Bonsai Blast

FOR IMMEDIATE RELEASE

SAN MATEO, Calif. – September 23, 2008 – Glu Mobile Inc. (NASDAQ: GLUU), a leading global publisher of mobile games, today announced that Bonsai Blast, an all new action puzzle game from Glu, will launch on Android™, the first complete, open, and free mobile platform. Bonsai Blast will be available only in the Android Market.

“Our work with Android has given us the unique opportunity to explore the capabilities of this exciting new platform,” said Alex Galvagni, senior vice president of global production and chief technology officer, Glu. “By bringing together the technological innovation of Android with the creative and development expertise of Glu, we are now able to provide consumers with a great new gaming experience.”

About Bonsai Blast:

A new original title from Glu, Bonsai Blast is an addictive action-puzzle game that challenges players to shoot and match colored balls to clear more than 20 Zen levels of rich, detailed environments. Bonsai Blast advances the match-three marble popping category with unique features such as:

– Fast-paced action controlled by the touch-screen and accelerometer

– More than 20 levels themed with Water, Fire, Earth and Wind

– Gameplay variations via ricochets, tunnelled chains, and swappable shooter locations

– Gorgeous, detailed graphics which showcase the power of the Android platform

About Glu

Glu (NASDAQ:GLUU) is a leading global publisher of mobile games. Its portfolio of top-rated games includes original titles Super K.O. Boxing!, Stranded and Brain Genius, and titles based on major brands from partners including Atari, Activision, Konami, Harrah's, Hasbro, Warner Bros., Microsoft, PlayFirst, PopCap Games, SEGA and Sony. Founded in 2001, Glu is based in San Mateo, Calif. and has offices in London, France, Germany, Spain, Italy, Sweden, Poland, Russia, China, Brazil, Chile, Canada and Mexico. 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.

Cautions Regarding Forward-Looking Statements

This news release contains forward-looking statements, including statements related to the anticipated release of Bonsai Blast for Android. These forward-looking statements are subject to material risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements. Investors should consider important risk factors, which include: the risk that Bonsai Blast for Android may not be released; the risk that the games may not be accepted by consumers as anticipated; and other risks detailed under the caption “Risk Factors” in Glu’s most recent report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2008. Glu is under no obligation, and expressly disclaims any obligation, to update or alter its forward-looking statements whether as a result of new information, future events or otherwise.

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GLU MOBILE, GLU, SUPER K.O. BOXING, STRANDED, BONSAI BLAST and the 'g' character logo are trademarks of Glu Mobile Inc. Android is a trademark of Google Inc.

Press Contact:

Johanna Hakala

Indigo Pearl

Johanna@indigopearl.com

+44 (0) 208 964 4545