X0202 4 2005-09-02 0 0001091158 WEBSIDESTORY INC WSSI 0001297578 Barrelet Blaise P 10182 TELESIS COURT, 6TH FLOOR SAN DIEGO CA 92121 1 0 1 0 Common Stock 2005-09-02 4 S 0 480 17.76 D 2085941 D Common Stock 2005-09-02 4 S 0 560 17.77 D 2085381 D Common Stock 2005-09-02 4 S 0 160 17.78 D 2085221 D Common Stock 2005-09-02 4 S 0 720 17.80 D 2084501 D Common Stock 2005-09-02 4 S 0 720 17.84 D 2083781 D Common Stock 2005-09-02 4 S 0 480 17.85 D 2083301 D Common Stock 2005-09-02 4 S 0 88 17.88 D 2083213 D Common Stock 2005-09-02 4 S 0 320 17.92 D 2082893 D Common Stock 2005-09-02 4 S 0 800 17.93 D 2082093 D Common Stock 2005-09-02 4 S 0 472 17.98 D 2081621 D Common Stock 2005-09-02 4 S 0 6514 18.00 D 2075107 D Common Stock 2005-09-02 4 S 0 120 17.76 D 530335 I see footnote Common Stock 2005-09-02 4 S 0 140 17.77 D 530195 I see footnote Common Stock 2005-09-02 4 S 0 40 17.78 D 530155 I see footnote Common Stock 2005-09-02 4 S 0 180 17.80 D 529975 I see footnote Common Stock 2005-09-02 4 S 0 180 17.84 D 529795 I see footnote Common Stock 2005-09-02 4 S 0 120 17.85 D 529675 I see footnote Common Stock 2005-09-02 4 S 0 22 17.88 D 529653 I see footnote Common Stock 2005-09-02 4 S 0 80 17.92 D 529573 I see footnote Common Stock 2005-09-02 4 S 0 200 17.93 D 529373 I see footnote Common Stock 2005-09-02 4 S 0 118 17.98 D 529255 I see footnote Common Stock 2005-09-02 4 S 0 1628 18.00 D 527627 I see footnote This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 2, 2005. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by Agnes Barrelet on August 2, 2005. These securities were sold by Agnes Barrelet, the reporting person's wife /s/ Vince Bartolotta Attorney-in-Fact 2005-09-06