Holpan-Klipdamholpan-Klipdam NN O P O P Botswana Im L
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Corporate Presentation Dr John Bristow March 2008 TSX:RDI JSE:RDI OCTBB:RDIAF Disclaimer… This presentation includes certain statements and other information that may be deemed "forward-looking". Other than statements of historical fact all statements in this presentation that address future production, resource potential, exploration drilling, exploitation activities and events or developments that the Company expects are forward-looking statements. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in the forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, availability of capital and financing, and general economic, market or business conditions. Investors are cautioned that any such statements are not guarantees of future performance and that actual results or developments may differ materially from those projected in the forward-looking statements. For more information on Rockwell, Investors should review Rockwell’s annual Form 20-F filing with the United States Securities and Exchange Commission www.sec.com and the Company's home jurisdiction filings that are available at www.sedar.com. 2 High value producer… Selected examples Jan 2007 -> present 58 carats 110 carats 212 carats D colour I/J colour stone Yellow US$1.55M US$ 555,555 US$2.44M (US$26,676/carat) (US$5,000/carat) (US$11,500/carat) 72.58 carats 96.33 carats Fancy Yellow Fancy Yellow US$919,880 US$950,000 (US$12,674/carat) (US$9,800/carat) 3 “Rarity, Quality and Value” 7.28 carat Flawless Intense Pink Recovered at Holpan Exceptional, record price achieved US $1.054 million (US$145,000/carat) 4 Project localities Zimbabwe Southern Africa Limpopo r e v Ri Holpan-KlipdamHolpan-Klipdam NN o p o p Botswana im L Pretoria SwazilandSwaziland Makoenskloof o Johannesburg Namibia op WouterspanWouterspan ol r Ventersdorp M ve Ri Vaal River Bloemhof RSA LowerLower OrangeOrange Vaal River Orange Douglas Kimberley GalputsGalputs River Bloemfontein Riet Koa Lesotho Prieska River Springbok Valley MiddleMiddle O Springbok ran OrangeOrange ge Riv Saxendrift er 0 300 Niewejaarskraal Kilometres 5 Company overview Established alluvial miner: 3 mines in South Africa Life of Mine: ~14 years at 7 m tonnes per annum (@ current mining rate) Production: US$1,656 per carat (2007 average sales price) Positive cash-flow: FY2008 6-month turnover ~ C$26m THG MORO acquisition being finalized – doubles LOM Pipe-line of new projects (7) 6 Experienced management Dr John Bristow (CEO) – ex-DeBeers Dominique de la Roche (CFO) – corporate & mining experience Jeffrey Brenner (Diamond Marketing & Sales) – rough diamond expert Hennie van Wyk (Operations Director) – experienced alluvial miner Mining & Earth Moving Manager (new appointment) Deon Vermuelen (Manager Metallurgy) – ex-DeBeers Glenn Norton (Mineral Resource Manager) – diamond & coal mining experience 7 Board of Directors David Copeland- Chairperson(mining engineer/ geologist) John Bristow- President & CEO Mark Bristow- CEO Randgold Resources Scott Cousens- Director of Companies Dominique de la Roche- CFO Patrick Bartlett- Independent (diamond geologist) Rene Carrier- Independent Doug Silver- Independent 8 Diamond market dynamics Demand outstripping supply Increasing shortage of high value (+2 carat) diamonds +2carat stones: 7% of world production by volume, 45% by value Strong year on year price increases 9 Rough diamond price increases 2002 - 2007 80 >$1500/ct 70 60 <$20/ct 50 $75/ct 40 30 Percent 20 10 0 Middle Orange Market Average Indian Goods River 10 Benefits of alluvial mining Alluvial mining Kimberlite pipe mining Low capital costs High capex (~US$25 m) (~US$150m) Mobile plant + Fixed plant + equipment equipment Low operating cost High opex (~US$11- (~US$3 per tonne) 15 per tonne) Quick start-up (~3 - 6 Long lead time (+18 months) months) Rapid cash flow 11 Holpan & Klipdam mines R371 R370 To N Warrenton Mines & r e iv R r l Projects e a v a i V R ROCKWELL MINES R370 s t r KLIPDAM a New prospecting rights H Barkly West office Delportshoop HOLPAN R31 R374 Khosopkraal Harrisdale N12 R370 BARKLY WEST Pretoria Johannesburg Figure 1 R31 Figure 2 Kimberley Richards Bloemfontein Bay Durban R64 KIMBERLEY East London Port Elizabeth Cape Town 40 km R357 12 Middle Orange River R313 er Mines and v i R385 N R p Projects e Douglas rights i D r e DOUGLAS v i R357 ROCKWELL MINES R p o MAKOENSKLOOF New prospecting rights o l i o o Reads Drift Bulk Sampling R Lanyon Vale Trans Hex MORO Diamond O r a WOUTERSPAN Valley n g e R iv e Pretoria r Johannesburg Figure 1 Richards Figure 2 Kimberley Bay Bloemfontein Durban R313 