EXHIBIT 12(B)-1 EASTERN GROUP PLC AND SUBSIDIARIES (PREDECESSOR COMPANY) COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (US GAAP BASIS) (L MILLION, EXCEPT RATIOS) PERIOD PERIOD FROM FROM APRIL 1, JANUARY 1998 1, 1998 YEAR ENDED YEAR ENDED THROUGH THROUGH MARCH 31, MARCH 31, MAY 18, MAY 18, 1997 1998 1998 1998 ---------- ---------- ----------- ---------- EARNINGS: Net income/(loss) (90) (38) (21) 16 Add: Minority income 1 0 0 0 Income tax expense 304 189 (5) 35 Fixed charges (see detail below) 140 204 28 79 Less: Interest capitalized (11) 0 0 0 ------- ------- ------- ------- Total earnings 344 355 2 130 ------- ------- ------- ------- FIXED CHARGES: Interest expense 128 202 28 76 Add: Interest capitalized 11 0 0 0 Rentals representative of the interest factor 1 2 0 3 ------- ------- ------- ------- Total fixed charges 140 204 28 79 ------- ------- ------- ------- RATIO OF EARNINGS TO 2.5 1.7 0.1(a) 1.6 FIXED CHARGES ======= ======= ======= ======= (a) For the period from April 1, 1998 through May 18, 1998, fixed charges exceeded earnings by L26 million.