Exhibit 12.1 PrivateBancorp, Inc. Computation of Earnings to Fixed Charges (Dollars in thousands) Earnings to fixed charges Year Ended December 31 2001 2000 1999 1998 1997 ---- ---- ---- ---- ---- Including Interest on Deposits Earnings: Earnings before Income taxes $ 8,251 $ 6,688 $ 4,172 $ 4,849 $ 3,387 Fixed Charges from below 37,637 33,331 16,605 13,312 10,081 ------- ------- ------- ------- ------- Earnings $45,888 $40,019 $20,777 $18,161 $13,468 Fixed Charges: Interest Expense $37,637 $33,331 $16,605 $13,312 $10,081 Interest Portion of Fixed Rentals (1) - - - - - ------- ------- ------- ------- ------- Total Interest expense $37,637 $33,331 $16,605 $13,312 $10,081 Ratio of Earnings to Fixed Charges 1.22 X 1.20 X 1.25 X 1.36 X 1.34 X (1) the company is not a party to any capital leases therefore, this item is not applicable. All leases are operating leases Excluding Interest on Deposits Earnings before income taxes $ 8,251 $ 6,688 $ 4,172 $ 4,849 $ 3,387 Fixed Charges from below 8,058 4,116 931 19 3 ------- ------- ------- ------- ------- Earnings before income taxes $16,309 $10,804 $ 5,103 $ 4,868 $ 3,390 Fixed Charges: Interest Expense (excluding deposits) $ 8,058 $ 4,116 $ 931 S 19 $ 3 Interest Portion of Fixed Rentals (1) $ - - - - - ------- ------- ------- ------- ------- Total Interest Expense $ 8,058 $ 4,116 $ 931 $ 19 $ 3 Ratio of earnings to fixed charges 2.02 X 2.62 X 5.48 X 256.21 X 1130.00 X (1) the company is not a party to any capital leases therefore, this item is not applicable. All leases are operating leases