0001157523-05-008839 8-K 2 20051018 2.02 9.01 20051018 20051018 CDW CORP 0000899171 5961 363310735 IL 1231 8-K 34 000-21796 051142023 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 a4997445.txt CDW CORPORATION 8-K EX-99 2 a4997445ex99.txt EXHIBIT 99