EXHIBIT 11.1 ROHR, INC. AND SUBSIDIARIES --------------------------- CALCULATION OF PRIMARY NET INCOME PER SHARE ------------------------------------------- OF COMMON STOCK --------------- (in thousands except for per share data) ---------------------------------------- FIRST QUARTER ENDED ------------------- NOV. 3, OCT. 29, 1996 1995 -------- -------- Net income applicable to primary earnings per common share $ 3,358 $ 482 ======= ======= Common stock and common stock equivalents: Average shares of common stock outstanding during the period 22,500 18,093 Net effect of common stock equivalents (principally stock options and rights) 934 589 ------- ------- Total common stock and common stock equivalents 23,434 18,682 ======= ======= Primary net income per average share of common stock $ 0.14 $ 0.03 ======= ======= 11