1 Exhibit 12 Williams Holdings of Delaware, Inc. Computation of Ratio of Earnings to Fixed Charges (Dollars in millions) Nine months ended September 30, 1997 ------------------ Earnings: Income before income taxes $ 231.1 Add: Interest expense - net 44.3 Rental expense representative of interest factor 6.8 Minority interest in income of consolidated subsidiaries 9.5 Other (1.4) -------- Total earnings as adjusted plus fixed charges $ 290.3 ======== Fixed charges: Interest expense - net $ 44.3 Capitalized interest 7.1 Rental expense representative of interest factor 6.8 -------- Total fixed charges $ 58.2 ======== Ratio of earnings to fixed charges 4.99 ========