1 EXHIBIT (12) CMS ENERGY CORPORATION Ratio of Earnings to Fixed Charges and Preferred Securities Dividends and Distributions (Millions of Dollars) Years Ended December 31 1998 1997 1996 1995 1994 ----------------------------------------------- (b) Earnings as defined (a) Consolidated net income $ 242 $ 244 $ 224 $ 195 $ 177 Income taxes 100 108 137 113 91 Exclude equity basis subsidiaries (92) (80) (85) (57) (18) Fixed charges as defined, adjusted to exclude capitalized interest of $28, $13, $5, $4 and $2 million for the years ended December 31, 1998, 1997, 1996, 1995 and 1994, respectively 395 360 313 299 253 ------------------------------------------------- Earnings as defined $ 645 $ 632 $ 589 $ 550 $ 503 ================================================ Fixed charges as defined (a) Interest on long-term debt $ 319 $ 273 $ 230 $ 224 $ 193 Estimated interest portion of lease rental 8 8 10 9 9 Other interest charges 48 49 43 42 30 Preferred securities dividends and distributions 77 67 54 42 36 ------------------------------------------------- Fixed charges as defined $ 452 $ 397 $ 337 $ 317 $ 268 ================================================ Ratio of earnings to fixed charges and preferred securities dividends and distributions 1.43 1.59 1.75 1.74 1.88 ================================================ NOTES: (a) Earnings and fixed charges as defined in instructions for Item 503 of Regulation S-K. (b) Excludes a cumulative effect of change in accounting after-tax gain of $43 million.