X0202 4 2005-03-09 1 0001082923 STAMPS.COM INC STMP 0001254792 OGG CRAIG L 12959 CORAL TREE PLACE LOS ANGELES CA 90066 0 1 0 0 Former Vice President, R&D Common Stock 2005-03-09 4 M 0 131299 7.61 A 150400 D Common Stock 2005-03-09 4 S 0 72299 17.5265 D 78101 D Common Stock 2005-03-09 4 S 0 100 17.85 D 78001 D Common Stock 2005-03-09 4 S 0 100 17.86 D 77901 D Common Stock 2005-03-09 4 S 0 18 17.76 D 77883 D Common Stock 2005-03-09 4 S 0 18 17.76 D 77865 D Common Stock 2005-03-09 4 S 0 100 17.78 D 77765 D Common Stock 2005-03-09 4 S 0 100 17.83 D 77665 D Common Stock 2005-03-09 4 S 0 100 17.83 D 77565 D Common Stock 2005-03-09 4 S 0 100 17.83 D 77465 D Common Stock 2005-03-09 4 S 0 100 17.73 D 77365 D Common Stock 2005-03-09 4 S 0 100 17.73 D 77265 D Common Stock 2005-03-09 4 S 0 100 17.76 D 77165 D Common Stock 2005-03-09 4 S 0 100 17.76 D 77065 D Common Stock 2005-03-09 4 S 0 400 17.73 D 76665 D Common Stock 2005-03-09 4 S 0 400 17.85 D 76265 D Common Stock 2005-03-09 4 S 0 382 17.76 D 75883 D Common Stock 2005-03-09 4 S 0 200 17.84 D 75683 D Common Stock 2005-03-09 4 S 0 182 17.85 D 75501 D Common Stock 2005-03-09 4 S 0 100 17.71 D 75401 D Common Stock 2005-03-09 4 S 0 100 17.73 D 75301 D Common Stock 2005-03-09 4 S 0 100 17.73 D 75201 D Common Stock 2005-03-09 4 S 0 100 17.76 D 75101 D Common Stock 2005-03-09 4 S 0 100 17.76 D 75001 D Common Stock 2005-03-09 4 S 0 100 17.76 D 74901 D Common Stock 2005-03-09 4 S 0 100 17.77 D 74801 D Common Stock 2005-03-09 4 S 0 200 17.84 D 74601 D Common Stock 2005-03-09 4 S 0 100 17.84 D 74501 D Common Stock 2005-03-09 4 S 0 100 17.85 D 74401 D Common Stock 2005-03-10 4 S 0 59000 17.6124 D 15401 D Stock Option 4.26 2005-03-04 4 M 0 7344 0.00 D 2000-10-20 2010-10-20 Common Stock 7344 189088 D Stock Option 4.26 2005-03-04 4 M 0 211 0.00 D 2000-10-20 2010-10-20 Common Stock 211 188877 D Stock Option 4.26 2005-03-04 4 M 0 3334 0.00 D 2000-10-20 2010-10-20 Common Stock 3334 185543 D Stock Option 4.26 2005-03-04 4 M 0 1667 0.00 D 2000-10-20 2010-10-20 Common Stock 1667 183876 D Stock Option 7.08 2005-03-04 4 M 0 5739 0.00 D 2002-05-02 2012-05-02 Common Stock 5739 178137 D Stock Option 7.08 2005-03-04 4 M 0 1080 0.00 D 2002-05-02 2012-05-02 Common Stock 1080 177057 D Stock Option 7.08 2005-03-04 4 M 0 6299 0.00 D 2002-05-02 2012-05-02 Common Stock 6299 170758 D Stock Option 0.12 2005-03-04 4 M 0 12875 0.00 D 1998-09-21 2008-09-21 Common Stock 12875 157883 D Stock Option 11.84 2005-03-04 4 M 0 1250 0.00 D 2000-09-01 2010-09-01 Common Stock 1250 156633 D Stock Option 3.78 2005-03-04 4 M 0 1476 0.00 D 2001-03-29 2011-03-29 Common Stock 1476 155157 D Stock Option 3.78 2005-03-04 4 M 0 18481 0.00 D 2001-03-29 2011-03-29 Common Stock 18481 136676 D Stock Option 3.78 2005-03-04 4 M 0 12543 0.00 D 2001-03-29 2011-03-29 Common Stock 12543 124133 D Stock Option 7.08 2005-03-07 4 M 0 6379 0.00 D 2002-05-02 2012-05-02 Common Stock 6379 117754 D Stock Option 7.08 2005-03-07 4 M 0 3500 0.00 D 2002-05-02 2012-05-02 Common Stock 3500 114254 D Stock Option 7.08 2005-03-07 4 M 0 2452 0.00 D 2002-05-02 2012-05-02 Common Stock 2452 111802 D Stock Option 7.08 2005-03-07 4 M 0 27921 0.00 D 2002-05-02 2012-05-02 Common Stock 27921 83881 D Stock Option 6.12 2005-03-07 4 M 0 1248 0.00 D 2002-07-19 2012-07-19 Common Stock 1248 82633 D Stock Option 6.12 2005-03-07 4 M 0 7500 0.00 D 2002-07-19 2012-07-19 Common Stock 7500 75133 D Stock Option 6.12 2005-03-07 4 M 0 3383 0.00 D 2002-07-19 2012-07-19 Common Stock 3383 71750 D Stock Option 6.12 2005-03-07 4 M 0 2452 0.00 D 2002-07-19 2012-07-19 Common Stock 2452 69298 D Stock Option 9.82 2005-03-07 4 M 0 89 0.00 D 2003-10-27 2013-10-27 Common Stock 89 69209 D Stock Option 9.82 2005-03-07 4 M 0 4076 0.00 D 2003-10-27 2013-10-27 Common Stock 4076 65133 D The $7.61 reflects the average exercise price from the Table II transactions reported on this form. The exact exercise amounts are 12,556 options at $4.26; 13,118 options at $7.08; 12,875 options at $.12; 1,250 options at $11.84; 32,500 options at $3.78; 40,252 options at $7.08; 14,583 options at $6.12; and 4,165 options at $9.82. The exact details are listed in Table II of this form. /s/ Matthew A. Lipson, by Power of Attorney for Craig Ogg 2005-03-21