Ratio Values for Different Risk Classes of Corporate Debt' EBITA/ EBITA (FFO Average operating EBITA Interest IntExp) Debt/ Debt/Book Assets Margin Margin Expense Flow/Net CAPEX/ Revenue ntExp EBITDA capitalization FFo/Debt Depreciation Volatility 20.9% 22.0% 25.1% 28.90 25.43 57.9% 19.3% 133.5% 1.30 11.21 15.6% 17.1% 19.9% 15.10 14.34 202.6% 50.2% 38.5% 0.31 13.8% 17.6% 18.79% 9.69 10.58 183.1% 38.6% 11.44 42.5% 0.36 10.9% 14.1% 15,9% 5.86 7.07 258.1% 46.2% 29.6% 0.26 12.68 9.1% 11.2% 11.99% 3.49 4.83 340.9% 51.7% 20.6% 0.21 15.18 1.18 7.1% 8.9% 10.19% 1.67 2.79 526.2% 72.0% 12.0% 0.11 15.01 1.10 c....... 4.096 4.196 5.1% 0.60 1.36 834.6% 98.0% 0.66 13,71 3.1% Table reports 2013 median values: from Moody's Financial Metrics Key Ratios By Rating And Industry For North American Non-Financial Corporations December 2013 (Excel Data Supplement) EBITA/Average Assets EBITA/Average of Current and Previous Year Assets Eentwinterest Expense EBITAMnterest Expense EBITA/Net Revenue EBITA Margin Operating Profit/Net Revenue Operating Margin (FFo. Interest Exp Mnterest Exp (Funds From Operations Interest Expenseyinterest Expense Funds From Operations/IShort Term Debt Long-Term Debt) (FFo-Preferred Dividends Common Dividends Minority Dividendsyshort-Term Debt Long Term Debt (Short Term Debt Long-Term DebtyEBmDA (Short Term Debt Long-Term Debtorshort-Torm Debt Long-Term Debt Deferred Taxes Minorty interest Book Debt/Book Capitalization Capital e ion Expense Average revenue over five years divided the standard deviation of revenue for that same period CAPEWDepreciation Exp Revenue Volatility where: EBITA Earnings from continuing operations before interest, taxes, and amortization and amortization EBITDA Earnings from continuing operations before interest and taxes, depreciation, income from continuing operations plus depreciation, amortization, deferred income taxes, and other noncash items FFO Net