PARLEX CORPORATION AND SUBSIDIARIES Computation of Net Income Per Common Share Exhibit 11 Three Months Ended Nine Months Ended -------------------------------- -------------------------------- April 1, 2001 March 26, 2000 April 1, 2001 March 26, 2000 ------------- -------------- ------------- -------------- Basic earnings per share ($0.56) $0.35 ($0.79) $0.96 Weighted average number of shares outstanding 6,294,818 4,812,936 6,284,503 4,805,473 Diluted earnings per share (0.56) 0.34 (0.79) 0.94 Weighted average number of shares outstanding 6,294,818 4,812,936 6,284,503 4,805,473 Effect of dilutive stock options 0 125,840 0 78,172 Adjusted weighted average number of shares outstanding 6,294,818 4,938,776 6,284,503 4,883,645