Exhibit 11 - Computation of Earnings Per Common Share TCF FINANCIAL CORPORATION AND SUBSIDIARIES Computation of Earnings Per Common Share (Dollars in thousands, except per-share data) (Unaudited) Computation of Basic Earnings Per Common Three Months Ended Nine Months Ended Share for Statements of Operations: September 30, September 30, - ------------------------------------------ ------------------------------ ------------------------------ 1999 1998 1999 1998 ---- ---- ---- ---- Net income $ 42,760 $ 36,581 $ 121,089 $ 116,675 =========== =========== =========== =========== Weighted average common shares outstanding 82,069,575 87,133,594 82,766,220 89,157,432 =========== =========== =========== =========== Basic earnings per common share $ .52 $ .42 $ 1.46 $ 1.31 =========== =========== =========== =========== Computation of Diluted Earnings Per Common Share for Statements of Operations: - ------------------------------------------- Net income $ 42,760 $ 36,581 $ 121,089 $ 116,675 =========== =========== =========== =========== Weighted average number of common shares outstanding adjusted for effect of dilutive securities: Weighted average common shares outstanding used in basic earnings per common share calculation 82,069,575 87,133,594 82,766,220 89,157,432 Net dilutive effect of: Stock option plans 167,493 329,634 179,961 359,546 Restricted stock plans 514,379 510,015 415,581 503,458 ----------- ----------- ----------- ----------- 82,751,447 87,973,243 83,361,762 90,020,436 =========== =========== =========== =========== Diluted earnings per common share $ .52 $ .42 $ 1.45 $ 1.30 =========== =========== =========== ===========