1 Exhibit 12 Williams Holdings of Delaware, Inc. Computation of Ratio of Earnings to Fixed Charges (Dollars in millions) Six months ended June 30, 1998 ---------------- Earnings: Income before income taxes and extraordinary loss $ 58.0 Add: Interest expense - net 58.9 Rental expense representative of interest factor 11.1 Minority interest in income of consolidated subsidiaries 5.6 Other 4.5 ------------ Total earnings as adjusted plus fixed charges $ 138.1 ============ Fixed charges: Interest expense - net $ 58.9 Capitalized interest 14.2 Rental expense representative of interest factor 11.1 ------------ Total fixed charges $ 84.2 ============ Ratio of earnings to fixed charges 1.64 ============