EXHIBIT 12(b) D&N CAPITAL CORPORATION Computation of ratio of earnings to fixed charges and preferred stock dividend requirements For the Three Months Ended March 31, 2000 (In thousands, except ratio) Net income $ 948 Fixed charges: Advisory fees 31 Total fixed charges 31 Earnings before fixed charges $ 979 Fixed charges, as above 31 Preferred stock dividend requirement 681 Fixed charges including preferred stock dividends $ 712 Ratio of earnings to fixed charges and preferred stock dividends requirements 1.38