SAFE, SIMPLE AND EFFECTIVE!
De Beers Venetia Mine
WelcomesAnglo American plc
SAFE, SIMPLE AND EFFECTIVE!
Venetia Mine Vision
Our Venetia an efficient and cost-effectivediamond operation responsibly securing our prosperity
SAFE, SIMPLE AND EFFECTIVE!
SAFE, SIMPLE AND EFFECTIVE!
Processes
A culture of continuous business improvement and standardization
entrenched in all processes within the workplace to ensure the short
term viability and long term sustainability
DELIVERY
Reputation High levels of confidence instilled with our
shareholders and key stakeholders (employees and external) by managing the mine within
acceptable and understandable levels of risk.
QUALITY
Financial
Sufficient cash generated to serve the FoC commitments and fund the growth and future expansion needs in such a way as not to compromise any of the covenants.
COST
People
Competent, innovative and passionate people and teams committed to continuous improvement
MORALE
Our ‘Definition of Victory’
ZERO HARM to People, Planet & Profit Always
SAFETY
SAFE, SIMPLE AND EFFECTIVE!
SAFE, SIMPLE AND EFFECTIVE!
Resources
SAFE, SIMPLE AND EFFECTIVE!
Kimberlite Cluster
K03
K02
K11
K08K05
K06
K12K04
K07K16
K01
K18
K10
SAFE, SIMPLE AND EFFECTIVE!
Kimberlite Cluster
K03
K02
K11
K08K05
K06
K12 K04K07 K16
K01
K18
K10
SAFE, SIMPLE AND EFFECTIVE!
Resource Models
North
K01 and K02 Modelled
to 1044m below surface
K03 modelled
to 600m below surface
Satellites modelled
to various depth
K01K02K03
K04
SAFE, SIMPLE AND EFFECTIVE!
Post SBP Resource Classification
Low Indicated
High Inferred
Medium Inferred
Very Low Inferred
2009 SBP Open Pit Mining Limit Current Mining Surface
Surface to B63
Surface to B13
B64 to B87
Surface to B14
B15 to B27
B28 to B58
B59 to B72
B36 to 49
Surface to B35
K03 K02 K01 K04
SAFE, SIMPLE AND EFFECTIVE!
Resources
0
1000000
2000000
3000000
4000000
5000000
6000000
7000000
8000000
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85
Tone
s
0
1000000
2000000
3000000
4000000
5000000
6000000
7000000
Car
ats
K01 Indicated Tones K01 Inferred Tones K2 Indicated Tones K2 Inferred Tons K3 Inferred Total Carats
Open Pit to end of Cut 3
Open Pit Cut 4
Underground Phase 1
Underground Phase 2
Tons 125.9Carats 168.4
Tons 57.9Carats 74.8
Tons 83.5Carats 97.8
Tons 41.9Carats 36.6
SAFE, SIMPLE AND EFFECTIVE!
Current Production
SAFE, SIMPLE AND EFFECTIVE!
Total Waste MinedBudget = 22.68mT
1653
1339
1872
1656
0200400600800
1,0001,2001,4001,6001,8002,0002,2002,400
Jan-
10
Feb-
10
Mar
-10
Apr
-10
May
-10
Jun-
10
Jul-1
0
Aug
-10
Sep-
10
Oct
-10
Nov
-10
Dec
-10
Tons
in T
hous
ands
YTD (Mar) 7% up vs budget
2009 Budget = 1.5Mt YTD Actual = 4.86mT YTD Budget = 4.54mT
SAFE, SIMPLE AND EFFECTIVE!
Kimberlite MinedBudget = 3.63mT
64
461
390
209
0
100
200
300
400
500Ja
n-10
Feb-
10
Mar
-10
Apr
-10
May
-10
Jun-
10
Jul-1
0
Aug
-10
Sep-
10
Oct
-10
Nov-
10
Dec-
10
Tons
in T
hous
ands
YTD (Mar) 1% up vs budget
2009 Budget = 1.5Mt YTD Actual = 0.91mT YTD Budget = 0.90mT
SAFE, SIMPLE AND EFFECTIVE!
2009 Budget = 1.5Mt YTD Actual = 5.78mT
Total Tons MinedBudget = 26.30mT
YTD Budget = 5.44mT
1,71
7
1,78
0
2,26
2
1,86
5
0
600
1,200
1,800
2,400
3,000
Jan-
10
Feb-
10
Mar
-10
Apr
-10
May
-10
Jun-
10
Jul-1
0
Aug
-10
Sep-
10
Oct
-10
Nov-
10
Dec-
10
Tons
in T
hous
ands
YTD (Mar) 6% up vs budget
SAFE, SIMPLE AND EFFECTIVE!
