December 15, 2005 U.S. Energy Systems Announces Hiring of Adam Greene as Senior Vice President November 28, 2005 U.S. Energy Systems Announces Continued NASDAQ Listing October 11, 2005 U.S. Energy Systems Announces Plans to Acquire Energy Assets August 23, 2005 U.S. Energy Systems Appoints CEO and President May 16, 2005 U.S. Energy Systems Restates Earnings for 2004 April 6, 2005 U.S. Energy Systems Retains Eisner LLP March 8, 2005 U.S. Energy Systems Addresses Trading Activity