0000891020-04-000078 10-K/A 4 20030930 20040126 F5 NETWORKS INC 0001048695 7373 911714307 WA 0930 10-K/A 34 000-26041 04543220 401 ELLIOT AVE WEST STE 500 SEATTLE WA 98119 2062725555 401 ELLIOT AVE WEST STE 500 SEATTLE WA 98119 F5 LABS INC 19990305 10-K/A 1 v95914e10vkza.htm FORM 10-K/A FISCAL YEAR ENDED SEPTEMBER 30, 2003 EX-31.1 3 v95914exv31w1.htm EXHIBIT 31.1 EX-31.2 4 v95914exv31w2.htm EXHIBIT 31.2 GRAPHIC 5 v95914v9591400.gif GRAPHIC