215
318
390
312
0
90
180
270
360
450Ja
n-10
Feb-
10
Mar
-10
Apr
-10
May
-10
Jun-
10
Jul-1
0
Aug
-10
Sep-
10
Oct
-10
Nov-
10
Dec-
10
Tons
in T
hous
ands
Kimberlite TreatedBudget = 4.00mT
YTD (Mar) 5% down vs
budget
2009 Budget = 1.5Mt YTD Actual = 0.92mT YTD Budget = 0.97mT
SAFE, SIMPLE AND EFFECTIVE!
178
362
426
355
0
100
200
300
400
500Ja
n-10
Feb-
10
Mar
-10
Apr
-10
May
-10
Jun-
10
Jul-1
0
Aug
-10
Sep-
10
Oct
-10
Nov-
10
Dec-
10
Car
ats
in T
hous
ands
Carats RecoveredBudget = 3.97mCts
YTD (Mar) 0.1% up vs
budget
2009 Budget = 1.5Mt YTD Actual = 0.97mCts YTD Budget = 0.96mCts
SAFE, SIMPLE AND EFFECTIVE!
Looking ForwardEnhancement Opportunities
SAFE, SIMPLE AND EFFECTIVE!18
Business Sustainability Programme Road Map
Select optimal depletion strategy
13/4
Detailed schedulingDetailed pit (incl. K03), stockpiles and the Underground schedules
21/4
Match schedule to Group
requirements
Finalise SBP & LOM Output
Group RequirementsCash flow, EBITDA
Dividends, Debt Repayments
5/5 Draft Report (off mine)Draft Report (on mine) 17/531/5
9/4
Mine Planning – Pit Optimisation
Pit Optimisation studies with reduced ramp widths & increased slope angles (high level Cut 3+ & Cut 4+ schedules)
Integrate high level schedules with K03
2009 Base Line SBP updated with current indices
Cut 4v27
Preliminary SBP models (Cut 3+, Cut 4+, Cut 4v27, U/G)
30/3
31/3
15/3
NOTE: Ore Extraction opportunities divided into:• Bankable• High Potential• Further Opportunities
Mining Equipment efficiencies (shovels & trucks)
Mining
Bench Height implementation study
Operational delay review
Truck Bowl Optimisation
Equipment Lifecycle review
15/3
20/3
30/3
Ongoing
Underground expansion
Iterative verification of the interface
with the Underground
team
21/4
19/3
Rehabilitation and ClosureLiability TBC
NOTE: Ore Processing opportunities divided into:• Bankable• High Potential• Further OpportunitiesAll need earliest start dates
Plant Recovery factor study(RATU Implementation)
Ore Processing
Satellite Stockpile treatment
Red Area Tailings treatment
K03 treatment
30/3
7/4
Mix 03 treatment
Final Report (off mine) 30/6
SAFE, SIMPLE AND EFFECTIVE!
Q2 2009 +
Q1 2010 +
Q4 2010 to Q1 2013
Q1 2011 +
2013 +
Ongoing Review
Satellite Stockpile
Red Area Tailings Dump
K03
Mix 03RATU Implementation
Improve plant efficiency
Upgrade obsolete technology
MODRUP replacement
Increase in throughput rates of satellite and other magnetic material
Bulk reduction in magnetic material
Wet Magrolls
Risks•Mine test unit versus production unit
Improve plant efficiency
Upgrade obsolete technology
MODRUP replacement
Increase in throughput rates of satellite and other magnetic material
Bulk reduction in magnetic material
Wet Magrolls
Increase in throughput rates of satellite and other magnetic material
Bulk reduction in magnetic material
Wet Magrolls
Risks•Mine test unit versus production unit
1,536,000Total carats
7,534,481 Total tons (LOM)
20 cpht Grade (@ 2DS)
Consist out of K4, K5,
K6
Composition
1,536,000Total carats
7,534,481 Total tons (LOM)
20 cpht Grade (@ 2DS)
Consist out of K4, K5,
K6
Composition
Risks•High yields, exceed recovery capacity•Grade variation•EMV fleet availability•Accelerate EMV capital spend
2,433,000Total carats
114,064 Total tons
2133 cpht Grade (@ 2DS)
-3mm + 1 mm
recovery tailings
Composition
Risks•Grade variation
•Accelerated timelines•Red Area Infrastructure/Services Supply•Contaminants (grease, steel etc.)•Long lead items
2,433,000Total carats
114,064 Total tons
2133 cpht Grade (@ 2DS)
-3mm + 1 mm
recovery tailings
Composition
Risks•Grade variation
•Accelerated timelines•Red Area Infrastructure/Services Supply•Contaminants (grease, steel etc.)•Long lead items
3,500,000Total carats
12,500,000 Total tons
28 cpht Reserve grade
(@2DS)
MVKBR, DVK, MVK
Composition
3,500,000Total carats
12,500,000 Total tons
28 cpht Reserve grade
(@2DS)
MVKBR, DVK, MVK
Composition
2,746,000Total carats
8,373,000 Total tons
33 cpht Grade (@ 2DS)
63% Waste, 27%
kimberlite
Composition
2,746,000Total carats
8,373,000 Total tons
33 cpht Grade (@ 2DS)
63% Waste, 27%
kimberlite
Composition
Risks• High yields, exceed recovery capacity• Excessively hard material• Grade variation
Ore Processing Business Sustainability Program Implementation Plan
SAFE, SIMPLE AND EFFECTIVE!
