EXHIBIT 11 PARLEX CORPORATION AND SUBSIDIARIES COMPUTATION OF NET INCOME PER COMMON SHARE Three Months Ended Six Months Ended December 27,1998 December 28, 1997 December 27, 1998 December 28, 1997 ---------------- ----------------- ----------------- ----------------- Net income per share - basic $.12 $.14 $.16 $.33 Weighted average number of shares outstanding 4,641,656 4,330,431 4,641,226 3,960,892 Net income per share - diluted $.11 $.13 $.15 $.32 Weighted average number of shares outstanding 4,641,656 4,330,431 4,641,226 3,960,892 Effect of dilutive stock options 118,058 207,475 133,078 209,435 Adjusted weighted average number of shares outstanding 4,759,714 4,537,906 4,774,304 4,170,327