4. Energy XXI (Bermuda) is an independent oil and natural gas exploration and production company with business interests in the U.S. Gulf Coast and Gulf of Mexico. Energy XXI reported earnings before interest, tax, and depreciation of $166 million for its fourth quarter of fiscal 2011. That compares with $79 million in the same quarter of fiscal 2010. Net profit was $36 million on revenue of $282 million and production of 42,100 barrels of oil equivalent (boe) per day. The results include contributions from acquisitions made in certain Gulf of Mexico properties. Higher cash flows and improved production strengthened the company's balance sheet as it has managed to reduce debt by $200 million during the final six months of fiscal 2011. The stock has gained 32% in the last year and is trading with a P/E of 9.6, based on estimated 2011 earnings. Of the 14 analysts covering the stock, 13 rate it a buy. The stock is expected to gain 61% over the next one year, according to analysts' surveyed by Bloomberg.