Rubicon Minerals — Technical Presentation (June 2006)
46 slides from Rubicon Minerals's technical presentation, Jun 29, 2006
Slide 1: Certificate of Qualified Person
Michael James Evans C/o Africo Resources Limited The Admiral, Admiralty Way, Summerstrand, Port Elizabeth. RSA Telephone/Fax: (+2741) 583 5637 Email: mjevans@icon.co.za CERTIFICATE OF QUALIFIED PERSON I, Michael James Evans, do hereby certify that: 1. I am Project Manager of: Africo Resources Limite
Slide 2: tere nan Ane Lenard ya
tere nan Ane 2 Lenard ya Gy nt tc pana and Pay By © (thea ret rand eee pe eon SeeRthnseete teoet open Bed ecncange De nm te 08 Somos REGO — _SARTATIRT Ry BREETOR Remus Messe e Rermaaemisncs tyne
Slide 3: Additional Requirements: Mining Approach and Slope Design
ADDITIONAL REQUIREMENTS FOR TECHNICAL REPORTS ON DEVELOPMENT PROPERTIES AND PRODUCTION PROPERTIES 23.1 Mining 23.1.1 Mining Approach It has been assumed that the Project will involve a conventional open pit, selective mining exploitation method, employing a mining contractor. Drilling and blasting w
Slide 4: Locality map showing the DRC and its neighbours
Figure 414 Locality map showing the DRC and its neighbours } beMocratic |. Ly] REPUBLIC OF THE CONGO on BL Not the location ofthe Katanga Province and the centres of Kolwezi,Likasi and Lubumbashi in the southern potton of DRC.
Slide 5: Kalukundi Project Locality Map
Figure 442 Locality map of part of Katanga Province showing the Copperbelt region and the position of the Kalukundi concession KALUKUND! PROJECT LOCALITY MAP es - g.
Slide 6: Ownership of the Kalukundi Project
Figure 4.3_4 Ownership of the Kalukundi Project, Rubicon Minerals ] 38.8% Africo Resources beseresell ] 36% | H80 Family Trust Gecamines 75% | 25% Swanmines (Kalukundi)
Slide 7: Stratigraphic column for the Katanga supergroup
Figure 7.44 Stratigraphic column for the Katanga supergroup, emphasising the main units of interest in the Lower Roan formation Katanga System Statigraphy iain Sees | Fomation [Local Name [Beseinion Thiciness TGINDELUNGU SUPERIEUR-UPPER KunDeLunu |Se6menis, a Fave [esiones, cassis pacing ie Sales, s
Slide 8: Plan of the Kalukundi Concession
Figure 7.2_4 Plan of the Kalukundi Concession, 581 showing the Distribution of the Mineralised Fragments and Local infrastructure KALUKUNDI GEOLOGICAL MAP ee ee ee
Slide 9: Recovery vs Cu grade in the Kalukundi Fragment
Figure 173.24 Recovery vs Cu grade for RATG in the Kalukundi Fragment Recovery andgrede
Slide 10: Kalukundi Pit Optimisation Results
Figure 23.1.6 4 Kalukundi Pit Optimisation Results, March 06 Cu=$1.25!Ib, Co = $12.00b; Measured + Indicated Resources 914 18 1 17 18 10 20 21 22 23 26 Pit Shel! a Toa naeral ea Ore Une OF Cashtow (U8$000,00)
Slide 11: Pits with Waste Dumps
Figure 23.1.64 Pits with Waste Dumps
Slide 12: Principal and Anticline Pits with Waste Dumps
Figure 23.1.6 2 Principal and Antictine Pits with Waste Dumps
Slide 13: Material Movement Schedule and Project IRR Sensitivity
Total Tonnes Figure 23.1.84 Total Material Movement Schedule by Pit, Lee fnopal Ft w Ansine Peo Kaukanal POR PH Change RR 250% 2n0% 150% 0s Figure 23.16.44 Project IRR Sensitivity to Metal Price Changes om ry — Copper Price of 1 "00/b — 1.101 — 1.25% — 1.4005
Slide 14: Appendix 1: Company Standards and Blanks Plots
APPENDIX 1: Company Standards and Blanks Plots
Slide 15: Standard Control Plot
‘Standard: Eames on a Sent cee ev Prey ‘andard contrat Pat prey Saal A fal Y V Vln a “ 7 g & g g ¥ ry g Camutetve Deion or Aaaay Moon resent is ee iat Ane La Ae N A ee MS its ibe Ae mu — € € € &€ & £ € €
