EXHIBIT 12.1 SEMPRA ENERGY COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS (Dollars in millions) 1995 1996 1997 1998 1999 -------- -------- -------- -------- -------- Fixed Charges and Preferred Stock Dividends: Interest $ 227 $ 205 $ 209 $ 210 $ 233 Interest Portion of Annual Rentals 32 28 25 20 10 Preferred dividends of subsidiaries (1) 50 37 31 18 16 -------- -------- -------- -------- -------- Total Fixed Charges and Preferred Stock Dividends For Purpose of Ratio $ 309 $ 270 $ 265 $ 248 $ 259 ======== ======== ======== ======== ======== Earnings: Pretax income from continuing operations $ 665 $ 727 $ 733 $ 432 $ 573 Add: Fixed charges (from above) 309 270 265 248 259 Less: Fixed charges capitalized 6 5 3 3 5 -------- -------- -------- -------- -------- Fixed charges net of capitalized charges 303 265 262 245 254 -------- -------- -------- -------- -------- Total Earnings for Purpose of Ratio $ 968 $ 992 $ 995 $ 677 $ 827 ======== ======== ======== ======== ======== Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends 3.13 3.67 3.75 2.73 3.19 ======== ======== ======== ======== ======== (1) In computing this ratio, "Preferred dividends of subsidiaries" represents the before-tax earnings necessary to pay such dividends, computed at the effective tax rates for the applicable periods.