Q1 2008 +
Q2 2009 +
Q4 2009 +
Q1 2010 +
Q4 2010 +
Q4 2010 to Q4 2013
2011 +
2009 Year Performance 2010 onwards BSP
42.5%42.5%
Pit Layout
Average Loading Rates per period - RH200
1274880 803
1214 1247949 817
1503 1336 12971510
19402170 2236
0
500
10001500
2000
2500
2009
0120
0902
2009
0320
0904
2009
0520
0906
2009
0720
0908
2009
0920
0910
2009
1120
0912
2010
0120
1002
Production Period
Aver
age
Tons
Average Loading Rates per period - RH340
13911163 963 1061 1010 1077
1314 1480 1570 1517 1571
2365 2323.4 2476
0500
10001500200025003000
2009
0120
0902
2009
0320
0904
2009
0520
0906
2009
0720
0908
2009
0920
0910
2009
1120
0912
2010
0120
1002
Production Period
Aver
age
Tons
’10 Q1 = 56%’09 YR = 39%
Budget Rate: RH340 = 1800tph, RH200 = 1400tph New Rate: RH340 = 2400tph, RH200 = 1800tph
Significant Improvement in December 2009 and January 2010 since Cut 3 and Cut 4
trims backlog has been mined out
Shovel Efficiencies
Phase 1
2.58%
60.00%
25.84%
11.58%2.23% 68.20%
22.31%
10.00%
2.58%
51.11%
34.73%
11.58%
17.4%17.4%
2009 Year Performance 2010 Budget Performance
Idle Time
Phase 2
13.7%13.7%
2011 onwards BSP
Bench Heights
Drill Efficiencies
Final High WallPosition
TrimBlock
2nd ProductionBlock
1st ProductionBlock
Bench Heights
Bowl Optimisation
Equipment Type 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020BLAST HOLE DRILL RIG 250mm 0 0 0 0 0 0 0 28,500,000 57,000,000 0 0 0O&K RH340 SHOVELS 0 0 0 80,000,000 80,000,000 0 80,000,000 80,000,000 0 0 0 0994 FRONT END LOADER 0 0 0 0 0 0 0 0 0 0 0 0HAULTRUCK CAT 789 0 0 0 0 0 0 18,377,196 36,754,391 0 0 0 0HAULTRUCK CAT 793 0 0 0 0 0 137,972,778 91,981,852 68,986,389 206,959,167 0 0 0TRACK DOZER CAT D9R 0 0 0 0 0 0 5,600,000 5,600,000 0 0 0 0TRACK DOZER CAT D10R 0 0 45,515,268 37,929,390 7,585,878 7,585,878 0 0 7,585,878 15,171,756 0 0TYRE DOZER CAT 834 0 0 0 17,054,778 5,684,926 11,369,852 5,684,926 5,684,926 0 0 0 0MOTOR GRADER CAT 16H 0 0 0 4,848,308 0 0 0 4,848,308 4,848,308 0 0 0MOTOR GRADER CAT 24H 0 0 0 12,374,533 0 12,374,533 0 0 0 0 0 0WATER TANKER 85 000lt 0 0 0 11,417,365 0 0 0 0 0 0 0 0385 TYPE EXCAVATOR 0 0 0 0 0 0 0 11,341,038 0 0 0 0375 TYPE EXCAVATOR 0 0 5,270,519 0 0 0 0 0 0 0 0 0988 FEL 0 0 0 0 0 0 5,374,260 5,374,260 0 0 0 0TYRE HANDLER 0 0 0 0 0 0 0 5,374,260 0 0 0 0SERVICE TRUCKS 0 0 0 0 2,479,678 2,479,678 0 0 0 0 2,479,678 2,479,678Dewatering Truck 0 0 0 0 0 2,479,678 0 0 0 0 2,479,678 0Dewatering Excavator Unit 0 5,270,519 0 0 0 0 5,270,519 0 0 0 0 5,270,519Hiab Trucks 0 0 0 2,000,000 0 0 0 0 2,000,000 0 0 0WATER BOWSERS 0 0 0 0 1,800,000 0 0 0 0 1,800,000 0 0FUEL BOWSER 0 0 0 0 1,800,000 0 0 0 0 1,800,000 0 0LOW BED 0 2,400,000 0 0 0 0 0 0 0 0 0 0SKID STEER 0 0 0 0 0 0 374,134 0 0 0 0 0HIGHWALL SCALER 0 0 0 0 0 0 2,400,000 0 0 0 0 0COMPACTOR 0 0 0 0 0 0 0 0 0 0 0 0Spare RH340 Buckets 0 6,449,246 0 0 0 0 0 0 0 0 0 0Total 0 14,119,765 50,785,787 165,624,374 99,350,482 174,262,397 215,062,887 252,463,572 278,393,353 18,771,756 4,959,356 7,750,197 1,281,543,927
