1 EXHIBIT 99.0 WASHINGTON GAS LIGHT COMPANY AND SUBSIDIARIES Computation of Ratio of Earnings to Fixed Charges Twelve Months Ended March 31, 1997 ------------------------------------------------- (Unaudited) (Dollars in Thousands) FIXED CHARGES: Interest Expense ................................................ $ 32,345 Amortization of Debt Premium, Discount and Expense .............. 284 Interest Component of Rentals ................................... 64 -------- Total Fixed Charges ................................ $ 32,693 ======== EARNINGS: Net Income....................................................... $ 72,910 Add: Income Taxes Applicable to Operating Income ................ 41,680 Income Taxes Applicable to Other Income (Loss) - Net ....... 887 Total Fixed Charges ........................................ 32,693 -------- Total Earnings ............................................... $148,170 ======== Ratio of Earnings to Fixed Charges ........................... 4.5 ========