EXHIBIT 11 EQUISTAR CHEMICALS, LP STATEMENT SETTING FORTH DETAIL FOR COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES - UNAUDITED (Millions of Dollars) One Month Year Year Ended Ended Ended December 31, December 31, December 31, 1997 1998 1998 (historical) (historical) (pro forma) ____________ ____________ _________ Income from operations before income taxes $ 7 $143 $154 Fixed charges: Interest expense, gross $10 $156 $186 Portion of rentals repre- sentative of interest $ 4 $ 37 $ 38 ___________ ___________ _________ Total fixed charges $14 $193 $224 ___________ ___________ _________ Earnings $21 $336 $378 Ratio of earnings to fixed charges 1.5 1.7 1.7 EQUISTAR CHEMICALS, LP STATEMENT SETTING FORTH DETAIL FOR COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES - UNAUDITED LYONDELL CONTRIBUTED BUSINESS (Millions of Dollars) Eleven Months Ended Year Ended November 30, December 31, ___________ ____________________ 1997 1996 1995 1994 ___________ ____ ____ ____ Historical Information Income from operations before income taxes $ 219 $ 102 $ 277 $ 137 Fixed charges: Interest expense, gross $ 50 $ 65 $ 76 $ 73 Portion of rentals repre- sentative of interest $ 14 $ 15 $ 13 $ 10 Total fixed charges $ 64 $ 80 $ 89 $ 83 Earnings $ 283 $ 182 $ 366 $ 220 Ratio of earnings to fixed charges 4.4 2.3 4.1 2.7 EQUISTAR CHEMICALS, LP STATEMENT SETTING FORTH DETAIL FOR COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES - UNAUDITED MILLENNIUM CONTRIBUTED BUSINESS (Millions of Dollars) Eleven Months Ended Year Ended November 30, December 31, ___________ ____________________ 1997 1996 1995 1994 ___________ ____ ____ ____ Historical Information Income from operations before income taxes $ 147 $ 92 $ 243 $ 68 Fixed charges: Interest expense, gross $ 66 $ 80 $ 80 $ 80 Portion of rentals repre- sentative of interest $ 13 $ 15 $ 14 $ 13 Total fixed charges $ 79 $ 95 $ 94 $ 93 Earnings $ 226 $ 187 $ 337 $ 161 Ratio of earnings to fixed charges 2.9 2.0 3.6 1.7