0000899171-03-000072 8-K 2 20030716 7 9 20030716 CDW CORP 0000899171 5961 363310735 IL 1231 8-K 34 000-21796 03789644 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 form8k.htm FORM 8-K EX-99 3 secondqtr8k-exhibit.htm EXHIBIT 99