Viacom's MTV Networks Completes Acquisition of Harmonix Music Systems, Inc.

Viacom's MTV Networks Completes Acquisition of Harmonix Music Systems, Inc.

NEW YORK, Oct. 30 /PRNewswire-FirstCall/ -- MTV Networks, a unit of Viacom Inc. (NYSE:VIA)(NYSE:and)(NYSE:VIA.B), announced today that on October 27, 2006, it closed its $175 million acquisition of Harmonix Music Systems, Inc., the developer of the PlayStation 2 hit Guitar Hero and other music gaming titles. The Company announced it had reached a definitive agreement to acquire Harmonix on September 22, 2006.

About Harmonix Music Systems, Inc.

Harmonix is a videogame development company based in Cambridge, MA. The company specializes in music-based games and is renowned for groundbreaking design innovation. Harmonix was founded in 1995 by Alex Rigopulos (CEO) and Eran Egozy (CTO), who met while working in the computer music group at the MIT Media Laboratory. Alex and Eran formed Harmonix initially not to develop videogames, but rather to invent new ways for non-musicians to experience the unique joy that comes from making music. (http://www.harmonixmusic.com/)

About Viacom

Viacom is a leading global entertainment content company, with prominent and respected brands in focused demographics. Offering programming and content for television, motion pictures and digital platforms, Viacom's world- class brands include MTV Networks (MTV, VH1, Nickelodeon, Nick at Nite, Comedy Central, CMT: Country Music Television, Spike TV, TV Land, Logo and more than 130 networks around the world), BET Networks, Paramount Pictures, Paramount Home Entertainment, DreamWorks and Famous Music. More information about Viacom and its businesses is available at www.viacom.com.

FCMN Contact: james.bombassei@viacom.com

Source: Viacom Inc.

CONTACT: Media: Jeremy Zweig, +1-212-846-7503, jeremy.zweig@viacom.com,
or Investors: James Bombassei, +1-212-258-6377, james.bombassei@viacom.com,
both of Viacom Inc.

Web site: http://www.viacom.com/

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