Energy XXI Announces Fiscal 2011 Third-Quarter Earnings Release Date and Conference Call

HOUSTON, April 15, 2011 (GLOBE NEWSWIRE) — Energy XXI (Nasdaq:EXXI) (LSE:EXXI) today announced it will host a conference call on Thursday April 28, 2011, at 9 a.m. CST�(3�p.m. London time) to discuss fiscal 2011 third-quarter financial and operating results for the period ended March�31, 2011.�Results will be released through global newswire services the prior evening and will be available at www.EnergyXXI.com.

To actively participate on the conference call, please call the dial-in number below about 5 minutes before the scheduled start time. Those who wish to view the presentation materials, or to participate in listen-only mode, should access the event through the company’s web site, www.EnergyXXI.com. �A replay of the call will be archived and available on the web site following the live call.

ENERGY XXI FISCAL 2011 THIRD-QUARTER CONFERENCE CALL

• 
  April 28, 2011 � 9 a.m. CST (3 p.m. London time)


• 
  Live Dial-in (Confirmation Code 37266770)

• 
  U.S.: ��1 (631) 813-4724

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  U.K.: �(0) 80 0051 3806

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  Presentation Slides, Live Listen-Only and Replay: �www.EnergyXXI.com

About the Company

Energy XXI is an independent oil and natural gas exploration and production company whose growth strategy emphasizes acquisitions, enhanced by its value-added organic drilling program. The company’s properties are located in the U.S. Gulf of Mexico waters and the Gulf Coast onshore.�Seymour Pierce is Energy XXI’s listing broker in the United Kingdom. �To learn more, visit the Energy�XXI website at www.EnergyXXI.com.

The Energy XXI logo is available at http://ping.fm/1bzVe

CONTACT: Energy XXI
         Stewart Lawrence
         Vice President, Investor Relations and Communications
         713-351-3006
         slawrence@energyxxi.com

         Energy XXI
         Greg Smith
         Director, Investor Relations
         713-351-3149
         gsmith@energyxxi.com

         Pelham Bell Pottinger
         James Henderson
         jhenderson@pelhambellpottinger.co.uk
         Mark Antelme
         mantelme@pelhambellpottinger.co.uk
         +44 (0) 20 7861 3232

         Seymour Pierce - UK AIM Adviser
         Jonathan Wright/
         Jeremy Porter - Corporate Finance
         Richard Redmayne - Corporate Broking
         Tel: +44 (0) 20 7107 8000

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