1 EXHIBIT 12 Williams Holdings of Delaware, Inc. Computation of Ratio of Earnings to Fixed Charges (Dollars in millions) Three months ended March 31, 1999 ------------------ Earnings: Income before income taxes, extraordinary loss, and change in accounting principle $ 10.6 Add: Interest expense--net 50.2 Rental expense representative of interest factor 10.5 Minority interest in (income) loss of consolidated subsidiaries (3.0) Interest accrued--50% owned company 1.8 Equity losses in less than 50% owned companies 20.2 Other 1.6 ---------- Total earnings as adjusted plus fixed charges $ 91.9 ========== Fixed charges: Interest expense--net $ 50.2 Capitalized interest 8.7 Rental expense representative of interest factor 10.5 Interest accrued--50% owned company 1.8 ---------- Total fixed charges $ 71.2 ========== Ratio of earnings to fixed charges 1.29 ==========