X0303 4 2009-04-01 0 0000869570 SPSS INC SPSS 0001291283 Nelson Marc SPSS INC. 233 SOUTH WACKER DRIVE, 11TH FLOOR CHICAGO IL 60606 0 1 0 0 Corporate Controller Common Stock, $0.01 par value 2009-04-01 4 F 0 124 29.49 D 13008 D Common Stock, $0.01 par value 2009-04-01 4 F 0 168 29.49 D 12840 D The reporting person forfeited 124 shares to satisfy the tax withholding obligation due upon the April 1, 2009 vesting of 313 restricted share units, representing a portion of a previously granted restricted share unit award. The reporting person forfeited 168 shares to satisfy the tax withholding obligation due upon the April 1, 2009 vesting of 425 restricted share units, representing a portion of a previously granted restricted share unit award. /s/ Marc Nelson 2009-04-02