses Weak Susceptibility response Upper Cu – Co Zone (UCC) EM Conductivity is saturated (tool limit) Susceptibility fingerprint is diagnostic 1 / Resistivity maps all sulphides Airborne / Ground Geophysics must see thru USS zones and then Upper Zone sulphides to hit core of deposit PDAC KEGS SYMPOSIUM 2015 Hole SC41 showing Geologic log (sulphides and silty shales, some conglomerates) 100 m 140 m Geol Gam IP 1/Res Susc Con

12. EAST WEST FENCE – SC-41 to SC24 USZ Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 USZ sulphides mapped by IP fingerprints to West 50 m thick Upper Sulphide Zone pinches to 15 m to West Carbonates in upper sediments correlate to West Sulphide & Carbonate marker horizons Carbonate (Gam & Res) Marker Sulphide (IP & 1/Res) Marker 100 m Gamma, Long Res & IP Logs East West

13. N – S ROCK PROPERTY SECTION -- SPONTANEOUS POTENTIAL -- SC-41 to SC24 SP logs – Upper Sulphide Zone SP fingerprints are virtually identical within in SC-21 and SC-28 -- 75 m apart Fingerprint also present in next hole to right (SC-22) Rock Properties characterize and correlate; gives an impression of a consistent mineralizing environment. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 100 m North South SC - 41 SC - 24 SC - 21 SC - 22 SC - 28

14. E – W ROCK PROPERTY SECTION – EM CONDUCTIVITY – SC 41 TO SC17 Conductivity logs -- Upper Sulphide Zone Conductivity fingerprints have a strong correspondence from hole-to-hole Conductivity above readable scale in 3 holes – tool limit – relatively strong conductor (saturating tool) Rock Properties give the impression of multiple conductors, increasing in thickness from West to East Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 100 m West East SC - 41 SC - 17 Discovery Hole

15. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 Q-MODE FACTOR ANALYIS & REVIEW OF DATA Maps results spatially (including all drill holes in previous East-West section) Generates factor scores – interpretable combination of “new” Rock Property & Geochemical variables Generates factor loadings – loadings map spatial distribution of factor scores Colour plot factor loadings and interpret geologically Review raw data to confirm value of factors and analysis Factor 7 for SC-36 Upper Sulphide Zone with Th, Gold, and Cobalt (< 2.5% of variability)

16. FACTOR LOADING IMAGE – SC36 Loadings for Factors 1 to 8 with 75% of variability in L1 and L2 Factors First two factors account for more than 75% of variation in dataset Zones of high significance on the factor are in red grading to blue at low end Loading 1 maps Fe2O3 & is thought to be the pyrite component in the ore zone. Other loadings show distinct patterns -- today, map each Factor in 3D for all holes Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 Loading 1 L2 L3 L4 L5 L6 L7 L8 335 m 400 m

17. ROCK PROPERTY / GEOCHEMICAL FACTOR 8 – UPPER SULPHIDE ZONE – SC36 Raw data for Cu, Zn and Inverse Resisitivity (1/SR) showing interval from approximately 335 m to 400 m Factor Loading 1 (colour bar) shows outline of USZ with respect to Cu-Zn zones from Factor 8 raw data Inverse Resistivity appears to be a Cu indicator here But not perfect – Blue arrow (Cu anomaly with no 1/SR) Cu here not a geochemical outlier – multiple samples Textural change for Cu? Review IP and Geology – circular process Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 335 m 400 m Loading 1 – SC36 Raw Data from Factor 8 – SC36

18. ROCK PROPERTY / GEOCHEMICAL FACTOR 7 – UPPER SULPHIDE ZONE – HOLE SC41 Raw data for Lead, Zinc and Induced Polarization Derived from integrated Factor Analysis Red Zones show correlating fingerprints – Blue Zone shows pyritic plate that differs from model Interpretation Close but not perfect relationship with Pb, Zn and IP? Need to go back to Geology – circular process Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015

19. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 SUMMARY OF JOHNNY LEE INTEGRATED STUDY of Case History at Johnny Lee Rock Property fingerprints for Upper Sulphide Zone mapped over 300+ m. Nose Carbonate also mapped to West. Rock Property data integrated with Geology / Assays Slight degradation of Rock Property data from de-sampling to Assay intervals but Factor model was robust Factors from Analysis were confirmed in original data & were interpreted Geologically, Geochemically and Geophysically 6+ months of detailed investigation – two to three days today Insight into surface Geophysical methods for these deposits Can we shorten time to discovery? First drilled 1981 Johnny Lee Cu-Co Deposit – Centre of 600 x 1000 m Upper Zone Mineralization

20. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 THE PRESENT - JOHNNY LEE AND LOGGING TODAY of Case History at Johnny Lee Image shows 3D plan for mine and total contained Copper in the Johnny Lee deposit – now in permitting Still challenges going underground, including faults in LSZ New logging program following recent review of Case History Televiewer Survey – January 2015: Orienting structures in situ for exploration & mine planning Sonic Survey – January 2015: Evaluating rock mass parameters for pre-engineering Investigating feasibility of seismic surveys in area Johnny Lee Cu-Co Deposit – 910 M lbs of Copper as well as a Cobalt resource in USZ

21. THE PRESENT – SELECTED EVOLUTIONS IN LOGGING TODAY of Case History at Johnny Lee NEW TOOLS: Televiewer for structure; Spectral Gamma; Gyroscopes for orientation; Induced Polarization, Conductivity CALIBRATION: Tools in this study were uncalibrated; now a standard practice in Rock Property logging PROCESSING: New means of calibration, including Gamma and other methods for grade control in suitable deposits 3D GRAPHICS: Did not have for the Case Study. Simplifies integration and interpretation from six months to days ONBOARD MEMORY TOOLS: A new means of operation and a driver toward Gyroscopes, Radar & Shuttle Tools SHUTTLE TOOLS: Piggyback multiple tool strings through the drill bit so that there is no rig downtime – log on removal WISH LIST: Slimline, efficient XRF for regular assays in situ Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 Acoustic Televiewer – For Johnny Lee, would have added valuable structural detail.

22. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 SUMMARY OF TALK – PAST AND PRESENT Brief introduction -- Johnny Lee Cu - Co Deposit Past – Case History of Integrated Rock Property Logs, Geology and Geochemistry for Cu-Co at Johnny Lee Present – Rock Property Logging Evolutions from Johnny Lee Today Present – Brief Review of Some Evolutions Thank you Johnny Lee Drilling – Results in mining come at the point of a drill bit

23. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 Acknowledgments BHP-Utah Mines & Ken Witherly for support & vision Jerry Zieg, Vice-President - Exploration, Tintina Resources Howard Golden, Geophysicist, BHP Marshal Himes, Geologist, BHP Peter Rankin, Geologist, Cominco Peter Holland, Geochemist and Factor Analysis Specialist Dr. A. V. Dyck, Professor, Queens Geological Sciences Wireline Services Group & PanPacific Wireline Services Thank you

24. Greg M. Hollyer, M.Sc.(Eng.), P.Eng Phil Hawke, Ph.D., Wireline Services Group PDAC KEGS SYMPOSIUM 2015 An Invitation to Exploration ’17 October 21 – 25, 2017 Toronto, Canada Soon at www.exploration17.com