Equipment Type 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020BLAST HOLE DRILL RIG 250mm 0 0 0 0 0 0 0 0 0 0 0 0O&K RH340 SHOVELS 0 0 0 0 77,431,189 0 0 0 0 0 0 0994 FRONT END LOADER 0 0 0 0 0 0 0 0 0 0 0 0HAULTRUCK CAT 789 0 0 0 0 0 0 0 0 0 0 0 0HAULTRUCK CAT 793 0 0 0 24,655,583 49,311,166 24,655,583 0 73,966,749 0 0 0 0TRACK DOZER CAT D9R 0 0 0 0 0 0 0 5,600,000 0 0 0 0TRACK DOZER CAT D10R 0 0 33,363,800 33,363,800 25,022,850 0 0 0 0 0 0 0TYRE DOZER CAT 834 0 0 7,226,888 7,226,888 14,453,776 7,226,888 14,453,776 0 0 0 0 0MOTOR GRADER CAT 16H 0 0 0 5,716,367 0 0 0 5,716,367 0 0 0 0MOTOR GRADER CAT 24H 0 0 0 14,270,647 0 14,270,647 0 0 0 0 0 0WATER TANKER 85 000lt 0 0 0 11,392,410 0 0 0 0 0 0 0 0385 TYPE EXCAVATOR 0 0 0 0 0 0 0 5,670,519 0 0 0 0375 TYPE EXCAVATOR 0 0 5,270,519 0 0 0 0 0 0 0 0 0988 FEL 0 0 0 0 0 0 5,374,260 0 0 0 0 0TYRE HANDLER 0 0 0 0 0 0 0 5,374,260 0 0 0 0SERVICE TRUCKS 0 0 0 0 2,479,678 2,479,678 0 0 2,479,678 0 0 0Dewatering Truck 0 0 0 0 0 2,479,678 0 0 2,479,678 0 0 0Dewatering Excavator Unit 0 5,270,519 0 0 0 5,270,519 0 0 5,270,519 0 0 0Hiab Trucks 0 0 0 2,000,000 0 0 0 2,000,000 0 0 0 0WATER BOWSERS 0 0 0 0 1,800,000 0 0 0 1,800,000 0 0 0FUEL BOWSER 0 0 0 0 1,800,000 0 0 0 1,800,000 0 0 0LOW BED 0 2,400,000 0 0 0 0 0 0 0 0 0 0SKID STEER 0 0 0 0 0 0 374,134 0 0 0 0 0HIGHWALL SCALER 0 0 0 0 0 0 0 0 0 0 0 0COMPACTOR 0 0 0 0 0 0 0 0 0 0 0 0Spare RH340 Buckets 0 6,449,246 0 0 0 0 0 0 0 0 0 0Total 0 14,119,765 45,861,207 98,625,695 172,298,659 56,382,993 20,202,170 98,327,895 13,829,875 0 0 0 519,648,259
Variance in Capital FCT 0 0 4,924,580 66,998,679 -72,948,177 117,879,404 194,860,717 154,135,677 264,563,478 18,771,756 4,959,356 7,750,197 761,895,668
2010 SBP - Cut 4 v27 (Base Case)
2010 SBP - Cut 3+ without K3
EMV Life CycleAverage Load per Truck (2008 - 2010/02/10)
150
160
170
180
190
200
210
220
230
2008
01
2008
02
2008
03
2008
04
2008
05
2008
06
2008
07
2008
08
2008
09
2008
10
2008
11
2008
12
2009
01
2009
02
2009
03
2009
04
2009
05
2009
06
2009
07
2009
08
2009
09
2009
10
2009
11
2009
12
2010
01
2010
02
2010
03
2010
04
2010
05
2010
06
2010
07
2010
08
2010
09
2010
10
2010
11
2010
12
793 789
793 Target Payload = 225t
10t (5%)Improvement
789 Target Payload = 180t
Truck Efficiencies
793 U/L793 U/L
789 U/L789 U/L
AttendanceAttendance
Shovel UtilShovel Util
Shovel W/TShovel W/T
Truck W/TTruck W/T
Operational Delays
Mining Business Sustainability Program Implementation Plan
Ongoing Review
SAFE, SIMPLE AND EFFECTIVE!
