X0201 4 2003-08-01 0 0001038074 SILICON LABORATORIES INC SLAB 0001197844 FLUKE BRADLEY J 4635 BOSTON LANE AUSTIN TX 78735 0 1 0 0 Vice President Common Stock, $0.0001 par value 2003-08-01 4 S 0 6000 36.16 D 231176 D In addition to the 231,176 shares reported as being directly owned, Mr. Fluke claims indirect beneficial ownership of 1,930 shares held by the Bradley J. Fluke GRAT, 1,930 shares held by the Linda A. Fluke GRAT, and 8,000 shares held by the B. Fluke Trust. Bradley J. Fluke 2003-08-04