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) Computations of Basic Earnings Per Common Three Months Ended Six Months Ended Share for Statement of Operations: June 30, June 30, - -------------------------------------------------- --------------------------------------------------------------------------- 2000 1999 2000 1999 ----------------- ----------------- ----------------- ----------------- Net income $ 46,662 $ 40,989 $ 87,383 $ 78,329 ================= ================= ================= ================= Weighted average common shares outstanding 78,340,026 82,615,789 79,159,831 83,114,543 ================= ================= ================= ================= Basic earnings per common share $ .60 $ .50 $ 1.10 $ .94 ================= ================= ================= ================= Computation of Diluted Earnings Per Common Share for Statements of Operations: - -------------------------------------------------- Net income $ 46,662 $ 40,989 $ 87,383 $ 78,329 ================= ================= ================= ================= 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 78,340,026 82,615,789 79,159,831 83,114,543 Net dilutive effect of: Stock option plans 82,456 174,087 77,012 186,195 Restricted stock plans 587,035 447,965 513,436 366,183 ----------------- ----------------- ----------------- ----------------- 79,009,517 83,237,841 79,750,279 83,666,921 ================= ================= ================= ================= Diluted earnings per common share $ .59 $ .49 $1.10 $ .94 ================= ================= ================= =================