1
Select optimal depletion strategy
13/4
Select optimal depletion strategy
13/4
Detailed schedulingDetailed pit (incl. K03), stockpiles and the Underground schedules
21/4
Detailed schedulingDetailed pit (incl. K03), stockpiles and the Underground schedules
21/4
Match schedule to Group
requirements
Finalise SBP & LOM Output
Group RequirementsCash flow, EBITDA
Dividends, Debt Repayments
5/5
Match schedule to Group
requirements
Finalise SBP & LOM Output
Group RequirementsCash flow, EBITDA
Dividends, Debt Repayments
Match schedule to Group
requirements
Finalise SBP & LOM Output
Group RequirementsCash flow, EBITDA
Dividends, Debt Repayments
5/5 Draft Report (off mine)Draft Report (on mine) 17/5Draft Report (on mine) 17/531/5
9/4
Mine Planning – Pit Optimisation
Pit Optimisation studies with reduced ramp widths & increased slope angles (high level Cut 3+ & Cut 4+ schedules)
Integrate high level schedules with K03
2009 Base Line SBP updated with current indices
Cut 4v27
Preliminary SBP models (Cut 3+, Cut 4+, Cut 4v27, U/G)
30/3
31/3
15/3
9/4
Mine Planning – Pit Optimisation
Pit Optimisation studies with reduced ramp widths & increased slope angles (high level Cut 3+ & Cut 4+ schedules)
Integrate high level schedules with K03
2009 Base Line SBP updated with current indices
Cut 4v27
Preliminary SBP models (Cut 3+, Cut 4+, Cut 4v27, U/G)
30/3
31/3
15/3
Mine Planning – Pit Optimisation
Pit Optimisation studies with reduced ramp widths & increased slope angles (high level Cut 3+ & Cut 4+ schedules)
Integrate high level schedules with K03
2009 Base Line SBP updated with current indices
Cut 4v27
Preliminary SBP models (Cut 3+, Cut 4+, Cut 4v27, U/G)
30/3
31/3
15/3
NOTE: Ore Extraction opportunities divided into:• Bankable• High Potential• Further Opportunities
Mining Equipment efficiencies (shovels & trucks)
Mining
Bench Height implementation study
Operational delay review
Truck Bowl Optimisation
Equipment Lifecycle review
15/3
20/3
30/3
Ongoing
NOTE: Ore Extraction opportunities divided into:• Bankable• High Potential• Further Opportunities
Mining Equipment efficiencies (shovels & trucks)
Mining
Bench Height implementation study
Operational delay review
Truck Bowl Optimisation
Equipment Lifecycle review
15/3
20/3
30/3
Ongoing
Mining Equipment efficiencies (shovels & trucks)
Mining
Bench Height implementation study
Operational delay review
Truck Bowl Optimisation
Equipment Lifecycle review
15/3
20/3
30/3
Ongoing
Underground expansion
Iterative verification of the interface
with the Underground
team
21/4
19/3
Rehabilitation and ClosureLiability TBC
Underground expansion
Iterative verification of the interface
with the Underground
team
21/4
19/3
Underground expansion
Iterative verification of the interface
with the Underground
team
21/4
19/3
Rehabilitation and ClosureLiability TBC
Rehabilitation and ClosureLiability
Rehabilitation and ClosureLiability TBC
NOTE: Ore Processing opportunities divided into:• Bankable• High Potential• Further OpportunitiesAll need earliest start dates
