49 EXHIBIT 12(a) CHEMICAL BANKING CORPORATION and Subsidiaries Computation of ratio of earnings to fixed charges --------------------------------------------------- (in millions, except ratios) Three Months Ended March 31, 1994 ------------------ EXCLUDING INTEREST ON DEPOSITS ------------------------------ Income before Income Taxes and Effect of Accounting Changes $ 545 ------- Fixed charges: Interest expense 427 One third of rents, net of income from subleases <a> 27 ------- Total fixed charges 454 ------- Less: Equity in undistributed income of affiliates (26) ------- Earnings before taxes and fixed charges, excluding capitalized interest $ 973 ======= Fixed charges, as above $ 454 ======= Ratio of earnings to fixed charges 2.14 ======= INCLUDING INTEREST ON DEPOSITS ------------------------------ Fixed charges, as above $ 454 Add: Interest on deposits 520 ------- Total fixed charges and interest on deposits $ 974 ======= Earnings before taxes and fixed charges, excluding capitalized interest, as above $ 973 Add: Interest on deposits 520 ------- Total earnings before taxes, fixed charges and interest on deposits $ 1,493 ======= Ratio of earnings to fixed charges 1.53 ======= [FN] <a> The proportion deemed representative of the interest factor.