X0201 42003-11-0700000785786PLEXUS CORP PLXS0001223187CLARK DAVID A55 JEWELERS PARK DRIVENEENAHWI549560100Vice PresidentCommon Stock, $.01 par value2003-11-074M03460.000010.5940A3460.0000DCommon Stock, $.01 par value2003-11-074S03460.000019.5802D0DCommon Stock, $.01 par value1259.0000I401(k)Option to buy10.59402003-11-074M03460.0000D1998-04-232008-04-23Common Stock3460.00000DOption to buy15.12501999-04-212009-04-21Common Stock18000.000018000.0000DOption to buy35.54692000-04-242010-04-24Common Stock18000.000018000.0000DOption to buy23.55002001-04-062011-04-06Common Stock14000.000014000.0000DOption to buy25.28502002-04-222012-04-22Common Stock9000.00009000.0000DOption to buy8.97502003-01-302013-01-30Common Stock13500.000013500.0000DOption to buy14.01502003-08-142013-08-14Common Stock13500.000013500.0000DOptions granted under the Plexus Corp. Stock Option Plan, which qualified under Rule 16b-3. Options vest one-third each year, commencing on the first anniversary of the grant.Shares of Plexus Corp. common stock held in the Plexus Corp. Employee Stock Savings Plan, as of September 30, 2003, the last date of a statement from the Plan's trustee.David A. Clark, by Joseph D. Kaufman, Attorney-in-Fact2003-11-07