EXHIBIT 11.1
LAM RESEARCH CORPORATION
STATEMENT RE: COMPUTATION OF NET INCOME (LOSS) PER SHARE
Three Months Ended
(in thousands except per share data)
---------------------------------------------
March 31, March 31,
1997 1996
--------------------- ---------------------
Fully Fully
Primary Diluted Primary Diluted
---------- --------- ---------- --------
Net income (loss) ................. ($44,799) ($44,799) $ 38,649 $ 38,649
Add interest expense on convertible
subordinated debentures, net of
income tax effect ............... 880
======== ======== ========== ========
($44,799) ($44,799) $ 38,649 $ 39,529
======== ======== ========== ========
Average shares outstanding ....... 30,600 30,600 27,335 27,325
Net effect of dilutive
stock options ................... 865 885
Assumed conversion of convertible
subordinated debentures ......... 2,640
======== ======== ========== ========
30,600 30,600 28,200 30,850
======== ======== ========== ========
Net income (loss) per share ....... ($ 1.46) ($ 1.46) $ 1.37 $ 1.28
======== ======== ========== ========
Nine Months Ended
(in thousands except per share data)
---------------------------------------------
March 31, March 31,
1997 1996
--------------------- ---------------------
Fully Fully
Primary Diluted Primary Diluted
---------- ---------- ---------- --------
Net income (loss) ................. ($ 31,676) ($ 31,676) $102,595 $ 102,595
Add interest expense on convertible
subordinated debentures, net of
income tax effect ............... 2,628
========= ========= ======== =========
($ 31,676) ($ 31,676) $102,595 $ 105,223
========= ========= ======== =========
Average shares outstanding ....... 30,500 30,500 27,327 27,327
Net effect of dilutive
stock options ................... 973 983
Assumed conversion of convertible
subordinated debentures ......... 2,640
========= ========= ======== =========
30,500 30,500 28,300 30,950
========= ========= ======== =========
Net income (loss) per share ....... ($ 1.04) ($ 1.04) $ 3.63 $ 3.40
========= ========= ======== =========
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