EXHIBIT 11.1 SEAGATE TECHNOLOGY, INC. COMPUTATION OF NET INCOME PER SHARE (In thousands except per share data) Three Months Ended Nine Months Ended ------------------ ----------------- March 29, March 31, March 29, March 31, 1996 1995 1996 1995 ---- ---- ---- ---- PRIMARY Weighted average number of common shares outstanding during the period 100,412 94,198 97,833 95,277 Incremental common shares attributable to exercise of outstanding options (assuming proceeds would be used to purchase treasury stock) - 2,238 3,497 2,181 --------- ------- ------- ------- Total shares 100,412 96,436 101,330 97,458 --------- ------- ------- ------- --------- ------- ------- ------- Net income (loss): Amount before extraordinary gain $(157,478) $ 83,083 $112,246 $199,801 Amount (157,478) 83,083 112,246 205,972 Per share before extraordinary gain $ (1.57) $ 0.86 $ 1.11 $2.05 Per share (1.57) 0.86 1.11 2.11 FULLY DILUTED Weighted average number of common shares outstanding during the period 100,412 94,198 97,833 95,277 Incremental common shares attributable to exercise of outstanding options (assuming proceeds would be used to purchase treasury stock) and conversion of 6-3/4%, 6-1/2% and 5% convertible subordinated debentures - 28,204 13,928 24,886 --------- ------- ------- ------- Total shares 100,412 122,402 111,761 120,163 --------- ------- ------- ------- --------- ------- ------- ------- Net income (loss): Amount $(157,478) $ 83,083 $112,246 $205,972 Add 6-3/4% convertible subordinated debentures interest, net of income tax effect - 2,810 - 8,429 Add 5% convertible subordinated debentures interest, net of income tax effect - 2,112 6,171 6,336 Add 6-1/2% convertible subordinated debentures interest, net of income tax effect - 2,967 - 4,170 Add 6-3/4% convertible subordinated debentures interest, net of income tax effect - 2,085 - 5,934 --------- ------- ------- ------- Total $(157,478) $ 93,057 $118,417 $230,841 --------- ------- ------- ------- --------- ------- ------- ------- Per share before extraordinary gain $ (1.57) $ 0.76 $ 1.06 $1.87 Per share (1.57) 0.76 1.06 1.92 --------- ------- ------- ------- --------- ------- ------- -------