Plant Recovery factor study(RATU Implementation)
Ore Processing
Satellite Stockpile treatment
Red Area Tailings treatment
K03 treatment
30/3
7/4
Mix 03 treatment
NOTE: Ore Processing opportunities divided into:• Bankable• High Potential• Further OpportunitiesAll need earliest start dates
Plant Recovery factor study(RATU Implementation)
Ore Processing
Satellite Stockpile treatment
Red Area Tailings treatment
K03 treatment
30/3
7/4
Mix 03 treatment
Plant Recovery factor study(RATU Implementation)
Ore Processing
Satellite Stockpile treatment
Red Area Tailings treatment
K03 treatment
30/3
7/4
Mix 03 treatment
Final Report (off mine) 30/6Final Report (off mine) 30/6
0.5 x Tyre DiaAngle of repose = 37 deg
F = 36.9m if berm is 1.8m
A = 8.4m
Our berms are 1.80metres high i.e0m additionalfor safety reasons
0.0 m safety berm2 m backbreak
Toe = 0m B = 1.8m
E = A x a = 29.3m C = 5.6m
Dual Haul Road Cross Section
0.0 m for pipes
37m0.5 x Tyre Dia
Angle of repose = 37 degF = 36.9m if berm is 1.8m
A = 8.4m
Our berms are 1.80metres high i.e0m additionalfor safety reasons
0.0 m safety berm2 m backbreak
Toe = 0m B = 1.8m
E = A x a = 29.3m C = 5.6m
Dual Haul Road Cross Section
0.0 m for pipes
37m
Increased North domain boundary
Previous North domain boundary
Geotech domains and slope changes
Increased North domain boundary
Previous North domain boundary
Geotech domains and slope changes
Ultimate Pit (RG)Ultimate Pit (RG)
K1
K3
Plan View - Bench 10 (576 amsl)
C4 V27 (Design)C4 V27 (Design)
K1
K2
K3
K4K1K1
K2K2
K3K3
K4K4
Skin AnalysisSkin Analysis
Cut 3 (Design)Cut 3 (Design)
Cut 3+Cut 3+
Cut 4+Cut 4+
120m
120m
120m120m
120m120m
8.19?10.29.27.3Stripping Ratio
751561364271Waste
2314109LOM @ 4Mt
27
?
92
Cut 3+ & Cut 4+ (Net)
Cut 4+ (HLD)
V27 Dgn
Cut3+ (HLD)
161211LOM @3.5Mt
16%23%27%Rev/Cost Ratio
553937Ore
8.210.29.27.3Stripping Ratio
751561364271Waste
2314109LOM @ 4Mt
27
92
Cut 3+ & Cut 4+ (Net)
Cut 4+ (HLD)
V27 Dgn
Cut3+ (HLD)
161211LOM @3.5Mt
16%23%27%Rev/Cost Ratio
553937Ore
8.19?10.29.27.3Stripping Ratio
751561364271Waste
2314109LOM @ 4Mt
27
?
92
Cut 3+ & Cut 4+ (Net)
Cut 4+ (HLD)
V27 Dgn
Cut3+ (HLD)
161211LOM @3.5Mt
16%23%27%Rev/Cost Ratio
553937Ore
8.210.29.27.3Stripping Ratio
751561364271Waste
2314109LOM @ 4Mt
27
92
Cut 3+ & Cut 4+ (Net)
Cut 4+ (HLD)
V27 Dgn
Cut3+ (HLD)
161211LOM @3.5Mt
16%23%27%Rev/Cost Ratio
553937Ore
Ultimate Pit (RG)Ultimate Pit (RG)
Plan View - Bench 10 (576 amsl)
K1
K2
K3
K4K1K1
K2K2
K3K3
K4K4
Cut 3 (Design)
C4 V27 (Design)C4 V27 (Design)
Cut 3+Cut 3+
Cut 4+Cut 4+
8.19?10.29.27.3Stripping Ratio
751561364271Waste
2314109LOM @ 4Mt
27
?
92
Cut 3+ & Cut 4+ (Net)
Cut 4+ (HLD)
V27 Dgn
Cut3+ (HLD)
161211LOM @3.5Mt
16%23%27%Rev/Cost Ratio
553937Ore
8.210.29.27.3Stripping Ratio
751561364271Waste
2314109LOM @ 4Mt
27
92
Cut 3+ & Cut 4+ (Net)
Cut 4+ (HLD)
V27 Dgn
Cut3+ (HLD)
161211LOM @3.5Mt
16%23%27%Rev/Cost Ratio
553937Ore
8.19?10.29.27.3Stripping Ratio
751561364271Waste
2314109LOM @ 4Mt
27
?
