Exhibit 12 LYONDELL CHEMICAL COMPANY STATEMENT SETTING FORTH DETAIL FOR COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (Millions of dollars) Year Ended December 31, ----------------------------------------- 2002 2001 2000 1999 1998 ---- ---- ---- ------ ------ Income (loss) from continuing operations before income taxes $(191) $(221) $ 693 $(104) $ 89 Fixed charges: Interest expense, gross ................................... 508 495 627 717 385 Portion of rentals representative of interest ............. 51 44 46 53 35 ----------------------------------------- Total fixed charges before capitalized interest ...... 559 539 673 770 420 Capitalized interest ...................................... 10 3 -- -- -- ----------------------------------------- Total fixed charges including capitalized interest ... 569 542 673 770 420 ----------------------------------------- Earnings before fixed charges .................................. $ 368 $ 318 $1,366 $ 666 $ 509 Ratio of earnings to fixed charges (a) ......................... -- -- 2.0 -- 1.2 ========================================= (a) In 2002, 2001 and 1999, earnings were insufficient to cover fixed charges by $201 million, $224 million and $104 million, respectively.