1 EXHIBIT 11 THE CHASE MANHATTAN CORPORATION COMPUTATION OF EARNINGS PER COMMON SHARE For a discussion of the computation of basic and diluted earnings per common share, see Note Ten of Chase's 1998 Annual Report. (in millions, except per share amounts) Three Months Ended Nine Months Ended September 30, September 30, ---------------------- --------------------- EARNINGS PER SHARE 1999 1998 1999 1998 - ------------------------------------------------------------------------------------------------------------------------- BASIC EARNINGS PER SHARE Earnings: Net Income $ 1,187 837 $ 3,753 $ 2,636 Less: Preferred Stock Dividends 19 22 55 80 --------- -------- --------- --------- Net Income Applicable to Common Stock $ 1,168 $ 815 $ 3,698 $ 2,556 ========= ======== ========= ========= Shares: Basic Average Common Shares Outstanding 821.6 848.3 832.6 847.4 Net Income Per Share $ 1.42 $ 0.96 $ 4.44 $ 3.02 ========= ======== ========= ========= DILUTED EARNINGS PER SHARE Earnings: Net Income Applicable to Common Stock $ 1,168 $ 815 $ 3,698 $ 2,556 Shares: Basic Average Common Shares Outstanding 821.6 848.3 832.6 847.4 Additional Shares Issuable Upon Exercise of Stock Options for Dilutive Effect 28.1 22.8 28.3 23.8 --------- -------- --------- --------- Average Common Shares Outstanding Assuming Dilution 849.7 871.1 860.9 871.2 Net Income Per Share $ 1.37 $ 0.94 $ 4.30 $ 2.93 ========= ======== ========= ========= ======================================================================================================================== -46-