EX-11 4 ex11-123102.txt NATIONAL INSTRUMENTS EXHIBIT 11 2002 10K EXHIBIT 11 NATIONAL INSTRUMENTS CORPORATION AND SUBSIDIARIES STATEMENTS RE: COMPUTATION OF EARNINGS PER SHARE (In thousands, except per share data) Years Ended December 31, 2002 2001 2000 -------- -------- -------- Net income.................................. $ 31,405 $ 36,402 $ 55,157 ======== ======== ======== Basic earnings per share.................... $ 0.61 $ 0.72 $ 1.10 ======== ======== ======== Weighted average shares outstanding-basic... 51,219 50,910 50,332 ======== ======== ======== Diluted earnings per share.................. $ 0.59 $ 0.68 $ 1.03 ======== ======== ======== Weighted average shares outstanding-diluted. 53,411 53,651 53,564 ======== ======== ======== Calculation of weighted average shares: Weighted average common stock outstanding-basic...................... 51,219 50,910 50,332 Weighted average common stock options, utilizing the treasury stock method.... 2,192 2,741 3,232 -------- -------- -------- Weighted average shares outstanding-diluted. 53,411 53,651 53,564 ======== ======== ========