Exhibit 11 PARLEX CORPORATION AND SUBSIDIARIES Computation of Net Income Per Common Share Three Months Ended ------------------------------------- September 30, 2001 October 1, 2000 ------------------ --------------- <s> <c> <c> Basic earnings per share ($0.18) $0.14 Weighted average number of shares outstanding 6,303,216 6,277,751 Diluted earnings per share ($0.18) $0.14 Weighted average number of shares outstanding 6,303,216 6,277,751 Effect of dilutive stock options - 178,423 Adjusted weighted average number of shares outstanding 6,303,216 6,456,174