X0101 42003-05-29 0000899171 CDW COMPUTER CENTERS INC CDWC 0000942499 KRASNY MICHARLE P 1010Common Stock, $.01 par value2003-05-295J079853.0042D22410496DCommon Stock, $.01 par value1998-08-084A000A38305IBy SonThe reporting person established the MPK Stock Option Plan out of his personal holdings to which he granted options to acquire a total of 16,573,500 shares to certain key employees of CDW Computer Centers, Inc. On May 29, 2003, one of these employees exercised options to acquire a total of 79,853 shares of common stock at an exercise price of $.004175 per share under the MPK Stock Option Plan.Robert J. Welyki, Attorney-in-fact2003-05-29