MGM Resorts International (MGM) DEFA14A Additional proxy soliciting materials

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 (Amendment No.     )
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MGM Resorts International
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See the reverse side of this notice to obtain proxy materials and voting instructions. *** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on. 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. Meeting Information Meeting Type: For holders as of: Date: Time: Location: 0000141978_1 R1.0.0.11699 MGM RESORTS INTERNATIONAL Annual Meeting April 17, 2012 June 12, 2012 10:00 AM CDT Beau Rivage Theater Beau Rivage Resort & Casino 875 Beach Boulevard Biloxi, Mississippi 39530

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 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. How To Vote . XXXX XXXX XXXX Before You Vote How to Access the Proxy Materials Proxy Materials Available to VIEW or RECEIVE: How to View Online: Have the information that is printed in the box marked by the arrow (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 (located on the following page) in the subject line. . XXXX XXXX XXXX . XXXX XXXX XXXX 0000141978_2 R1.0.0.11699 1. Annual Report 2. Notice & Proxy Statement 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 29, 2012 to facilitate timely delivery.

Voting items 0000141978_3 R1.0.0.11699 The Board of Directors recommends you vote FOR the following: 1. Election of Directors Nominees 01 Robert H. Baldwin 02 William A. Bible 03 Burton M. Cohen 04 Willie D. Davis 05 Alexis M. Herman 06 Roland Hernandez 07 Anthony Mandekic 08 Rose McKinney-James 09 James J. Murren 10 Daniel J. Taylor The Board of Directors recommends you vote FOR the following proposals: 2 To ratify the selection of Deloitte & Touche LLP as the independent registered public accounting firm for the year ending December 31, 2012; 3 To approve, on an advisory basis, the compensation of the Company's named executive officers.