0000891020-04-000049 8-K 2 20040121 12 7 20040121 F5 NETWORKS INC 0001048695 7373 911714307 WA 0930 8-K 34 000-26041 04535255 401 ELLIOT AVE WEST STE 500 SEATTLE WA 98119 2062725555 401 ELLIOT AVE WEST STE 500 SEATTLE WA 98119 F5 LABS INC 19990305 8-K 1 v95754e8vk.htm FORM 8-K EX-99.1 3 v95754exv99w1.htm EXHIBIT 99.1