Windows Marketplace for Mobile

FOR IMMEDIATE RELEASE

Keef Sloan

Peppermint P for Glu Mobile Inc.

+44 207 240 2645

glu@peppermintp.com

Glu Announces Titles for Windows® Marketplace for Mobile

Leading Global Publisher Launches Availability of Hit Titles TRANSFORMERS™: Revenge of the Fallen and World Series of Poker® Pro Challenge

San Mateo, Calif. – October 6, 2009 – Glu Mobile Inc. (Nasdaq: GLUU), a leading global publisher of mobile games, today announced that it will participate with showcase placement in the Windows® Marketplace for Mobile worldwide launch on October 6th. Launching are some of Glu’s most successful brands, including hit titles TRANSFORMERS™: Revenge of the

Fallen and World Series of Poker® Pro Challenge. Windows Marketplace for Mobile is a new mobile storefront from Microsoft Corp. that gives users access to quality games and applications through a great shopping experience.

“Windows Marketplace for Mobile provides a great distribution channel for Glu games and we are excited to continue our support of Microsoft’s efforts to innovate in line with changing consumer demand,” said Greg Ballard, President and CEO, Glu Mobile. “We look forward to continue providing consumers the opportunity to easily access quality games via the Windows Marketplace for Mobile.”

“Windows Marketplace for Mobile represents a great opportunity for mobile application publishers, developers and users everywhere,” said Jason Lim, director of ISV and developer experience at Microsoft. “We welcome Glu Mobile’s first releases on Windows Marketplace for Mobile and look forward to continued innovative and quality titles in the future.”

Titles that will be available at launch:

•TRANSFORMERS: Revenge of the Fallen: Based on last summer’s blockbuster movie, TRANSFORMERS: Revenge of the Fallen.

•World Series of Poker Pro Challenge: Offering players the opportunity to go head-to-head in a mobile poker match against digital representations of some of poker’s biggest celebrities.

Glu titles will be available for purchase from Windows Marketplace for Mobile beginning October 6th. For more information, visit www.glu.com or http://marketplace.windowsphone.com. For live updates, follow Glu on Twitter at www.twitter.com/glumobile or become a Glu fan on Facebook at www.facebook.com/glu.mobile.

For more information contact:

UNITED KINGDOM

Keef Sloan

Peppermint P for Glu Mobile Inc.

+44 207 240 2645

glu@peppermintp.com

UNITED STATES

Michaela Wilkinson

Dig Communications for Glu Mobile Inc.

415.233.4075

mwilkinson@digcommunications.com

About Glu

Glu (NASDAQ:GLUU) is a leading global publisher of mobile games. Its portfolio of top-rated games includes original titles Bonsai Blast, Brain Genius, Glyder, Stranded, Super K.O. Boxing! and titles based on major brands from partners including Activision, Atari, Fox Mobile Entertainment, Harrah's, Hasbro, Konami, Microsoft, PlayFirst, PopCap Games, SEGA, Sony and Warner Bros. Founded in 2001, Glu is based in San Mateo, Calif. and has offices in Brazil, Canada, Chile, China, England, France, Germany, Italy, Mexico, Poland, Russia and Spain. Consumers can find high-quality, fresh entertainment created exclusively for their mobile phones wherever they see the 'g' character logo or at www.glu.com.

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BONSAI BLAST, BRAIN GENIUS, GLU, GLU MOBILE, STRANDED, SUPER K.O. BOXING! and the 'g' character logo are trademarks of Glu Mobile Inc.

All product and company names mentioned herein may be the trademarks of their respective owners.