0001157523-06-004008 8-K 2 20060425 2.02 9.01 20060425 20060425 CDW CORP 0000899171 5961 363310735 IL 1231 8-K 34 000-21796 06776540 200 N MILWAUKEE AVE VERNON HILLS IL 60061 8474656000 200 N MILWAUKEE AVE VERNON HILLS IL 60061 CDW COMPUTER CENTERS INC 19930322 8-K 1 a5131614.txt CDW CORPORATION 8-K EX-99 2 a5131614ex99.txt EXHIBIT 99