Bringing together energy producers and investors around the world, Macquarie Connections arranges frequent, high-quality corporate access events, such as non-deal roadshows, client trips, site tours, specialist seminars and conferences. In 2010, Macquarie held 45 non-deal roadshows and four client tours in the US for the oil and gas and energy sectors. Through these events, they connected 275 investors with more than 49 producers.For more information: www.macquarie.com/energy About Whiting Petroleum Corporation Whiting Petroleum Corporation (NYSE: WLL), a Delaware corporation, is an independent oil and gas company that explores for, develops, acquires and produces crude oil, natural gas and natural gas liquids primarily in the Rocky Mountain, Permian Basin, Mid-Continent, Michigan and Gulf Coast regions of the United States. The Company's largest projects are in the Bakken and Three Forks plays in North Dakota and its Enhanced Oil Recovery fields in Oklahoma and Texas. For further information, please visit http://www.whiting.com. About Energy XXI Energy XXI (NASDAQ: EXXI) 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. Energy XXI has implemented an "acquire and exploit" growth strategy to build a geographically focused portfolio with some of the highest per-unit margins in the industry. Energy XXI completed five major acquisitions totaling approximately $2.5 billion since its founding in October 2005. Energy XXI operates or has an interest in seven of the 11 largest oil fields in the Gulf of Mexico. For further information, please visit http://www.energyxxi.com. About Vinson & Elkins Consistently named the "World's Leading Energy Law Firm" by Euromoney's Expert Guide to the World's Leading Energy & Natural Resource Lawyers, Vinson & Elkins assists clients involved in all facets of the energy and natural resources industry. V&E can draw upon the skills and experience of more than 700 attorneys in its 16 global offices, over 400 of whom spend more than half their time on energy industry transactions.