EXHIBIT 99.0 WASHINGTON GAS LIGHT COMPANY AND SUBSIDIARIES Computation of Ratio of Earnings to Fixed Charges Twelve Months Ended December 31, 1996 (Unaudited) (Dollars in Thousands) FIXED CHARGES: Interest Expense .............................................. $ 31,187 Amortization of Debt Premium, Discount and Expense ............ 276 Interest Component of Rentals ................................. 64 --------- Total Fixed Charges .................................. $ 31,527 ========= EARNINGS: Net Income .................................................... $ 80,674 Add: Income Taxes Applicable to Operating Income ................. 47,574 Income Taxes Applicable to Other Income (Loss) - Net ........ (132) Total Fixed Charges ....................................... 31,527 --------- Total Earnings ................................................ $ 159,643 ========= Ratio of Earnings to Fixed Charges ............................ 5.1 =========