Green Day: Rock Band

Cambridge, MA – May 25, 2010 - Harmonix Music Systems and MTV Games, a part of Viacom’s MTV Networks (NYSE: VIA, VIA.B), announced today that a demo of Green Day: Rock Band – featuring full versions of “Welcome to Paradise” and “Boulevard of Broken Dreams” – will be released on Tuesday, May 25th, via Xbox LIVE® Marketplace for the Xbox 360® video game and entertainment system from Microsoft in North America and Europe. In addition, the demo will be released on Tuesday, May 25th for the PlayStation®Network in North America and on Wednesday, June 2nd for the PlayStation®Network in Europe.

These select tracks are featured in the soon-to-be-released Green Day: Rock Band and features full integration of motion capture band performances and the three-part harmony technology first introduced in last year’s award-winning The Beatles: Rock Band.

Green Day: Rock Band is currently available for pre-order and will ship in North America on June 8, 2010 and in Europe on June 11, 2010 on Xbox 360® video game and entertainment system from Microsoft, PlayStation®3 computer entertainment system and Wii™ home video game system from Nintendo.

Green Day: Rock Band pricing is as follows:

Green Day: Rock Band standalone game for Xbox 360/PlayStation 3 systemUS MSRP $59.99, continental Europe MSRP €59.99, UK MSRP £49.99 Green Day: Rock Band standalone game for Wii systemUS MSRP $49.99, continental Europe MSRP €39.99, UK MSRP £34.99Green Day: Rock Band PLUS for Xbox 360/PlayStation 3 system (US/Canada only)US MSRP $69.99Includes collectable packaging, song export key and six Green Day downloadable song tracks ($22 total value)

For more information on special pre-order deals, check out the following retailers:

Amazon ( www.amazon.com) – Pre-order Green Day: Rock Band and get $10 off a future video game purchase.GameStop ( www.gamestop.com) – Reserve Green Day: Rock Band and receive a code which allows you to export all 47 Green Day game songs into your Rock Band Music Library. Available online and in-store while supplies last.Walmart ( www.walmart.com) – Pre-order Green Day: Rock Band and receive a $10.00 Walmart eGift card.HMV in the UK ( www.hmv.com) – Pre-order or buy Green Day: Rock Band and receive a £25.00 Seatwave discount code for a future live event ticket purchase.

The Green Day: Rock Band demo is compatible with all Rock Band™ and The Beatles™: Rock Band™ peripherals, as well as most third-party instruments and microphones.

For more information about Green Day: Rock Band, please visit www.greendayrockband.com/press.

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About MTV Networks

MTV Networks, a division of Viacom (NYSE: VIA, VIA.B), is one of the world’s leading creators of entertainment content, with brands that engage and connect diverse audiences across television, online, mobile, games, virtual worlds and consumer products. The company’s portfolio spans more than 150 television channels and 350 digital media properties worldwide, and includes MTV, VH1, CMT, Logo, Harmonix, Nickelodeon, Nick at Nite, Noggin, The N, AddictingGames, Neopets, COMEDY CENTRAL, Spike TV, TV Land, Atom, Gametrailers and Xfire.

About MTV Games

MTV Games is dedicated to creating, marketing and publishing high-quality, innovative interactive products that are relevant to the MTV audience and complement the core values of the MTV Networks brands.

About Harmonix Music Systems, Inc

Harmonix Music Systems, Inc., based in Cambridge, MA, and established in 1995, is the leading developer of groundbreaking music-oriented videogames. Harmonix was founded by Alex Rigopulos and Eran Egozy, who formed the company to invent new ways for non-musicians to experience the unique joy that comes from making music and have pioneered music and rhythm gaming in the US. For more information please visit www.harmonixmusic.com.

© 2010 Harmonix Music Systems, Inc. All Rights Reserved. Harmonix, Rock Band, Rock Band 2, Rock Band 3, Rock Band Network and all related titles and logos are trademarks of Harmonix Music Systems, Inc., a MTV Networks company. Rock Band, Rock Band 2, Rock Band 3, Rock Band Network and Green Day: Rock Band developed by Harmonix Music Systems, Inc. MTV: Music Television, MTV Games and all related titles and logos are trademarks of MTV Networks, a division of Viacom International Inc. All other marks are the property of their respective owners.

PRESS CONTACTS:

For MTV Games / Harmonix:

Jeff Castaneda

Phone: 212-846-6774

Email: jeff.castaneda@mtvstaff.com

Mariana Agathoklis

Phone: 212-846-5755

Email: mariana.agathoklis@mtvstaff.com