1 Exhibit 12 Williams Holdings of Delaware, Inc. Computation of Ratio of Earnings to Fixed Charges (Dollars in millions) Nine months ended September 30, 1998 ------------------ Earnings: Income before income taxes $ 58.9 Add: Interest expense - net 92.9 Rental expense representative of interest factor 16.2 Minority interest in income of consolidated subsidiaries 5.5 Other 18.0 ------- Total earnings as adjusted plus fixed charges $ 191.5 ======= Fixed charges: Interest expense - net $ 92.9 Capitalized interest 25.4 Rental expense representative of interest factor 16.2 ------- Total fixed charges $ 134.5 ======= Ratio of earnings to fixed charges 1.42 =======