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Results For The Year Ended 30 June 2011 19 September 2011 Finsch mine, South Africa

Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

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Page 1: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Results For The Year Ended 30 June 2011

19 September 2011

Finsch mine, South Africa

Page 2: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

2

Important Notice

These Presentation Materials do not constitute or form part of any invitation, offer for sale or subscription or any solicitation forany offer to buy or subscribe for any securities in the Company nor shall they or any part of them form the basis of or be reliedupon in any manner or for any purpose whatsoever.

These Presentation Materials must not be used or relied upon for the purpose of making any investment decision or engaging inan investment activity and any decision in connection with a purchase of shares in the Company must be made solely on thebasis of the publicly available information. Accordingly, neither the Company nor its directors makes any representation orwarranty in respect of the contents of the Presentation Materials.

The information contained in the Presentation Materials is subject to amendment, revision and updating in any way without noticeor liability to any party. The presentation materials contain forward-looking statements which involve risk and uncertainties andactual results and developments may differ materially from those expressed or implied by these statements depending on avariety of factors. No representation or warranty, express or implied, is made as to the fairness, accuracy or completeness of theinformation or opinions contained herein, which have not been independently verified.

The delivery of these Presentation Materials shall not at any time or in any circumstance create any implication that there hasbeen no adverse change, or any event reasonably likely to involve any adverse change, in the condition (financial or otherwise) ofthe Company since the date of these Presentation Materials.

The Presentation Materials are confidential and being supplied to you for your own information and may not be reproduced,further distributed, passed on, or the contents otherwise divulged, directly or indirectly, to any other person (except the recipient’sprofessional advisers) or published, in whole or in part, for any purpose whatsoever. The Presentation Materials may not be usedfor the purpose of an offer or solicitation to subscribe for securities by anyone in any jurisdiction.

Page 3: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Building A Leading Diamond Producer

3

Cullinan

July 2008

74% Petra26% BEE Partners

Block Cave

20 Year Mine Plan

Williamson

November 2008

75% Petra25% Government of United Republic of

Tanzania

Open Cast

20 Year Mine Plan

Kimberley UG

May 2010

74% Petra26% BEE Partners

Block Cave

12 Year Mine Plan

Finsch

74% Petra26% BEE Partners

Block Cave

18 Year Mine Plan

Koffiefontein

July 2007

74% Petra26% BEE Partners

Front Cave

20 Year Mine Plan

Petra’s growth path – establishing a reserves and resources base of +300 Mcts worth US$56bn

Successful track record:• Focus on efficiencies: right-size operation, restructure cost base & empower management• Utilise in-house capabilities to execute Capex programmes• Optimise plant processing & security to ensure recovery of full spectrum of diamonds• Achieve best rough diamond prices through open tender system

September 2011

Page 4: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

FY 2011 Highlights

Operations Highlights

• Production of 1,117,795 carats (FY 2010: 1,164,856)

• Expansion plans on target to increase production to ca. 4 million carats by FY 2014 and over 5 million carats by FY 2019

• Sound cost control despite inflationary pressures

• Diamond prices rose steadily from Oct 2010 to highs in June 2011

Corporate Highlights

• Acquisition of Finsch for R1.425 billion (ca. US$192 million) – completed 14 Sep 2011

• Equity fundraising of US$325 million

• US$83 million debt facilities in place with IFC and RMB

4

Finsch mine, South Africa

Page 5: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

FY 2011 Results Snapshot

5

Note: FY 2010 included the sale of the 507 carat Cullinan Heritage diamond for US$35.3 million

Page 6: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

FY 2011 Summary Of Results

6

FY 2011(US$M)

FY 2010(US$M)

Revenue* 220.6 163.7Mining and processing costs (146.9) (98.9)Other direct income 2.7 2.4Profit from mining activity* 76.4 67.2Other income - 5.4Exploration (expense) / income (1.3) 1.2Corporate overhead (8.0) (7.5)Deferred taxation on inventory fair value adjustment - (7.4)Inventory fair value adjustment - (19.0)Cullinan fair value adjustment - 31.0Adjusted EBITDA* 67.1 70.9Net impairment charges and reversals 6.5 -Recycling of foreign exchange differences on exploration projects - 12.3Depreciation & Amortisation (22.4) (12.9)Share based expense (1.9) (1.7)Net unrealised foreign exchange gain* 18.6 0.9Net finance expense* (3.5) (0.5)Tax (expense) / credit (5.2) 1.2Net profit after tax – Group 59.2 70.2EPS – US$ cents* 12.83 22.65

