Delivers More and Higher-Quality Images and Expanded International Coverage, New Options Let Users Further Refine News Searches

PALO ALTO, Calif. - February 12, 2003 - AltaVista Company, a leading global provider of search services and a majority-owned operating company of CMGI, Inc. (Nasdaq: CMGI), has launched an expanded version of its multimedia index, with over 240 million unique media files, including images, video clips, MP3 and other audio files. In addition, the company has added new search parameters to its popular News search, enabling visitors to better pinpoint articles of interest to them. The enhanced index and new features represent the company's continuing commitment to the advancement of search technology and the delivery of the most comprehensive multimedia and news search capabilities on the Internet.

"We have seen increasing interest in multimedia and news search capabilities, and have enhanced our multimedia index to meet this growing demand. Today's announcement represents another milestone in our plan to further integrate multimedia with our core results, and to provide the most robust multimedia and news resources on the Web," said Fred Bullock, Chief Marketing Officer of AltaVista Company. "Our expanded multimedia index positions us to go well beyond the traditional boundaries of Web-page search by incorporating richer media options. The new options in our News search further extend our leadership position in this area, as we execute on our long term plan to provide the most comprehensive search experience on the Web."

More Multimedia
AltaVista's enhanced multimedia index boasts larger images and more .jpeg files as well as expanded worldwide coverage, with access to more international image files. In addition, the company has applied a new proprietary relevance algorithm for delivering even more targeted, relevant results to users' searches. Advanced filtering enhancements enable the company to deliver higher quality images and screen out `noise' images such as buttons and spacer. gifs used in HTML construction.

New Features in News 2.0
AltaVista has enhanced its powerful News 2.0 search to give users even greater functionality when searching news articles. Visitors can now search AltaVista's comprehensive news index specifically for articles with images. They also can limit their search to articles within a specific date range, which is useful not only for in-depth research in the news index, but also for very targeted information needs in a given period of time. These new search parameters enable users to better pinpoint their search for articles from AltaVista's index of over four million articles from 3,000 sources, worldwide. Combining these new features with the existing set of powerful refinement options such as search by date, topic, region or specific source, gives the user even more power and functionality for news searches.

About AltaVista Company
Internet search pioneer AltaVista Company is a leading global provider of search services and technology. The company continues to advance Internet search with new technologies and features designed to improve the search experience for all users. Built on a foundation of over 57 technology patents, with innovations in multilingual and translation support, AltaVista provides integrated search results to give users immediate access to relevant information including Web pages, multimedia files and up-to-the-minute news. Headquartered in Palo Alto, Calif., AltaVista is a majority-owned operating company of CMGI, Inc. (Nasdaq: CMGI). For more information see http://www.altavista.com.

AltaVista is a registered trademark of AltaVista Company.
This press release contains forward-looking statements within the meaning of the federal securities laws. These forward-looking statements include without limitation statements that AltaVista's users will want to use the new features of AltaVista's search services. These forward-looking statements are subject to risks and uncertainties that could cause actual results and events to differ materially from those described in the forward-looking statements. These risks and uncertainties include, among others, the implementation of the new features and services described herein may not be successful or may not generate revenue or other economic benefit for AltaVista. For a discussion of other risks that could cause actual results or events to differ materially from such forward-looking statements, see CMGI, Inc.'s filings with the Securities and Exchange Commission, including its Quarterly Report on Form 10-Q for the most recently ended fiscal quarter. AltaVista undertakes no obligation to update forward-looking statements to reflect events or circumstances occurring after the date of this press release.

Media Contact:
Judith Schwartz
650-320-7319
judith.schwartz@av.com