1 EXHIBIT 12 WILLIAMS HOLDINGS OF DELAWARE, INC. AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (Dollars in millions) Years Ended December 31, ----------------------------------------------------- 1998 1997 1996 1995 1994 -------- -------- -------- -------- -------- Earnings: Income from continuing operations before extraordinary loss and income taxes $ 4.6 $ 455.1 $ 529.6 $ 372.3 $ 258.4 Add: Interest expense-net 155.3 113.2 89.3 89.5 74.6 Rental expense representative of interest factor 26.0 20.2 11.9 18.7 11.0 Preferred dividends of subsidiaries -- -- -- 5.4 -- Minority interest (income) loss of consolidated subsidiaries (12.0) 18.2 1.4 2.3 1.6 Interest accrued--50% owned company 6.1 -- -- -- -- Other 16.5 (.4) 3.3 3.1 3.3 -------- -------- -------- -------- -------- Total earnings as adjusted plus fixed charges $ 196.5 $ 606.3 $ 635.5 $ 491.3 $ 348.9 ======== ======== ======== ======== ======== Combined fixed charges: Interest expense-net $ 155.3 $ 113.2 $ 89.3 $ 89.5 $ 74.6 Capitalized interest 26.6 19.3 4.8 11.5 4.7 Rental expense representative of interest factor 26.0 20.2 11.9 18.7 11.0 Pretax effect of dividends on preferred stock of subsidiaries -- -- -- 7.7 -- Interest accrued--50% owned company 6.1 -- -- -- -- -------- -------- -------- -------- -------- Total fixed charges $ 214.0 $ 152.7 $ 106.0 $ 127.4 $ 90.3 ======== ======== ======== ======== ======== Ratio of earnings to fixed charges -- (1) 3.97 6.00 3.86 3.86 ======== ======== ======== ======== ======== (1) Earnings were insufficient to cover fixed charges by approximately $17.5 million for the year ended December 31, 1998.