* Refer to announcement dated 19 September 2011 for detailed notes

Page 7: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Operating Cashflows

7

FY 2011(US$M)

FY 2010(US$M)

Group net profit after tax 59.2 70.2

Income tax credit (expense) 5.2 (1.2)

Profit before taxation 64.4 69.0

Adjusted for non cashflow items 3.6 (10.0)

Cash generated before working capital changes 68.0 59.0

Increase in net working capital (15.8) (6.9)

Cash generated from operations 52.2 52.1

Finance expense and taxation (1.6) (3.3)

Net cash generated from operating activities 50.6 48.8

Page 8: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Balance Sheet Snapshot

FY 2011(US$M)

FY 2010(US$M)

Cash and cash equivalents:

Bank 324.9¹ 34.5

Diamond inventories 13.3 15.0

Total 338.2 52.7

Loans, borrowings and deferred consideration:

IFC / RMB debt facilities (ca. US$83m in total) 75.5 nil

Al Rajhi loan (coupon 8%) nil 32.0

Deferred Cullinan consideration (coupon 0%)² 18.7 32.0

Other loans and borrowings (average coupon approx. 10%, incl. ZAR debt) 0.0 0.4

Total 94.2²,³ 112.3

8

¹ Includes US$192 million applied to settle the Finsch acquisition consideration on 14 September 2011² IFRS present value; Al Rajhi deferred consideration of US$20 million due Dec 2011 ³ Does not include BEE loans due to Petra of US$73 million at 30 June 2011; BEE loan relating to Finsch transaction post Period-end of a further US$54 million

Page 9: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

FY 2011 – Operations Results

Operation Cullinan Koffiefontein Kimberley Underground

Fissures Williamson

FY 2011 FY 2010 FY 2011 FY 2010 FY 2011 FY 2010 FY 2011 FY 2010 FY 2011 FY 2010

Sales

Revenue (US$M) 140.2 127.0 30.8 22.8 18.2 n/a 21.8 13.5 9.5 14.4

Diamonds sold (carats) 944,405 903,861 54,640 56,707 54,733 n/a 89,491 72,629 31,555 91,901

Average price per carat (US$) 148 141¹ 564 402 333 n/a 244 185 302 157

ROM Production

Tonnes treated (Mt) 2.3 2.2 0.7 0.9 0.4 0.009 0.2 0.2 n/a 1.3

Grade (cpht) 36.6 38.9 4.9 6.0 12.9 14.9 45.7 42.0 n/a 6.3

Diamonds recovered (carats) 851,193 841,293 35,139 53,026 57,402 1,362 83,876 70,950 n/a 84,241

Tailings / Alluvial

Tonnes treated (Mt) 0.6 0.2 0.7 0.2 n/a n/a 0.05 0.03 0.5 0.4

Grade (cpht) 7.7 34.9 1.9 3.0 n/a n/a 6.9 10.7 5.6 4.0

Diamonds recovered (carats) 44,246 86,638 12,817 7,234 n/a n/a 3,612 3,282 29,510 16,830

Total Production

Tonnes treated (Mt) 2.9 2.4 1.4 1.1 0.4 0.009 0.2 0.2 0.5 1.8

Diamonds recovered (carats) 895,439 927,931 47,956 60,260 57,402 1,362 87,488 74,232 29,510 101,071

9¹ US$101 excluding the sale of the Cullinan Heritage diamond for US$35 million

Page 10: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Costs & Capex

10

¹ Cost break-down for Williamson n/a as costs have been capitalised during the bulk sampling phase in FY 2010 andduring the plant rebuild project in FY 2011

² Total Group Capex of US$110.7 million includes US$11.0 million relating to work in progress at the Group’s projectsdivision

