. . . EXHIBIT 13.1 SELECTED CONSOLIDATED FINANCIAL DATA FIVE-YEAR SUMMARY Years ended December 31, (In thousands, except per share amounts) 2002 2001 2000 1999 1998 - ---------------------------------------- ---- ---- ---- ---- ---- STATEMENTS OF OPERATIONS DATA: Net sales $ 711,684 $ 839,376 $1,376,815 $ 836,623 $ 654,342 Cost of sales 263,067 458,699 466,994 301,322 249,474 --------- --------- --------- --------- --------- Gross margin 448,617 380,677 909,821 535,301 404,868 Research and development expenses 182,766 170,869 172,373 86,065 59,864 Selling, general, and administrative expenses 168,484 215,318 209,979 143,214 113,161 Acquired in-process research and development expense - - 6,305 - - Restructuring and other special charges - 47,669 - - - --------- --------- --------- --------- --------- Income (loss) from operations 97,367 (53,179) 521,164 306,022 231,843 Gain on sale of WaferTech, LLC - - 178,105 - - Interest and other income, net 25,961 40,176 46,145 37,055 12,340 --------- --------- --------- --------- --------- Income (loss) before income taxes and equity investment 123,328 (13,003) 745,414 343,077 244,183 Provision for income taxes 32,065 26,779 247,107 111,499 79,356 Equity in loss of WaferTech, LLC - - 1,400 7,584 10,440 --------- --------- --------- --------- --------- Net income (loss) $ 91,263 $ (39,782) $ 496,907 $ 223,994 $ 154,387 ========= ========= ========= ========= ========= Net income (loss) per share: Basic $ 0.24 $ (0.10) $ 1.25 $ 0.57 $ 0.41 Diluted 0.23 (0.10) 1.19 0.54 0.39 Shares used in computing income (loss) per share: Basic 383,619 386,097 396,849 396,158 373,972 Diluted 391,708 386,097 416,629 414,928 406,356 BALANCE SHEET DATA: Working capital $ 935,675 $ 882,421 $1,013,155 $ 785,359 $ 587,923 Total assets 1,371,737 1,361,427 2,004,134 1,439,599 1,093,331 Long-term debt - - - - - Stockholders' equity 1,131,236 1,114,500 1,247,930 1,118,073 881,721 Book value per share 2.95 2.89 3.21 2.81 2.26