40 km R369 R369 PRIESKA East London R357 Port Elizabeth R347 Cape Town 13 Resources (2007 statements) Wouterspan ~77 m tonnes Ave grade: ~0.3 cpht Ave diamond value: US$ 2,146 per carat (2007 ave) Revenue per tonne: US$ 6.30 Holpan + Klipdam ~20 m tonnes Ave grade: ~0.45 cpht Ave diamond value: US$1,217 per carat (2007 ave) Revenue per tonne: US$ 5.50 THG MORO acquisition ~86 m tonnes Ave grade: ~0.43 cpht Ave diamond value: US$1,400 (2005) Reveue per tonne: US$6.00 cpht – carats per 100 tonnes 14 Mines - Wouterspan Resource ~ 77m tonnes Introduced larger earth moving equipment Ave 2007 sales price: US$ 2,146 per carat 15 Mines - Holpan Upgrading screening capacity (2008) Installed additional trommel screen Average 2007 Sales price: US$1,142 per carat 16 Mines - Klipdam New Scrubber commissioned in October 2007 Upgraded & modernized processing plant Average 2007 sales price: US$1,291 per carat 17 2007 Production & carats ~275 000 m3 per month (~ 550 000 tonnes per month) 1 986 carats per month 400,000 2,800.00 2,600.00 350,000 2,400.00 300,000 2,200.00 250,000 2,000.00 200,000 Carats Volumes m3 1,800.00 150,000 1,600.00 100,000 1,400.00 50,000 High rainfall Klipdam upgrade 1,200.00 0 1,000.00 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2007 Volume Total: CaratsTotal: Linear (Volume Total:) Linear (CaratsTotal:) 18 RSA Power-outages Back-up diesel generator-sets installed at all front-end screening plants Doubled capacity of screening plants to maintain large stockpiles; choke-feed treatment plants when running ‘Scheduled’ maintenance undertaken during outages Placed orders for 4 large back-up generator sets to run each operation (total cost ~C$1.5 m; delivery May 2008) Cost implication: +10% to Opex for 80:20 split Eskom:genset 19 Beneficiation & marketing Multi-pronged approach to add value: Manufacturing and marketing agreement with Steinmetz Diamond Group for selected special stones Manufacturing selected goods in the 2 - 5 carat stone size Competitive sealed tender process – benefits: adds a premium Maintains cash flow 20 Beneficiation Add-value Rough Colour Product Add-value 72c Yellow 25c vivid yellow, 10% 4c fancy yellow 212c Yellow 100c intense yellow, At GIA for 23c fancy yellow certification; >20%* 35c Vivid Yellow 2 * 10c matching At GIA for vivid yellows certification; >20%* 96c Fancy In factory * - estimates Yellow 21 Financial highlights – FY2008 Revenue FY 2008 FY 2008 QTR 1 QTR 2 Carats Sold 5231.39 7777.50 Average Selling Price $2532.20 $1581.40 Revenue - Diamond Sales C$14.0 million C$12.1 million GP% 45.27% 34.0% Profit/(Loss) C$0.4 million C$(1.1) million Cash end of Period C$36.6 million C$12.8 million Restricted Cash C$15.5 million C$15.5 million Weighted Shares in Issue 187,131,953 187,816,993 EPS (Cents) 0.23 (0.01) Year-end : 29 Feb 08 22 Financials - Costs COSTS QTR 1 2008 QTR 2 2008 Carats Produced 7805.98 5579.17 Tonnes 1,907,270 1,704,116 Costs – Produced Diamonds C$ 5.7million C$ 9.5million Costs – Amortization and depletion C$ 2.0 million C$ 2.1 million Cost per Tonne (Inc amortization) $4.00 $5.48 Cost per Tonne (Excl amortization) $2.97 $4.21 Cost Per Carat $978 $1364 COST BREAKDOWN Fuel and Oils 27% 31% Maintenance and repairs 30% 23% Salary and wages 24% 28% Drilling and blasting 6% 4% Security 4% 2% Royalties 5% 5% 23 New projects & acquisitions Primary focus - high-value alluvial diamond production eg. MOR area; other producing entities Awarded 6 new prospecting permits in RSA; 4 in MOR area Assessing Kwango River alluvial project in Democratic Republic of Congo (DRC) Concluding Trans Hex MORO acquisition (includes Saxendrift and Niewejaarskraal mines on C+M) Pursuing other acquisition targets (must be value accretive) 24 THG MORO Acquisitions R313 er Mines and v i R385 N R p Projects e i D r e DOUGLAS v i R357 ROCKWELL MINES R p o Makoenskloof New prospecting rights o l i o o WOUTERSPAN Bulk Sampling R Trans Hex MORO O r Saxendrift a n g e Niewejaarskraal R iv e Pretoria r Johannesburg Figure 1 Richards Figure 2 Kimberley Bay Bloemfontein Durban R313 40 km R369 R369 PRIESKA East London R357 Port Elizabeth R347 Cape Town 25 Pro-forma production projection Assumptions 5 to 6 mining operations by end-2011 Trans Hex acquisition doubles resource base Conservative average diamond value Resource Profile Saxendrift Wouterspan Holpan/Klipdam Pro Forma Inferred Resources (million tonnes) 63.8 33.2 20.4 117.4 Indicated Resources (million tonnes) 18.2 43.6 61.8 Grade cpht 0.39 0.31 0.41 0.38* Ave Diamond Value (US$/carat) 1,400 1,783 1,330 1506** *Weighted average ** Assumed long term average price 26 Pro-forma production projection Group Production Profile (Monthly