Operation Cullinan Koffiefontein Kimberley Underground

Fissures Williamson

FY 2011 FY 2010 FY 2011 FY 2010 FY 2011 FY 2010 FY 2011 FY 2010 FY 2011 FY 2010

Costs

On-mine cash cost per tonne treated (ZAR)

164 167 115 123 191 n/a 684 669 n/a n/a

Cost Breakdown

% Labour 43.9 46.4 40.0 40.9 45.8 n/a 60.4 60.7 n/a n/a

% Stores 33.7 34.1 39.0 43.0 31.9 n/a 23.0 23.3 n/a n/a

% Power 13.9 16.1 13.5 12.8 11.5 n/a 10.3 9.3 n/a n/a

% Other 8.5 3.4 7.5 3.3 10.8 n/a 6.3 6.7 n/a n/a

Capex

Capex (US$M) 33.9 20.4 11.0 4.6 13.0 10.2 5.2 2.5 36.6 11.6

Page 11: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Safety Performance

• Health and safety of employees is top priority for management• Formation of Board level HSSE Committee post year-end• January 2011 – regrettable fatality occurred at Koffiefontein • Petra striving for zero harm across its operations

11

Page 12: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Diamond Market – Strong Fundamentals

12

• Strong market in FY 2011 underscored by firm retail demand (both new & established markets)• Rough prices in all categories rose substantially but small gem diamonds saw exceptional

growth – trend towards higher content in jewellery & luxury goods (e.g. eternity wedding rings, watches, pens etc)

• Recent economic uncertainty has led to adjustment in rough diamond prices off recent highs• Demand remains strong – positive results from bellwether retailers Tiffany’s & Signet• Long term picture remains same – growing demand and limited supply

Emerging Deficit

Source: Deutsche Bank, April 2011

Supply Constraints

Source: RBC Capital Markets, September 2011

World Production (MM cts)

0

20

40

60

80

100

120

140

160

180

200

2005A 2006A 2007A 2008A 2009A 2010E 2011E 2012E 2013E 2014E 2015E 2016E 2017E

MM

ct

Angola Australia Botswana Canada DRC Namibia Russia South Africa Zimbabwe Other Countries

Page 13: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Diamond Market – Key Drivers

• Urbanisation trend – by 2025: 221 Chinese cities with +1m population (vs 107 cities in Europe, Japan, US combined)

• Diamond engagement ring trend rising in urban centres in China and India: +11m marriages in China pa; +10m in India pa

• Diamond consumption per capita in emerging regions currently far below mature markets

• Far East (China, Hong Kong, Taiwan, India & the Gulf) expected to eventually account for ca. 40% of global demand by 2015

13

China DER Acquisition Rate China’s Polished Diamond Imports

Source: Shanghai Diamond ExchangeSource: De Beers – ‘DER’ : diamond engagement ring

Page 14: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Diamond Prices

Mine Average price for H2 FY 2011

(US$)

Average price for H1 FY 2011

(US$)

Average price for FY 2011(US$)

Average price for FY 2010

(US$)

Cullinan 178 120 148 141(101 excluding the Cullinan Heritage)

Koffiefontein 756 470 564 402Kimberley Underground 355 285 333 n/a

Fissures 289 192 244 185Williamson 314 264 302 157* Prices given are the average of ROM and tailings as Petra tenders mine production on a mixed parcel basis

14

Management is using the following per carat prices in calculating the value of the Groups reserves and resources base, as well as for FY 2012 pricing assumptions:

Mine Weighted Average(US$)

ROM(US$)

Tailings / Other(US$)

Cullinan 163 170 100Koffiefontein 549 600 480 – Ebenhaezer

200 – TailingsKimberley Underground 325 325 150Fissures 271 180 – 450 n/aWilliamson – Main Pit 230 230 n/aFinsch 155 180 95

Actual tender prices:

Page 15: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

15

Production & Revenue Split – FY 2011 & Projected FY 2019 Gross Production

FY 2011: 1.1 million carats

Gross Revenue

FY 2011: US$221 million

FY 2019: 5.4 million carats FY 2019: US$1,294 million*

* Calculated using a 4% real price increaseFY 2019 figures are management estimates

Page 16: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Cullinan – Mining Overview

