1 EXHIBIT 12B RELIANT ENERGY RESOURCES CORP. AND SUBSIDIARIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (THOUSANDS OF DOLLARS) NINE MONTHS TWELVE MONTHS ENDED ENDED SEPTEMBER 30, SEPTEMBER 30, -------------- ------------- 1999 1999 ------------- ------------- Income from Continuing Operations .............................................. $ 70,397 $ 109,852 Income Taxes from Continuing Operations ........................................ 70,569 126,950 ---------- ---------- Income from Continuing Operations Before Income Taxes .......................... $ 140,966 $ 236,802 ========== ========== Fixed Charges Interest ......................................................... $ 89,407 $ 122,506 Amortization of Debt Discount and Expense ...................................... 1,085 1,307 Portion of Rents Considered to Represent an Interest Factor .................... 9,388 6,786 ---------- ---------- Total Fixed Charges ............................................................ $ 99,880 $ 130,599 ========== ========== Income from Continuing Operations Before Income Taxes and Fixed Charges ........ $ 240,846 $ 367,401 Ratio of Earnings to Fixed Charges ............................................. 2.41 2.81 ========== ==========