X0202 4 2004-11-12 0 0001095480 NETRATINGS INC NTRT 0001241918 MUIR DAVID 0 1 0 0 SVP Engineering & Operations Common Stock 2004-11-12 4 M 0 10000 14.875 A 10098 D Common Stock 2004-11-12 4 S 0 10000 18.75 D 98 D Common Stock 2004-11-12 4 M 0 10000 13.9 A 10098 D Common Stock 2004-11-12 4 S 0 10000 18.75 D 98 D Common Stock 2004-11-15 4 M 0 1000 14.875 A 1098 D Common Stock 2004-11-15 4 S 0 1000 20.03 D 98 D Common Stock 2004-11-15 4 M 0 200 14.875 A 298 D Common Stock 2004-11-15 4 S 0 200 20.02 D 98 D Common Stock 2004-11-15 4 M 0 2600 14.875 A 2698 D Common Stock 2004-11-15 4 S 0 2600 20.01 D 98 D Common Stock 2004-11-15 4 M 0 100 14.875 A 198 D Common Stock 2004-11-15 4 S 0 100 20 D 98 D Common Stock 2004-11-15 4 M 0 6100 14.875 A 6198 D Common Stock 2004-11-15 4 S 0 6100 19.99 D 98 D Common Stock 2004-11-15 4 M 0 1600 13.9 A 1698 D Common Stock 2004-11-15 4 S 0 1600 19.99 D 98 D Common Stock 2004-11-15 4 M 0 8400 13.9 A 8498 D Common Stock 2004-11-15 4 S 0 8400 19.98 D 98 D Common Stock 2004-11-16 4 M 0 5000 14.875 A 5098 D Common Stock 2004-11-16 4 S 0 5000 19.4 D 98 D Common Stock 2004-11-16 4 M 0 10000 13.9 A 10098 D Common Stock 2004-11-16 4 S 0 10000 19.4 D 98 D Non-Qualified Stock Option (right to buy) 13.9 2004-11-12 4 M 0 10000 0 D 2011-11-29 Common Stock 10000 45000 D Non-Qualified Stock Option (right to buy) 13.9 2004-11-15 4 M 0 1600 0 D 2011-11-29 Common Stock 1600 43400 D Non-Qualified Stock Option (right to buy) 13.9 2004-11-15 4 M 0 8400 0 D 2011-11-29 Common Stock 8400 35000 D Non-Qualified Stock Option (right to buy) 13.9 2004-11-16 4 M 0 10000 0 D 2011-11-29 Common Stock 10000 25000 D Non-Qualified Stock Option (right to buy) 14.875 2004-11-12 4 M 0 10000 0 D 2010-09-14 Common Stock 10000 15000 D Non-Qualified Stock Option (right to buy) 14.875 2004-11-15 4 M 0 1000 0 D 2010-09-14 Common Stock 1000 14000 D Non-Qualified Stock Option (right to buy) 14.875 2004-11-15 4 M 0 200 0 D 2010-09-14 Common Stock 200 13800 D Non-Qualified Stock Option (right to buy) 14.875 2004-11-15 4 M 0 2600 0 D 2010-09-14 Common Stock 2600 11200 D Non-Qualified Stock Option (right to buy) 14.875 2004-11-15 4 M 0 100 0 D 2010-09-14 Common Stock 100 11100 D Non-Qualified Stock Option (right to buy) 14.875 2004-11-15 4 M 0 6100 0 D 2010-09-14 Common Stock 6100 5000 D Non-Qualified Stock Option (right to buy) 14.875 2004-11-16 4 M 0 5000 0 D 2010-09-14 Common Stock 5000 0 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. Granted pursuant to the Company's 1998 Stock Option Plan. The option becomes exercisable as to 1/4 on 7/1/02 and 1/48 thereafter until 7/1/05 provided that the Reporting Person continues to be employed by the Company. Granted pursuant to the Company's 1998 Stock Option Plan. The option becomes exercisable as to 1/4 on 9/05/01 and 1/48 thereafter until 9/05/04 provided that the Reporting Person continues to be employed by the Company. By: Peter Piazza For: David Muir 2004-11-16