16

Cullinan Mining Schematic

BA5

Rock Shaft

Men & MaterialShaft

Current Shaft Bottom580 Level

630m Level

AUC South and BAW Phase 1

BB1E

830m Level

1073m base of Resource(open ended at depth)

930m Shaft Bottom

Current Infrastructure

Planned Infrastructure

C-CUTPhase 1

2000metres

Current extent of South Decline

16Ha @830 Level

Loading Level

880m Shaft Bottom

CurrentShaft Bottom805 Level

732m Level

Expansion Plan – Key Components• South Decline to establish

production at 830m and then on to the bottom of the new shaft at 930m – end FY 2012 (breakaway already established at 830m)

• Contract for shaft deepening & related infrastructure to be awarded imminently

• Development of North Decline to create further access to 830m production level - commencing Q3 FY 2012

• Shaft deepening from 580m to 930m to replace the current conveyor belt ore-handling system – mid FY 2015

• Production from new cave –commencing during FY 2015

• Upgrading and streamlining of plant facilities in order to treat 4Mt underground & 4Mt tailings – from FY 2015, 4 year ongoing programme

Page 17: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

17

• Acquisition of Finsch completed 14 September 2011

• Will add ca. 1 Mct for FY 2012

• State-of-the-art infrastructure & modern plant

• Resource of 43.3 Mcts, incl. 25.8 Mctsreserves & 2.5 Mcts tailings

• Petra to operate Finsch at 1.5 Mcts pa initially, rising to ~2 Mcts pa

• Fully staffed going concern – increases the Petra skills pool across the Group

• First-rate safety record & well managed environmental programme

Finsch – A New Flagship Asset

Page 18: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Vent Shaft

ProductionShaft

630m Level670m Level

770m Level

Shaft Bottom825m

880m Block Cave

950mDecline to 880m

SLC Conveyor

Ore Handling

Sub level Cave

Block 4 Pillars

Block 4 Remaining

Block 5Not in

currentmine plan

Precursor SLC

Finsch – Mining Overview

18

Kimberlite Footprint @880m Level:Main pipe: 3.7haPrecursors: 1.5ha

Finsch Mining Schematic

Current Infrastructure

Planned Infrastructure

Expansion Plan – Key Components

• Mining currently taking place in Block 4 at 630m – FY 2012

• Treatment of Pre 1979 Tailings – until FY 2015

• Accessing and development of Precursor SLC at 630m –FY 2013

• Development of Sub Level Cave at 770m – FY 2013

• Production from Block 5 at 880m – FY 2014 onwards

• Treatment of Post 1979 Tailings – FY 2015 to FY 2020

• Deepening of shaft to 950m and ore-handling infrastructure on 880m Level – End FY 2015

• Ramp up ROM to 3.5 Mpta –FY 2018

880m base of Resource(open ended at depth)

Page 19: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Exceptional Organic Growth Profile

19All forecasts are management estimates

Page 20: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Focus & Outlook

20

Cullinan mine, South AfricaProduction

• Successful integration of Finsch brings step-change in production for FY 2012

• Managing ROM grades at Cullinan and roll-out of 1Mt tailings operation in FY 2012

• Ramp-up production at Kimberley Underground – full year from Joint Shaft and commencement of treatment at Wesselton

• Start-up of production at Williamson (Q3 FY 2012)

Expansion Plans

• Continue to strengthen mine management teams and internal skills set

Main Market step-up expected by December 2011

• Petra targeting inclusion in FTSE 250

• Appointment of independent Non-Executive Directors expected to be announced in the near future

Diamond market outlook

• Some short-term volatility due to current financial / capital markets uncertainty

• Medium to long-term fundamentals still firmly in place

• Petra’s strong growth will maximise leverage to anticipated supply deficit

Page 21: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Thank You

Finsch mine, South Africa

Page 22: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Capital Structure

22

High Quality Shareholder Base 16 Sep 2011

Al Rajhi Holdings W.W.L. 13.3%

Saad Investments Company Ltd/AWAL Bank 12.2%

JP Morgan Asset Management (UK) Ltd 8.6%

Capital Group International, Inc. 7.3%

Scottish Widows Investment Partnership 6.4%

BlackRock Investment (UK) Ltd 4.2%

M&G Investments 3.6%

T. Rowe Price 3.3%

Kames Capital 3.3%

Ignis Investment Services Limited 3.0%

Directors 2.8%

Listing AIM: PDL

Average daily trading volume (shares) – 2011 YTD

1.6m

Shares in issue 499m

Free float 71.7%

Market cap @ 124p (16 September 2011)

