Twickenham Platinum Mine Presentation to Analysts 5 September 2007 - PowerPoint PPT Presentation

Twickenham Platinum Mine Presentation to Analysts 5 September 2007

Agenda Location � Surface Infrastructure � General Overview � Performance Overview � Community Engagement � World leader in Platinum 2

Twickenham Mine - Location Locality Map Legend Zimbabwe Mining Licences Botswana Mozambique Joint Venture Namibia Prospecting Permits Lonmin PLC Northam Platinum Limited Republic POLOKWANE (PIETERSBURG) POTGIETERSRUST of South Africa Southern Platinum PLATINUMS LIMITED ð Impala Platinum Mines Polokwane Smelter LEBOWA PLATINUM MINES MOKOPANE (POTGIETERSRUS) GA PHASHA JV LIMPOPO AMANDELBULT TWICKENHAM NORTHAM BURGERSFORT MODIKWA BELA BELA (WARMBATHS) Union Smelter ð UNION DER BROCHEN LYDENBURG BAFOKENG/RASIMONE BOOYSENDAL JV STYLDRIFT JV NORTH-WEST RUSTENBURG GAUTENG Wateval Smelter ± ð MPUMALANGA PRETORIA PANDORA JV RUSTENBURG 0 25 50 WITBANK Kilometres World leader in Platinum 3

Twickenham Mine - Location ZEEKOE ZE EKOEGAT GAT DIAMAND DIAMAND Twickenham Mine Lease Area MIDDELPUNT MIDDE UNT UMKOANES UM ANESTA TAD BRA BRAKFO FONT NTEIN KL KLIPFONTEI IPFONTEIN Twickenham Declines PASCH SCHASKRA SKRAAL AL AVO AVOCA Hackney Declines DE KAM DE KAMP SU SURB RBITON ON TWICKE TW KENHA NHAM BALMORAL BALM ORAL HACKNEY HAC NEY World leader in Platinum 4

Twickenham Mine – Surface Infrastructure T COMPRESSOR STATION P o o ESKOM l o SUBSTATION k w a CONCENTRATOR n UPCAST PLANT e VENT REVISED SHAFT ESKOM SERAFA CAMP POWERLINE EARLY S R37 MINING DOWNCAS SEWER TREATMENT PLANT T VENT SHAFT CENTRAL SECURITY COMPLEX TWICKENHAM TWICKENHAM SHAFT INTERSHAFT ROAD AND LEBALELO SHAFT SERVITUDE MOPETSI PIPELINE CAMP MAIN ACCESS ESKOM OVERHEAD ROAD ESKOM JANUS T POWERLINES SUBSTATION SITE o B CLIENTS LAYDOWN CENTRAL u A r GRAVEYARD AREA g OFFICES e r CONTRACTORS s AREA f o LAYDOWN r t AREA TWICKENHAM AIRSTRIP UPCAST VENT SHAFT DOWNCAST VENT HACKNEY HACKNEY SHAFT World leader in Platinum 5 SHAFT SHAFT

Twickenham Mine - General Overview History • Investment proposal approved by AAplc board in September 2001 • Two decline shaft systems and Serafa Hill • 100 000 tons per month from each decline shaft system • 50 000 tons per month from Serafa Hill • Original design • Trackless decline access • Ore removal by means of conveyor • Personnel transport by means of chairlift • Trackless footwall access on the levels • Down dip conventional stoping • Production output planned at 250 000 tons per month • Refined Pt ounces planned at 160 000 per annum • Economics necessitated the review of all expansion projects in Anglo Platinum during second half of 2003 • Decision taken to slow down project development in December 2003 World leader in Platinum 6

Twickenham Mine – General Overview Current Situation • Limited surface infrastructure established • Access roads • Electrical power distribution • Offices at Hackney Shaft • Conveyor installed in decline up to RAW level at Hackney Shaft • Decline portals established and declines advanced to: • Hackney Shaft 760m • Twickenham Shaft 240m • Early mining operation at Hackney Shaft • Planned production output of 20 000 tons per month • Planned to deliver 1300 Pt ounces to concentrator per month • Approx 500 employees • Development of Mining Training Centre East at Twickenham Shaft World leader in Platinum 7

