KEY DATES

Key Event

• Request for Proposals Issued
• Development Proposal Submission
• Effective Date of UAN PWPA
• UAN PWPA Closing Date
• Signing Date
• Notice to Proceed to EPC Contract to
• Financial Closing Date
• Extension of Old Existing Assets TO 31 December 2010
• Completion of Gas Turbines 1-3
• Integration of UAN West B Assets
• Project Commercial Operation Date
• True Up Drawing Date/Equity Subscription Date
• First payment of Long Term Debt principle
• Extension of Old Existing Assets TO 31 December 2015