UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

Filed by the Registrant  x                             Filed by a party other than the Registrant  ¨

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¨ Preliminary Proxy Statement

¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨ Definitive Proxy Statement

x Definitive Additional Materials

¨ Soliciting Material Pursuant to §240.14a-12

GLU MOBILE INC.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than The Registrant)

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*** Exercise Your Right to Vote ***
Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on June 05, 2014
GLU MOBILE INC.
gluTM
GLU MOBILE INC.
500 HOWARD STREET, SUITE 300
SAN FRANCISCO, CA 94105
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Meeting Information
Meeting Type: Annual Meeting
For holders as of: April 09, 2014
Date: June 05, 2014 Time: 10:00 AM PST
Location: Glu Mobile’s Offices
500 Howard Street, Suite 300
San Francisco, CA 94105
You are receiving this communication because you hold shares in the above named company.
This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).
We encourage you to access and review all of the important information contained in the proxy materials before voting.
See the reverse side of this notice to obtain proxy materials and voting instructions.

- Before You Vote -
How to Access the Proxy Materials
Proxy Materials Available to VIEW or RECEIVE:
1. Notice and Proxy Statement and Annual Report on Form 10-K
How to View Online:
Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX (located on the following page) and visit: www.proxyvote.com.
How to Request and Receive a PAPER or E-MAIL Copy:
If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:
1) BY INTERNET: www.proxyvote.com
2) BY TELEPHONE: 1-800-579-1639
3) BY E-MAIL*: sendmaterial@proxyvote.com
* If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow XXXX XXXX XXXX (located on the following page) in the subject line.
Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 22, 2014 to facilitate timely delivery.
- How To Vote -
Please Choose One of the Following Voting Methods
Vote In Person: Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.
Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX available and follow the instructions.
Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.
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Voting items
The Board of Directors recommends you vote
FOR the following:
1. Election of Directors
Nominees
01 Hany M. Nada
02 Benjamin T. Smith, IV
The Board of Directors recommends you vote FOR proposals 2 and 3.
2 An advisory vote to approve the compensation paid to Glu’s named executive officers.
3 Ratification of the appointment of PricewaterhouseCoopers LLP as Glu’s independent registered public accounting firm for the fiscal year ending December 31, 2014.
NOTE: To act upon such other business as may properly come before the meeting or any adjournment thereof.
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