Investor Presentaiton

CPN (THB mn) Debt Analysis Low finance cost and strong credit rating Finance cost and average cost of debt YE17 Outstanding Debt Breakdown Short-term bond 20% 900 6% 813 800 Short-term 677 5% loan 700 633 4% -43% YoY 9,529 600 509 -52% YoY 4% 4.25% Long-term loan THB mn Long-term bond 70% 500 3.89% 364 3% 6% 400 3.47% 3.23% 3.15% 300 2.81% 2.63% 2.79% 2% 200 132 1% 97 100 64 Fixed 100% 0 0% 2013 2014 2015 2016 2017 Interest expenses 4Q16 3Q17 4Q17 RS: Weighted average cost of debt 9,529 THB mn TRIS AA RATING Corporate credit Senior unsecured debenture Credit Rating Stable Rating Outlook Note: Weighted average interest rate was derived from interest expenses including interest capitalization for projects under development. All borrowings at denominated in THB Prepared by CPN Investor Relations Appendices Page 40

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