EXHIBIT 12 COLUMBIA ENERGY GROUP AND SUBSIDIARIES STATEMENTS OF RATIO OF EARNINGS TO FIXED CHARGES ($ in millions) Twelve Months Twelve Months Ended March 31, Ended December 31, ----------------- ---------------------------------------------------- 2004 2003 2003 2002 2001 2000 1999 ================================================================== ==================================================== CONSOLIDATED INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES: 703.5 705.0 727.8 662.3 453.7 455.9 529.6 ADJUSTMENTS: Distributed (Undistributed) equity income -- (2.3) 0.1 (2.5) 2.2 (5.5) (5.8) Fixed charges * 88.8 117.1 91.6 124.4 165.9 190.5 181.7 - ------------------------------------------------------------------ ---------------------------------------------------- Earnings available 792.3 819.8 819.5 784.2 621.8 640.9 705.5 *FIXED CHARGES: Interest on long-term and short-term debt 82.7 111.2 85.8 117.9 161.4 172.0 167.5 Portion of rentals representing interest 6.1 5.9 5.8 6.5 4.5 18.5 14.2 - ------------------------------------------------------------------ ---------------------------------------------------- Total Fixed Charges 88.8 117.1 91.6 124.4 165.9 190.5 181.7 RATIO OF EARNINGS TO FIXED CHARGES 8.92 7.00 8.95 6.30 3.75 3.36 3.88 ================================================================== ==================================================== Prior periods have been restated to reflect discontinued operations