Management’s Annual Report on Internal Control Over Financial Reporting Management’s Evaluation Management’s Responsibilities Objective of Internal Control Over Financial Reporting Management is responsible for establishing and maintaining adequate internal  control over financial reporting for MGM MIRAGE (a Delaware corporation) and subsidiaries (the “Company”). In establishing adequate internal control over financial reporting, management has developed and maintained a system of internal control, policies and procedures designed to provide reasonable assurance that information contained in the accom- panying consolidated financial statements and other information presented in this annual report is reliable, does not contain any untrue statement of a material fact or omit to state a material fact, and fairly presents in all material respects the financial condition, results of operations and cash flows of the Company as of and for the periods presented in this annual report. Significant elements of the Company’s internal control over financial reporting include, for example: Management has evaluated the Company’s internal control over financial reporting using the criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission. Based on their evaluation as of December 31, 2004, management believes that the Company’s internal control over financial reporting is effective in achieving the objectives described above. Deloitte & Touche LLP audited the Company’s consolidated financial statements as of and for the period ended December 31, 2004 and issued their report thereon, which is included in this annual report. Deloitte & Touche LLP has also issued an attestation report on management’s assessment and on the effectiveness of the Company’s internal control over financial reporting, and such report is also  included in this annual report. Report of Independent Registered Public Accounting Firm • Hiring skilled accounting personnel and training them appropriately; • Written accounting policies; • Written documentation of accounting systems and procedures; • Segregation of incompatible duties; • Internal audit function to monitor the effectiveness of the system of  internal control; • Oversight by an independent Audit Committee of the Board of Directors. 39