BANK OF BOSTON CORPORATION EXHIBIT 12(c) COMPUTATION OF CONSOLIDATED RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDEND REQUIREMENTS (Excluding Interest on Deposits) The Corporation's ratios of earnings to combined fixed charges and preferred stock dividend requirements (excluding interest on deposits) for the nine months ended September 30, 1994 and 1993 and for the five years ended December 31, 1993 were as follows: Nine Months Years Ended Ended September 30 December 31 --------------------------- ----------------------------------------------------- (Dollars in thousands) 1994 1993 1993 1992 1991 1990 1989 --------- ------- ------- ------- -------- -------- --------- Net income (loss) $ 314,609 $ 196,514 $ 299,026 $ 278,881 $ (113,155) $ (468,248) $ 138,114 Extraordinary items, net of tax 6,535 (72,968) (7,758) (43,649) Cumulative effect of changes in accounting principles, net of tax (24,203) (24,203) Income tax expense (benefit) 255,113 135,461 214,683 152,781 (57,990) 2,579 84,951 --------- ------- ------- ------- -------- -------- --------- Pretax earnings (loss) $ 576,257 $ 307,772 $ 489,506 $ 358,694 $ (178,903) $ (509,318) $ 223,065 ========= ======= ======= ======= ======== ======== ========= Fixed charges: Portion of rental expense (net of sublease rental income) which approximates the interest factor 20,068 20,338 27,063 28,159 30,370 38,747 35,482 Interest on borrowed funds 692,591 255,092 377,874 344,908 361,510 592,028 1,081,007 --------- ------- ------- ------- -------- -------- --------- Total fixed charges $ 712,659 $ 275,430 $ 404,937 $ 373,067 $ 391,880 $ 630,775 $ 1,116,489 Preferred stock dividend requirements 50,415 45,269 61,377 33,186 13,255 13,748 22,568 --------- ------- ------- ------- -------- -------- --------- Total combined fixed charges and preferred stock dividend requirements $ 763,074 $ 320,699 $ 466,314 $ 406,253 $ 405,135 $ 644,523 $ 1,139,057 ========= ======= ======= ======= ======== ======== ========= Earnings (for ratio calculation) (Pretax earnings (loss) plus total fixed charges) $ 1,288,916 $ 583,202 $ 894,443 $ 731,761 $ 212,977 $ 121,457 $ 1,339,554 ========= ======= ======= ======= ======== ======== ========= Ratio of earnings to combined fixed charges and preferred stock dividend requirements 1.69 1.82 1.92 1.80 .53 .19 1.18 ========= ======= ======= ======= ======== ======== ========= For purposes of computing the consolidated ratio of earnings to combined fixed charges and preferred stock dividend requirements "earnings" represent income (loss) before extraordinary items and cumulative effect of changes in accounting principles plus applicable income taxes and fixed charges. "Fixed charges" include gross interest expense (excluding interest on deposits) and the proportion deemed representative of the interest factor of rent expense, net of income from subleases. Pretax earnings required for preferred stock dividends were computed using tax rates for the applicable year. No tax adjustments were made in loss years. Ratios for the periods presented reflect the reclassification, where appropriate, of Brazilian translation gains and losses more fully discussed in Note 11 to the Financial Statements.