92
Cut 3+ & Cut 4+ (Net)
Cut 4+ (HLD)
V27 Dgn
Cut3+ (HLD)
161211LOM @3.5Mt
16%23%27%Rev/Cost Ratio
553937Ore
8.210.29.27.3Stripping Ratio
751561364271Waste
2314109LOM @ 4Mt
27
92
Cut 3+ & Cut 4+ (Net)
Cut 4+ (HLD)
V27 Dgn
Cut3+ (HLD)
161211LOM @3.5Mt
16%23%27%Rev/Cost Ratio
553937Ore
104.57/CK&VK
79.48/CKW
Ca 104
$/crt (FSV)
245.5
791.6
Intrinsic Value
(Million US$)
13
50
Bottom Bench
2005
2009
Mineral Resource
202.6112.98
187.6242.26
Cpht(+2#)
CaratsMillion
Tonnes(Million)
104.57/CK&VK
79.48/CKW
Ca 104
$/crt (FSV)
245.5
791.6
Intrinsic Value
(Million US$)
13
50
Bottom Bench
2005
2009
Mineral Resource
202.6112.98
187.6242.26
Cpht(+2#)
CaratsMillion
Tonnes(Million)
K01
K02
K03
• K03 Whittle Pit optimisation results
• LOM – 10 years stand alone
– Ore tons – 12.5Mt– Carats – 3.4M carats– Waste tons – 15.9Mt– Stripping ratio – 1.28– Reserve Grade – 27cpht– Resource grade – 18cpht
K01K02
K03
Version 27 Pit Design
Q1 2010
Q1 2010 Approval
Q1 2010 Approval
Q2 2010(study complete)
Q2 2010(study complete)
Q1 2011 +
Reduced Ramp Widths
Increased Slope Angles
Cut 3+ (“tuck-in”)Whittle shells
Net EffectWhittle Shells
K03 Mining
Planning Road Map
Mining Planning Business Sustainability Program Implementation Plan
Ongoing Review
SAFE, SIMPLE AND EFFECTIVE!
Coarse Tailings
FRD 1
MTP Stores, Services, EMV
Primary Crusher
Air Field
Explosives Magazine
Offices
Prevailing W
ind
Directio
nFRD 2
Access Control & Change House
Twin ShaftComplex
Dumps
K2
K1
K3
K4
Coarse Tailings
FRD 1
MTP Stores, Services, EMV
Primary Crusher
Air Field
Explosives Magazine
Offices
Prevailing W
ind
Directio
nFRD 2
Access Control & Change House
Twin ShaftComplex
Dumps
K2
K1
K3
K4
Coarse Tailings
FRD 1
MTP Stores, Services, EMV
Primary Crusher
Air Field
Explosives Magazine
Offices
Prevailing W
ind
Directio
nFRD 2
Access Control & Change House
Twin ShaftComplex
Dumps
K2
K1
K3
K4
Work Breakdown Structure (WBS)
INPUTSHEETS
Category (Description of work)
Grid reference
PLANNING AND RECONCILITATION WORKSHEETAnnual values:
Annual updated liability = A + B - C
A: Premature closure (opening balance)B: Liability accruals (additional disturbance)C: Planned rehabilitation (liability reductions)
LoM est.Balance Y2Balance Y1Balance
(C) Rehabilitation Y2(C) Rehabilitation Y1-
(B) Liabilityaccrual Y2
(B) Liabilityaccrual Y1+
(A) Premature Y1(A) Premature Y0(A) Premature
Y EndY3, Y4……Y2Y1Y0
SUMMARY SHEET
Roll-up of all sheetsP&G’s
Contingencies
SCOPE
Premature Closure EstimateLOM Closure Estimate
per annum
Quantities (volumes and areas)
Master rates schedule (Cost per unit measurement)
SURVEY AND
RECONCILIATION
Work Breakdown Structure (WBS)
INPUTSHEETS
Category (Description of work)
Grid reference
PLANNING AND RECONCILITATION WORKSHEETAnnual values:
Annual updated liability = A + B - C
A: Premature closure (opening balance)B: Liability accruals (additional disturbance)C: Planned rehabilitation (liability reductions)
LoM est.Balance Y2Balance Y1Balance
(C) Rehabilitation Y2(C) Rehabilitation Y1-
(B) Liabilityaccrual Y2
(B) Liabilityaccrual Y1+
(A) Premature Y1(A) Premature Y0(A) Premature
Y EndY3, Y4……Y2Y1Y0
SUMMARY SHEET
Roll-up of all sheetsP&G’s
Contingencies
SCOPE
Premature Closure EstimateLOM Closure Estimate
per annum
Quantities (volumes and areas)
Master rates schedule (Cost per unit measurement)
SURVEY AND
RECONCILIATION
Work Breakdown Structure (WBS)
INPUTSHEETS
Category (Description of work)
Grid reference
PLANNING AND RECONCILITATION WORKSHEETAnnual values:
Annual updated liability = A + B - C
A: Premature closure (opening balance)B: Liability accruals (additional disturbance)C: Planned rehabilitation (liability reductions)
LoM est.Balance Y2Balance Y1Balance
(C) Rehabilitation Y2(C) Rehabilitation Y1-
(B) Liabilityaccrual Y2
(B) Liabilityaccrual Y1+
(A) Premature Y1(A) Premature Y0(A) Premature
Y EndY3, Y4……Y2Y1Y0
SUMMARY SHEET
Roll-up of all sheetsP&G’s
Contingencies
SCOPE
Premature Closure EstimateLOM Closure Estimate
per annum