£620m

Share Price Chart

Page 23: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

The Petra Board

23

Adonis PouroulisChairman

Johan DippenaarCEO

David AberyFinance Director

Jim DavidsonTechnical Director

Successful mining entrepreneur

Founded Petra Diamonds in 1997 and floated first diamond company on AIM

Along with fellow directors, built Petra into pan-African diamond group with over 3,600 employees

Instrumental in raising funds to help finance and structure early stage mining companies in Africa

One of South Africa’s most successful diamond entrepreneurs with 20 years’ experience

Founded diamond group in 1990 and grew portfolio to 3 producing mines before listing as Crown Diamonds on ASX

Merger with Petra in 2005 –now at helm of London’s largest diamond company

Extensive experience as Chief Financial Officer in South African and UK business environments

In-depth knowledge of London capital markets

Integral to structuring and deliverance of strategic group corporate development, including acquisitions and joint ventures

Acknowledged world authority on kimberlite geology and exploration

Over 20 years’ experience in mine management

Formerly Head of Diamond Exploration for Rio Tinto across Southern Africa

As Technical Director of Crown Diamonds, managed specialist underground fissure mines over a decade

Page 24: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

World-Class Reserves & Resources

24

23.6

8.0

2.3

2.1

0.8

5.7

Cullinan

Williamson

Koffiefontein

Kimberley

Fissures

Finsch

Gross Carat Base – 309.1Mcts Gross In-Situ Value – US$56bn*

203.3

40.0

5.7

7.5 4.6

48.1

Cullinan

Williamson

Koffiefontein

Kimberley

Fissures

Finsch

* Internal estimate calculated by reference to the average tender prices achieved during the second half FY 2011 and management’s forecast per carat value for Finsch

Page 25: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

25

A Diversified Production Portfolio

Production

South Africa • Cullinan

• Koffiefontein

• Kimberley Underground

• Finsch

• Fissures

• Helam

• Sedibeng

• Star

Tanzania • Williamson

Finsch

Cape Town

Western Cape

Eastern Cape

Northern Cape

South Africa

Free State

KwaZulu‐Natal

Gauteng

JohannesburgNorth West Province

Limpopo

Mpumalanga Cullinan

Star

Helam

Sedibeng

Kimberley

Koffiefontein

Durban

Williamson

Page 26: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Williamson – Mining Overview

26

Granite BrecciaRVKBoumaShale IslandBVKPK

Geology

205m

LOM Pit Shell

Schematic showing cut-away geology and planned open pit

N1km

Williamson Kimberlite Pipe SchematicExpansion Plan – Key Components

• Stockpile (due to pit shaping activities) of ca. 900,000 t (ca. 50,000 cts)

• Enhanced rebuild of existing plant (3 Mtpa) near completion –expected to be in production Q3 FY 2012

• Standby power to be made available at site due to recent power issues – Q3 FY 2012

• Construction of new plant including autogenous mill – FY 2013

• Expansion plan to enable a 10 Mtpa operation –New timing tbc

Page 27: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Koffiefontein – Mining Overview

27

Koffiefontein Kimberlite Pipe SchematicExpansion Plan – Key Components

• Installing new front cave at 590m Level –FY 2013

• Installing new block cave at 690m Level –FY 2016

• Tailings programme now ramped up with Petra processing +0.5 Mtpa

Page 28: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Kimberley Underground – Mining Overview

4.5 ha @ 870m Level

0.5 ha @ 845m Level

3.5 ha @ 995m Level

Kimberley Underground Kimberlite Pipes SchematicExpansion Plan – Key Components

• Bedding down Joint Shaft Plant after initial commissioning issues

• Constructing and commissioning of mobile pan plant (40,000 tpm) at Wesselton –September 2011

