EX-11 3 d123101kexh11.txt NATIONAL INSTRUMENTS CORP 2001 10-K EXHIBIT 11 EXHIBIT 11 NATIONAL INSTRUMENTS CORPORATION AND SUBSIDIARIES STATEMENTS RE: COMPUTATION OF EARNINGS PER SHARE (In thousands, except per share data) Years Ended December 31, ---------------------------------- 2001 2000 1999 ---------- ---------- ---------- Net income................................. $ 36,402 $ 55,157 $ 45,248 ========== ========== ========== Basic earnings per share................... $ 0.72 $ 1.10 $ 0.91 ========== ========== ========== Weighted average shares outstanding-basic......................... 50,910 50,332 49,776 ========== ========== ========== Diluted earnings per share................. $ 0.68 $ 1.03 $ 0.87 ========== ========== ========== Weighted average shares outstanding-diluted....................... 53,651 53,564 52,203 ========== ========== ========== Calculation of weighted average shares: Weighted average common stock outstanding-basic..................... 50,910 50,332 49,776 Weighted average common stock options, utilizing the treasury stock method... 2,741 3,232 2,427 ---------- ---------- ---------- Weighted average shares outstanding-diluted....................... 53,651 53,564 52,203 ========== ========== ==========