1 Exhibit 12 Williams Holdings of Delaware, Inc. Computation of Ratio of Earnings to Fixed Charges (Dollars in millions) Six months ended June 30, 1997 ---------------- Earnings: Income before income taxes $ 180.8 Add: Interest expense - net 27.5 Rental expense representative of interest factor 4.0 Other (.6) --------- Total earnings as adjusted plus fixed charges $ 211.7 ========= Fixed charges: Interest expense - net $ 27.5 Capitalized interest 4.1 Rental expense representative of interest factor 4.0 --------- Total fixed charges $ 35.6 ========= Ratio of earnings to fixed charges 5.95 =========