• Constructing and commissioning of main plant (40,000 tpm) at Wesselton – April 2012

• Underground development – FY2012 onwards

• Sampling programme underway to extend mine life – FY 2012 onwards

28

Page 29: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Aim Of Expansion Programmes – Undiluted Ore

29

Virgin kimberlite ore

Production level

Undercut level

Drawpoints

Loaders

Haulage

Undiluted ore

Schematic - block cave mining method

• Current mining at underground pipe mines taking place in diluted mature caves and low grade remnants

• Expansion programmes will open up fresh block caves, delivering undiluted ore in higher grade areas

• Substantial higher revenue per tonne leading to increased margins

Page 30: Finsch mine, South Africa - Petra Diamonds · Diamond Market – Strong Fundamentals 12 • Strong market in FY 2011 underscored by firm retail demand (both new & established markets)

Capex Profile

30

Financial Year 2012 2013 2014 2015 2016 2017 2018 2019Operation Area

Finsch Existing Block 4 (630 meter Level)‐ Block 4 pillars‐ SLC Block 4 precursor‐ SLC 770 meter Level‐ Block 5 880 meter Level Development tonnes ROM Tonnes (Mt) 2.2  3.2  3.2  3.2  3.5  3.5  3.5  3.5 Tailings Tonnes (Mt) 1.6  2.8  3.5  3.5  3.5  3.0  3.0  3.0 Expansion Capex (US$m) 34.2  107.8  110.4  65.4  29.9  ‐ ‐ ‐Stay‐in‐business Capex (US$m) 4.7  6.6  6.9  6.9  7.1  6.8  6.8  6.9 

Cullinan ROM Tonnes (Mt) 2.4  2.4  2.4  2.6  2.6  2.8  3.2  4.0 Tailings Tonnes (Mt) 1.0  3.0  4.0  4.0  4.0  4.0  4.0  4.0 Expansion Capex (US$m) 60.9  78.5  74.8  52.6  20.7  19.0  19.0  19.0 Stay‐in‐business Capex (US$m) 4.2  8.6  6.9  7.0  6.1  6.1  6.1  6.3 

Williamson ROM Tonnes (Mt) 0.9  5.1  10.0  10.0  10.0  10.0  10.0  10.0 Expansion Capex (US$m) 45.9  35.3  ‐ ‐ ‐ ‐ ‐ ‐Stay‐in‐business Capex (US$m) 4.3  6.2  6.5  6.2  5.9  5.6  5.3  5.0 

Koffiefontein ROM Tonnes (Mt) 0.6  0.8  1.0  1.1  1.2  1.2  1.2  1.2 Tailings Tonnes (Mt) 0.9  0.9  0.7  0.6  0.5  0.5  0.5  0.5 Expansion Capex (US$m) 7.5  8.5  9.2  5.9  8.9  ‐ ‐ ‐Stay‐in‐business Capex (US$m) 4.0  4.2  4.3  2.8  2.6  2.5  2.5  2.4 

Kimberley U/G ROM Tonnes (Mt) 1.1  1.2  1.0  1.0  1.0  1.0  1.0  1.0 Expansion Capex (US$m) 17.9  9.6  7.4  ‐ ‐ ‐ ‐ ‐Stay‐in‐business Capex (US$m) 3.0  2.9  2.4  2.4  2.3  2.3  2.2  1.7 

Fissures ROM Tonnes (Mt) 0.2  0.3  0.3  0.3  0.3  0.3  0.3  0.3 Tailings Tonnes (Mt) ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐Expansion Capex (US$m) ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐Stay‐in‐business Capex (US$m) 2.1  2.1  2.1  2.0  1.9  1.9  1.9  1.8 

Petra Diamonds(Gross)

ROM Tonnes (Mt) 7.4  12.9  17.9  18.2  18.6  18.8  19.2  20.0 Expansion Capex (US$m) 166.5  239.7  201.7  123.9  59.5  19.0  19.0  19.0 Stay‐in‐business Capex (US$m) 22.3  30.6  29.1  27.2  25.9  25.2  24.9  24.1 

1. All monetary values stated in 2011 money terms; ZAR:USD rate used: R6.75

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Petra DiamondsCathy Malins

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