Twickenham Mine - General Overview Planned Future • Feasibility study completed and in internal review process • Project scheduled to be presented to AAplc board for approval in 2008 • Two decline shaft systems • Hackney Shaft • Twickenham Shaft • Each shaft system consists of three barrels located 30m in the footwall • Trackless access • Conveyor belt for ore removal • Chairlift for people transport • Footwall access on levels • Breast stoping • Concentrator constructed on site • Approx 5000 employees World leader in Platinum 8

Twickenham Mine – Performance Overview LTIFR (per 200 000 hours) 1.8 1.6 1.4 1.2 1 LTIFR 0.8 0.6 0.4 0.2 0 2005 2006 2007 World leader in Platinum 9

Twickenham Mine – Performance Overview IMA / IMS Face Length 1400 1200 1000 800 m 600 400 200 0 7 7 7 4 5 6 7 7 7 7 7 7 7 7 7 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - - - - - - - - 0 0 0 0 - - - - n r y n g p t v c b r l 2 2 2 2 p u c a a u o a u e e e J O M A M J J A S N D F IMS FL IMA FL World leader in Platinum 10

Twickenham Mine - Performance Overview Stoping m 2 6000 5000 4000 m 2 3000 2000 1000 0 7 7 7 4 5 6 7 7 7 7 7 7 7 7 7 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - - - - - - - - - - - - r g n y n l p t v c b r 2 2 2 2 u p c a a a u u e o e e J O M A M A N D J F J S • Lack of IMS face length • Disruption related to change of conditions of employment (Fixed Term Contractors to Enrolled) • Services disruptions due to temporary infrastructure World leader in Platinum 11

Twickenham Mine - Performance Overview Tons Delivered to Concentrator Stocks 25000 20000 15000 Tons 10000 5000 0 7 7 7 4 5 6 7 7 7 7 7 7 7 7 7 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - - - - - - - - - 0 0 0 0 - - - r g n b r y n l p t v c 2 2 2 2 p u c a a u o a e u e e A J O M J M J A S N D F • Additional low grade development tons delivered to concentrator to partially offset shortfall from stopes World leader in Platinum 12

Twickenham Mine - Performance Overview Tons Milled 25000 20000 15000 Tons 10000 5000 0 7 7 7 4 5 6 7 7 7 7 7 7 7 7 7 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - - - - 0 0 0 0 - - - - - - - - n r n g v c b r y l p t 2 2 2 2 u c a p a u o a e u e e A J O M M A N D J F J S • Lebowa concentrator able to mill more tons than anticipated World leader in Platinum 13

Twickenham Mine - Performance Overview Stoping Width 100 95 90 cm 85 80 75 7 7 4 5 6 7 7 7 7 7 7 7 7 7 7 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - - - - - - - - - 0 0 0 0 - - - g n b r y n l p t v c r 2 2 2 2 u c a p a u o a e u e e A J O M M A S N D J F J • Increase due to mining in an area where the parting between the TRC and leader 1 has increased • In stope bolting system being developed to address this situation in the future (Qtr 2 2008) World leader in Platinum 14

Twickenham Mine - Performance Overview Pt Ounces in Concentrate 1200 1000 800 Pt Ounces 600 400 200 0 Apr-07 Jun-07 Aug-07 2004 2005 2006 2007 Jan-07 Feb-07 Mar-07 May-07 Jul-07 Sep-07 Oct-07 Nov-07 Dec-07 • Lebowa concentrator able to mill more tons than anticipated World leader in Platinum 15

Twickenham Mine – Community Engagement • Improving relationship with communities and managing their expectations • Recruitment strategy • Social investment • Local procurement • Lease payments • Relocated families •Community engagement structure to be established with representatives from: • Tribal Authorities • Local Government (Political and Administrative) • Mine Representatives World leader in Platinum 16

17 End World leader in Platinum