Investor Presentaiton

Counterparties in Bi-Lateral Capex Facility Total Debt Financing - $2,298MM 2009-2011YTD (US$MM 315 800 600 285 2009 2010 2011 298 2010-2011 ■Limited Recourse Lines Bond Bank Loan Delta Dunia Bank/Counterparty KOMATSU ORIX CAT Financial HITACHI MUFG Financing Details Signing Date: March 22, 2010 Approved line: US$80MM (increased to US$125MM on August 18, 2010 and further increased to US$150MM on March 7, 2011) Amortization: Straight line basis over 4 years and over 7 years for larger equipment Signing Date: September 22, 2010 Approved line: US$2MM Amortization: Straight line basis over 4 years Signing Date: February 8, 2011 Approved line: US$45MM (based on each Offer Lease and Acceptance) Amortization: Straight line basis over 6 years Signing Date: February 18, 2011 Approved line: US$32MM Amortization: Straight line basis over 7 years Signing Date: June 24, 2011 Approved line: US$ 32.5 MM Amortization: Straight line basis over 4 years CIMB NIAGA Signing Date: August 24, 2011 Approved line: US$25MM Amortization: Straight line basis over 9 years 21

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