EXHIBIT 11.1 SEAGATE TECHNOLOGY, INC. COMPUTATION OF NET INCOME PER SHARE YEAR ENDED ----------------------------- JUNE 27, JUNE 28, JUNE 30, 1997 1996 1995 -------- -------- -------- (IN THOUSANDS EXCEPT PER SHARE DATA) PRIMARY Weighted average number of common shares outstanding during the year..................... 233,562 199,738 190,630 Incremental common shares attributable to exercise of outstanding options (assuming proceeds would be used to purchase treasury stock).......................................... 7,481 7,138 4,900 -------- -------- -------- Total shares................................. 241,043 206,876 195,530 ======== ======== ======== Net income: Income before extraordinary gain............... $658,038 $213,261 $312,548 Extraordinary gain, net of tax effect.......... -- -- 6,171 -------- -------- -------- Net income................................... $658,038 $213,261 $318,719 ======== ======== ======== Net income per share: Income before extraordinary gain............... $ 2.73 $ 1.03 $ 1.60 Extraordinary gain, net of tax effect.......... -- -- .03 -------- -------- -------- Net income................................... $ 2.73 $ 1.03 $ 1.63 ======== ======== ======== FULLY DILUTED Weighted average number of common shares outstanding during the year..................... 233,562 199,738 190,630 Incremental common shares attributable to exercise of outstanding options (assuming proceeds would be used to purchase treasury stock) and conversion of 6%, 6 1/2% and 5% convertible subordinated debentures............. 24,799 36,534(a) 56,512 -------- -------- -------- Total shares................................. 258,361 236,272(a) 247,142 ======== ======== ======== Net income: Income before extraordinary gain............... $658,038 $213,261 $312,548 Add 6 3/4% convertible subordinated debentures interest, net of income tax effect............ -- 7,487 11,240 Add 5% convertible subordinated debentures interest, net of income tax effect............ 4,376 8,228 8,448 Add 6 3/4% convertible subordinated debentures interest, net of income tax effect 5,663 -- (a) 8,340 Add 6 1/2% convertible subordinated debentures interest, net of income tax effect............ 6,465 -- (a) 12,012 -------- -------- -------- Income before extraordinary gain, as adjusted.. 674,542 228,976(a) 352,588 Extraordinary gain, net of tax effect.......... -- -- 6,171 -------- -------- -------- Net income, as adjusted........................ $674,542 $228,976(a) $358,759 ======== ======== ======== Net income per share: Income before extraordinary gain, as adjusted.. $ 2.61 $ .97(a) $ 1.43 Extraordinary gain, net of tax effect, as adjusted...................................... -- -- .02 -------- -------- -------- Net income................................... $ 2.61 $ .97(a) $ 1.45 ======== ======== ======== - ------- (a) The assumed conversion of the Company's 6 1/2% and 6 3/4% convertible subordinated debentures has been excluded because they produce an anti- dilutive result. 26