MTV NETWORKS’ XFIRE ONLINE GAME COMMUNITY SURPASSES FIVE MILLION REGISTERED USER MARK AND CONTINUES RAPID GROWTH

Free Service For PC And Console Game Players, Xfire Offers A Quick And Easy Solution To Find And Play With Friends Online

MENLO PARK, CA (September 28, 2006) – The fastest growing online gaming community on the Internet, Xfire announced today it recently crossed five million registered users and supports 630 of the most popular PC games worldwide. Xfire’s goal is “gaming simplified,” offering gamers a quick and easy destination for finding their friends online to play their favorite games. Xfire is a division of Viacom Inc.’s (NYSE: VIA, VIA.B) MTV Networks.

“Surpassing the five million registered user mark is a huge milestone for Xfire - we have truly become gamers’ online game community of choice,” said Mike Cassidy, CEO of Xfire, Inc. “The future looks even brighter as we continue to grow our stable of features, services and online events, as well as our reach beyond PC gamers to include console gamers as well.”

Xfire is a free product that is supported by advertising. It provides valuable services to gamers that enrich their online game playing experiences including friend tracking, a one-click option to join friends’ games, a server browser; in-game messaging, peer-to-peer file downloading, automated player profiles and voice chat.

In addition to having many multiplayer communication services and features, Xfire is also the largest host of online gaming events on the Internet. Xfire and its advertisers sponsor online events where members can play with pro gamers, join in online chats with celebrities, and participate in machinima contests involving their favorite games. Over 250,000 gamers have participated in these online events which have been sponsored by Pepsi, Cadbury, ATI, Intel, Taco Bell, 20th Century Fox, Electronic Arts and others. Over six million gamers read about these events online.

About Xfire, Inc.
Xfire, Inc. is the fastest growing online gaming platform and community in the world helping gamers to easily connect, chat and play with their friends online. Xfire is a free service that allows gamers to easily browse for game servers, chat with friends through IM and voice chat, as well as download the latest updates and additions to their favorite games. With more than five million members in over 100 countries, Xfire is an international community connecting gamers around the globe. Xfire is a wholly owned subsidiary of MTV Networks and is based in Menlo Park, CA.

MTV Networks
MTV Networks, a unit of Viacom (NYSE: VIA, VIA.B), is one of the world’s leading creators of programming and content across all media platforms. MTV Networks, with more than 130 channels worldwide, owns and operates the following television programming services – MTV: MUSIC TELEVISION, MTV2, VH1, mtvU, NICKELODEON, NICK at NITE, COMEDY CENTRAL, TV LAND, SPIKE TV, CMT, NOGGIN, VH1 CLASSIC, LOGO, MTVN INTERNATIONAL and THE DIGITAL SUITE FROM MTV NETWORKS, a package of 13 digital services, with all of these networks trademarks of MTV Networks. MTV Networks connects with its audiences through its robust consumer products businesses and its more than 100 interactive properties worldwide, including GameTrailers.com, IFILM, Neopets, Xfire, Y2M, and online, broadband, wireless and interactive television services. MTV Networks also has licensing agreements, joint ventures, and syndication deals whereby all of its programming services can be seen worldwide.