X0201 42003-08-2600000929008WESCO INTERNATIONAL INC WCC0001246375DUGANIER ALLAN A225 WEST STATION SQUARE DRIVE, SUITE 700PITTSBURGHPA152190100OPERATIONS CONTROLLERWESCO International Common Stock18600DOption for WESCO International Common Stock8.1252010-04-24WESCO International Common Stock1800018000DOption for WESCO International Common Stock4.52011-12-21WESCO International Common Stock500023000DOption for WESCO International Common Stock5.92003-08-224A0100005.9A2013-08-22WESCO International Common Stock1000033000DOptions are subject to performance vesting, with any unvested options becoming vested 90 days prior to the expiration date of such options.Options vest at a rate of 1/3 per year on the anniversary date of the option grant over the next three years./s/ Allan A. Duganier2003-08-26