EXHIBIT 12(c) BANK OF BOSTON CORPORATION 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 quarters ended March 31, 1995 and 1994 and for the five years ended December 31, 1994 were as follows: QUARTERS ENDED MARCH 31, YEARS ENDED DECEMBER 31, ----------------- --------------------------------------------------- 1995 1994 1994 1993 1992 1991 1990 -------- -------- ---------- -------- -------- --------- --------- (DOLLARS IN THOUSANDS) Net income (loss)....... $125,344 $ 96,140 $ 435,362 $299,026 $278,881 $(113,155) $(468,248) Extraordinary items, net of tax................. 6,535 6,535 (72,968) (7,758) (43,649) Cumulative effect of changes in accounting principles, net of tax. (24,203) Income tax expense (benefit).............. 120,621 81,457 349,414 214,683 152,781 (57,990) 2,579 -------- -------- ---------- -------- -------- --------- --------- Pretax earnings (loss). $245,965 $184,132 $ 791,311 $489,506 $358,694 $(178,903) $(509,318) ======== ======== ========== ======== ======== ========= ========= Fixed charges: Portion of rental expense (net of sublease rental income) which approximates the interest factor....... 7,018 6,701 26,713 27,063 28,159 30,370 38,747 Interest on borrowed funds.................. 245,838 143,299 997,601 377,874 344,908 361,510 592,028 -------- -------- ---------- -------- -------- --------- --------- Total fixed charges.... $252,856 $150,000 $1,024,314 $404,937 $373,067 $ 391,880 $ 630,775 Preferred stock dividend requirements........... 18,407 16,705 67,053 61,377 33,186 13,255 13,748 -------- -------- ---------- -------- -------- --------- --------- Total combined fixed charges and preferred stock dividend requirements........... $271,263 $166,705 $1,091,367 $466,314 $406,253 $ 405,135 $ 644,523 ======== ======== ========== ======== ======== ========= ========= Earnings (for ratio calculation) (Pretax earnings (loss) plus total fixed charges)... $498,821 $334,132 $1,815,625 $894,443 $731,761 $ 212,977 $ 121,457 ======== ======== ========== ======== ======== ========= ========= Ratio of earnings to combined fixed charges and preferred stock dividend requirements.. 1.84 2.00 1.66 1.92 1.80 .53 .19 ======== ======== ========== ======== ======== ========= ========= 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.