AMTECH SYSTEMS, INC. AND SUBSIDIARIES ------------------------------------- EXHIBIT 11 ---------- SCHEDULE OF COMPUTATION OF NET INCOME PER SHARE ----------------------------------------------- FOR THE YEARS ENDED SEPTEMBER 30, 1995, 1994 AND 1993 ----------------------------------------------------- 1995 1994 1993 ---------- ---------- ---------- Net income $ 226,568 $ 94,004 $ 508,670 ========== ========== ========== PRIMARY - -------------------------- Weighted average number of common shares outstanding during the year 1,901,426 945,351 987,538 Add - common equivalent shares determined using the "treasury stock" method representing shares issuable upon vesting of stock bonuses and exercise of employee and director stock options (1) -- 19,191 3,724 ---------- ---------- ---------- Weighted average number of shares used in the calculation of primary income per common share 1,901,426 964,542 991,262 ========== ========== ========== Primary income per common share $ .12 $ .10 $ .51 ========== ========== ========== FULLY DILUTED - --------------------------------- Weighted average number of shares used in calculating primary income per common share 1,901,426 964,542 991,262 Add incremental shares representing shares issuable upon exercise of stock options and warrants based upon the year-end market price (1) -- 258 21,432 ---------- ---------- ---------- Weighted average number of shares used in the calculation of fully diluted income per common share 1,901,426 964,800 1,012,694 ========== ========== ========== Fully diluted income per common share $ .12 $ .10 $ .50 ========== ========== ========== EXHIBIT 11 (1) Determined using the modified treasury stock method.