0001157523-05-003429 8-K 2 20050419 2.02 9.01 20050419 20050419 CDW CORP 0000899171 5961 363310735 IL 1231 8-K 34 000-21796 05758087 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 a4867255.txt CDW CORPORATION 8-K EX-99 2 a4867255ex99.txt EXHIBIT 99