EXHIBIT 11.1 ROHR, INC. AND SUBSIDIARIES --------------------------- CALCULATION OF PRIMARY NET INCOME PER SHARE ------------------------------------------- OF COMMON STOCK --------------- (in thousands except for earnings per share data) ------------------------------------------------- THIRD QUARTER ENDED NINE MONTHS ENDED ---------------------------- ---------------------------- MAY 4, APRIL 28, MAY 4, APRIL 28, 1997 1996 1997 1996 ---------- ---------- ---------- ---------- Net income applicable to primary earnings per common share $ 10,818 $ 4,130 $ 19,059 $ 4,817 ========== ========== ========== ========== Common stock and common stock equivalents: Average shares of common stock outstanding during the period 25,294 21,635 24,333 19,560 Net effect of common stock equivalents (principally stock options and rights) 759 677 869 608 ---------- ---------- ---------- ---------- Total common stock and common stock equivalents 26,053 22,312 25,202 20,168 ========== ========== ========== ========== Primary net income per average common share $ 0.42 $ 0.19 $ 0.76 $ 0.24 ========== ========== ========== ========== Page 15