Quantities (volumes and areas)
Master rates schedule (Cost per unit measurement)
SURVEY AND
RECONCILIATION
Ongoing rehabilitation
Working ‘smart’
Initial development of infrastructure and project-related disturbance
Additional operational disturbance
MIN
E C
LOSU
RE
Closure liability should NO rehabilitation effort be conducted prior to the cessation of mining operations
CES
SAT
ION
OF
MIN
ING
O
PER
ATIO
NS
Closure liability should ongoing rehabilitation be conducted in line with current mine designs and dumping strategies
Closure liability should ongoing rehabilitation be conducted in addition to improved mine designs and deposition strategies
Time
Liab
ility
Initial development of infrastructure and project-
related disturbance
Initial operational disturbance
with little opportunity for rehabilitation
Operation of mine
Initial operational disturbance
Treatment of stockpiles &rehabilitation effort using ex
mining machinery
Rehabilitation effort post mine closure towards
obtaining closure
certificate
Existing Premature closure estimate in this region
Existing LoM estimate in this region due to incorporation of smart WRD deposition in 2007 closure estimate. This is, however, not currently being implemented
Ongoing rehabilitation
Working ‘smart’
Initial development of infrastructure and project-related disturbance
Additional operational disturbance
MIN
E C
LOSU
RE
Closure liability should NO rehabilitation effort be conducted prior to the cessation of mining operations
CES
SAT
ION
OF
MIN
ING
O
PER
ATIO
NS
Closure liability should ongoing rehabilitation be conducted in line with current mine designs and dumping strategies
Closure liability should ongoing rehabilitation be conducted in addition to improved mine designs and deposition strategies
Time
Liab
ility
Initial development of infrastructure and project-
related disturbance
Initial operational disturbance
with little opportunity for rehabilitation
Operation of mine
Initial operational disturbance
Treatment of stockpiles &rehabilitation effort using ex
mining machinery
Rehabilitation effort post mine closure towards
obtaining closure
certificate
Existing Premature closure estimate in this region
Existing LoM estimate in this region due to incorporation of smart WRD deposition in 2007 closure estimate. This is, however, not currently being implemented
Ongoing rehabilitation
Working ‘smart’
Initial development of infrastructure and project-related disturbance
Additional operational disturbance
MIN
E C
LOSU
RE
Closure liability should NO rehabilitation effort be conducted prior to the cessation of mining operations
CES
SAT
ION
OF
MIN
ING
O
PER
ATIO
NS
Closure liability should ongoing rehabilitation be conducted in line with current mine designs and dumping strategies
Closure liability should ongoing rehabilitation be conducted in addition to improved mine designs and deposition strategies
Time
Liab
ility
Initial development of infrastructure and project-
related disturbance
Initial operational disturbance
with little opportunity for rehabilitation
Operation of mine
Initial operational disturbance
Treatment of stockpiles &rehabilitation effort using ex
mining machinery
Rehabilitation effort post mine closure towards
obtaining closure
certificate
Existing Premature closure estimate in this region
Existing Premature closure estimate in this region
Existing LoM estimate in this region due to incorporation of smart WRD deposition in 2007 closure estimate. This is, however, not currently being implemented
Existing LoM estimate in this region due to incorporation of smart WRD deposition in 2007 closure estimate. This is, however, not currently being implemented
Life of Mine (LoM)
Q2 2010
Q4 2010 +
Q1 2011 +
Baseline Program
Closure Cost EstimationPremature and LoM
Life of Mine ClosureLiability & Provisioning
Rehab & Closure Scope
Rehabilitation and Closure Liability Management Project
Ongoing Review
SAFE, SIMPLE AND EFFECTIVE!
Thank You