1 EXHIBIT 11 COMPUTER NETWORK TECHNOLOGY CORPORATION Statement Re: Computation of Net Income Per Basic and Diluted Share (in thousands, except per share data) (Unaudited) Weighted Average Per Share Net Income (loss) Shares Outstanding Amount ----------------- ------------------ --------- Three Months Ended April 30, 2001: Basic $ (6,555) 29,718 $ (.22) Dilutive effect of employee stock purchase awards and options -- -- -- ------------------------------------------------------------ Diluted $ (6,555) 29,718 $ (.22) ============================================================ Three Months Ended April 30, 2000: Basic $ 1,830 23,935 $ .08 Dilutive effect of employee stock purchase awards and options(1) -- 2,423 (.01) ------------------------------------------------------------ Diluted $ 1,830 26,358 $ .07 ============================================================ (1) Potential dilutive securities, consisting of outstanding stock options and shares issuable under the employee stock purchase plan, are included in the computation of diluted net income per share using the treasury stock method. Potential dilutive securities are excluded from the computation of diluted loss per share.