Slide 16: Cumulative Deviation from Expected Value (Standard A)
‘Cumulative Deviation from Expected Value (Standard: A) EF OE
Slide 17: Standard Control Plot (Standard A)
‘Siandard: Eement Une Detecton Lit Eipeced Value (EV) EV. Range ‘Standard Control Plot (Standard: A) ‘Cumulative Deviation from Assay Maan (Standard: A)
Slide 18: Cumulative Deviation from Expected Value (Standard A)
Cumulative Deviation from Expected Value (Standard: A) : g § £ é E g 4 § é
Slide 19: Standard Control Plot (Standard B)
98885 Bao hat ee BS ld Reedy ea ak ons andes ‘Standard Control Plot (Standard: 8) maclnoarg Eenent Une Detecion Lit Eopeced Value) EV. Range ‘Cumulative Deviation from Assay Maan (Standard: 8)
Slide 20: Cumulative Deviation from Expected Value (Standard B)
‘Cumulative Deviation from Expected Value (Standard: 8) FEE EE EER EE
Slide 21: Standard Control Plot (Standard B)
tandard: = Eement ox ne Detection Lit oped Value (EV) EV. Range ‘Standard Control Plot (Standard: 8) oy f aly | / EEE EEE EEE ER Fee eg f bob ‘Cumulative Deviation from Assay Maan (Standard: 8) \ tah FE = SS PEREEE EE EEE EEE EEE EEE ESE
Slide 22: Cumulative Deviation from Expected Value (Standard B)
‘Cumulative Deviation from Expected Value (Standard: 8) won| /
Slide 23: Standard Control Plot (Standard B)
tandard: = Eement ox ne Detection Lit oped Value (EV) EV. Range ‘Standard Control Plot (Standard: 8) oy f aly | / EEE EEE EEE ER Fee eg f bob ‘Cumulative Deviation from Assay Maan (Standard: 8) \ tah FE = SS PEREEE EE EEE EEE EEE EEE ESE
Slide 24: Cumulative Deviation from Expected Value (Standard B)
‘Cumulative Deviation from Expected Value (Standard: 8) won| /
Slide 25: Standard Control Plot (Standard 1)
maclnoarg a Eenent am Une Detecion Lit Eopeced Vale (EV: EV. Range ‘Standard Control Plot (Standard: 1) gE FE Fe € FE FE FEF EE ‘Cumulative Deviation from Assay Maan (Standard: 10)
Slide 26: Cumulative Deviation from Expected Value (Standard 10)
‘Cumulative Deviation from Expected Value (Standard: 10) gE
Slide 27: Standard Control Plot (Standard 10)
‘Standard: Ww bdr rons Te Eanen om Niue 000 Une Nacmon: bo Detecion Lit esr oe Bipeced Value (EV) aot Sts Deviate: rey EV. Range otpast in Tolerance 00% ise w22% RSD erie ‘Standard Control Plot (Standard: 1) Fool f \ ] \ . EEE E EEE EE £ E PEER eG § = PE E isan aa ot esa sen ey bo ~ oe j= peat ae ee
Slide 28: Cumulative Deviation from Expected Value (Standard 10)
‘Cumulative Deviation from Expected Value (Standard: 10) f — ' set { ania \ stim \ asoaas qs ¢ 3 @ i i
Slide 29: Standard Control Plot (Standard 10)
‘Standard: Ww bdr rons Te Eanen om Niue 000 Une Nacmon: bo Detecion Lit esr oe Bipeced Value (EV) aot Sts Deviate: rey EV. Range otpast in Tolerance 00% ise w22% RSD erie ‘Standard Control Plot (Standard: 1) Fool f \ ] \ . EEE E EEE EE £ E PEER eG § = PE E isan aa ot esa sen ey bo ~ oe j= peat ae ee
Slide 30: Cumulative Deviation from Expected Value (Standard 10)
‘Cumulative Deviation from Expected Value (Standard: 10) f — ' set { ania \ stim \ asoaas qs ¢ 3 @ i i
Slide 31: Standard Control Plot (SGSWASTE)
bones 7) bdr rons 7%. Eames Ge Nira oe om tn te ae hee te eeecel vate en: ons Se evaton it eVene osteo Sleace ott: the ers, Be oie Standard Cortot Pot (Standards Seswaste) i i F FF £ F € €£ & & & & & & & & & & ‘Cumulative Deviation from Assey Mean “Standard: Soswaste) j H i [ £ € € € € ¢ E ¢
Slide 32: Cumulative Deviation from Expected Value (SGSWASTE)
‘Cumulative Deviation from Expected Value (Standard: SGSWASTE)
