EXHIBIT 12 AGL Resources Inc. and Subsidiaries Statement Setting Forth Computation of Ratio of Earnings to Fixed Charges (Dollars in millions) Years ended September 30, ----------------------------------------------- 2000 1999 1998 1997 1996 ----------------------------------------------- Earnings available for fixed charges: Net income $ 71.1 $ 74.4 $ 80.6 $ 76.6 $ 75.6 Income tax expense 37.2 39.1 38.8 46.8 47.5 Fixed charges - see below 57.9 56.8 57.7 55.1 52.0 ------ ------ ------ ------ ------ Total $166.2 $170.3 $177.1 $178.5 $175.1 ====== ====== ====== ====== ====== Fixed Charges: Interest on long-term debt $ 46.7 $ 49.7 $ 49.7 $ 45.1 $ 42.2 Amortization of debt expense 0.3 0.3 0.3 0.3 0.3 Other interest 6.9 4.0 5.1 7.5 7.3 Interest component of rentals charged to income 4.0 2.8 2.6 2.2 2.2 ------ ------ ------ ------ ------ Total fixed charges $ 57.9 $ 56.8 $ 57.7 $ 55.1 $ 52.0 ====== ====== ====== ====== ====== Ratio of earnings to fixed charges 2.87 3.00 3.07 3.24 3.37 ====== ====== ====== ====== ======