1 EXHIBIT 12 Williams Holdings of Delaware, Inc. Computation of Ratio of Earnings to Fixed Charges (Dollars in millions) Three months ended March 31, 1998 ------------------ Earnings: Income before extraordinary loss and income taxes $ 17.3 Add: Interest expense - net 26.9 Rental expense representative of interest factor 5.5 Minority interest in income of consolidated subsidiaries 2.3 Other (1.3) ------ Total earnings as adjusted plus fixed charges $ 50.7 ====== Fixed charges: Interest expense - net $ 26.9 Capitalized interest 7.4 Rental expense representative of interest factor 5.5 ------ Total fixed charges $ 39.8 ====== Ratio of earnings to fixed charges 1.27 ======