SOURCE: NetRatings, Inc.

October 06, 2006 13:00 ET

NetRatings Expands Patent Enforcement Program

NEW YORK, NY -- (MARKET WIRE) -- October 6, 2006 -- NetRatings, Inc. (NASDAQ: NTRT), a global leader in Internet media and market research, today announced the expansion of its patent enforcement program and the filing of lawsuits against four companies, alleging infringement of patents owned or controlled by NetRatings. NetRatings has filed complaints in federal courts in the District of Oregon against WebTrends, Inc.; the District of Minnesota, Fourth Division, against Digital River, Inc. and its subsidiary, Fireclick, Inc.; and the Southern District of New York against TACODA, Inc. The NetRatings patent portfolio, which relates generally to the collection, analysis and reporting of information concerning Internet and/or computer usage and activity, includes United States Patent Nos. 5,675,510; 5,796,952; 6,108,637; 6,115,680; 6,138,155; 6,643,696 and 6,763,386. Several of these patents were asserted in the lawsuits.

Under the company's patent enforcement program, NetRatings has entered into patent licensing agreements with Omniture, Inc., Coremetrics, Inc., SageMetrics Corp., Unica Corp., and Visual Sciences. In addition to the complaints announced today, NetRatings has patent infringement suits pending against WebSideStory, Inc., WhenU.com, Inc., and 180solutions, Inc.

About NetRatings

NetRatings, Inc. (NASDAQ: NTRT) delivers leading Internet media and market research solutions, marketed globally under the Nielsen//NetRatings brand. With high quality, technology-driven products and services, Nielsen//NetRatings enables clients to make informed business decisions regarding their online strategies. The Nielsen//NetRatings product portfolio includes panel-based and site-centric Internet audience measurement services, online advertising intelligence, user lifestyle, demographic and product brand preferences data, Internet reach and frequency planning tools, and custom data, research and analysis. For more information, visit www.nielsen-netratings.com

Safe Harbor Statement

This press release contains statements that may constitute forward-looking statements pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are based on current expectations and assumptions and involve a number of uncertainties and risks that could cause actual results to differ materially from those currently expressed in any such forward-looking statements. Information about potential factors that may affect NetRatings' business and financial results is included in its annual report on Form 10-K for the fiscal year ended Dec. 31, 2005 and its quarterly reports on Form 10-Q, including, without limitation, under the captions "Management's Discussion and Analysis of Financial Condition and Results of Operations" and "Risk Factors That May Affect Our Performance." Each of these documents is on file with the SEC and is available free of charge. Readers of this press release are referred to such filings. The forward-looking statements herein speak only as of the date of this press release. NetRatings does not undertake to update any forward-looking statement that may be made from time to time by it or on behalf of NetRatings.

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