1 EXHIBIT 12 Williams Holdings of Delaware, Inc. Computation of Ratio of Earnings to Fixed Charges (Dollars in millions) Three months ended March 31, 1997 ------------------ Earnings: Income before income taxes $ 74.2 Add: Interest expense - net 12.9 Rental expense representative of interest factor 2.0 Other .2 -------- Total earnings as adjusted plus fixed charges $ 89.3 ======== Fixed charges: Interest expense - net $ 12.9 Capitalized interest 1.2 Rental expense representative of interest factor 2.0 -------- Total fixed charges $ 16.1 ======== Ratio of earnings to fixed charges 5.55 ========