Slide 33: Standard Control Plot
bones Laden roa Eames Nima a Sen tne eects en Prey’ andard contrat Pat Sands Sasa) 5 [ \ ou | \ ] er: a ae Poi PoE PE Camus Deion tor aaa Moon “Stators Sesenatey jal = od Z fad col rf g
Slide 34: Appendix 2: Repeats and Umpire Plots
APPENDIX 2: Repeats and Umpire Plots
Slide 35: Original vs Repeat Co Result
“Original Co Result Toa Fearn OC Tas Micmur oe Spearman OC oer asm Mannan: ‘oe Nese Medan HARD: ee Nesan Se Beaton: Mean 0: 208 Coctiset ef Varation Medan BRO 34 T 8H Precision Plot (Assay Pairs) Rank HARD Plot (all Data) (all Data) : _ H Z od 2 oy 2 50 4 Es Faas Z| ean of Bata Pair (6/8) Rank (6) M
Slide 36: Repeat Co Correlation Plot
repeat co (9/8) Correlation Plot (all Data) 09 Piot caitpatay Repeat co (9/t) crignal-c0(9/8)
Slide 37: Original vs Repeat Cu Result
Original Cu Result Te Fae = PexeAOE ae Menus fi ‘Speaman CC 208 Masur: 2500 Neannaaa: oo Mean =] Nec HARD: te Mesan Sed Deviate Mean #0: 388 Costin of Vantin Mac HD 3a T&M Precision Plot (Assay Pairs) Rank HARD Plot ‘ai Data) ‘all Data) Z ol 2o| fo 1 - sean of bata Pair (9 rank) Mean vs. HARD Plot H
Slide 38: Repeat Cu Plot
Repent. (9/0) 09 Piot (atbata) cattpatay 3 a4 cxiginal.cu (6/8) crisinal.cu(o/®)
Slide 39: SGS JHB Cu vs SGS Tor Cu Result
SGS JHB Cu | SGS Tor Cu Result Te Fae ea ze PaxEnOE 700 Menu 00 ‘Spearman CC +00 asm ped Mean naaa: 38° Mean ‘tar Mean HARD: om Mesan 200 Sed Deviate ie Mean #20: 161 Costin of Vantin: EA] Msc HD 200 T&M Precision Plot (Assay Pairs) Rank HARD Plot a'bata) “al'bata) 5 _ 4 gal i fa 2 ad 3 F omy Moan v
Slide 40: Correlation Plot
Correlation Plot 99 Piot (aData) caltpatay ses aH8 cu (o/s) $65 2H cu (0/2)
Slide 41: SGS JHB Co vs SGS Tor Co Result
'SGS JHB Co | SGSTor Co Result NaFaRE a % mur Speman im hex Paes ost Ness Nein FARO: Ee Nesan Se Dever: Mean #0 202 Sova Vata Nein fs a TH Precision Plot (Assay Pairs) Rank HARD Plot (a Data) “all Data) i A Soa 3 3 ones ean of Data Pir (9/2) rank (06) ‘Mean ve, HARD Plot HRD Histogram ‘li Bata) (all
Slide 42: Appendix 3: Confirmation of Title
APPENDIX 3: Confirmation of Title
Slide 43: Djunga & Risasi Title Opinion
DJUNGA & RISASI “Teme Etage, Avenue ces Aviateurs, Immeuble UBC Kinshasa/Gombe, République Démocratique du Congo ‘Tel: (243) 818846225818848336 Fax: (243) 813016638 E-mail: jurisconsults@ie.ed 4 April 2006 Michael Keating Chief Operating Officer Africo Resources Limited Johannesburg South Africa Re:
Slide 44: Validation and conversion of mining rights
HYDRO/01/2001 of 11 October 2001. Following the enactment of Law No. 07/2002 of 11 July 2002 (the “Mining Code") and Decree No. 038/2003 of 26 March 2003 (the “Mining Regulations’), the holders of mining rights were required to validate their mining rights and to apply with the Mining Registry for t
Slide 45: Fees, obligation to commence works, environmental obligations
42 43 We have been able to ascertain that Swanmines has paid the annual surface area fees for 2005 and 2006 to maintain the Kalukundi Exploitation Permit current. Obligation to commence works The Mining Code requires the title holder to commence development and construction works within three years
Slide 46: Liens or encumbrances over the Permit
Liens or encumbrances over the Permit Our review of the records of the Mining Registry reveals that at the date of this opinion the Kalukundi Exploitation Permit is free and clear of any liens, mortgage or security interest of any kind. There are no spacial conditions placed on the Kalukundi Exploit
Rubicon Minerals — Technical Presentation (June 2006) on 6ix