December 19, 2006
Court In U.S. Energy Biogas Reorganization Confirms Elimination Of Countryside's Equity Conversion Right

December 12, 2006
U.S. Energy Systems Names New Independent Director To Board

December 11, 2006
U.S. Energy Systems Appoints Henry Schneider Chief Executive Officer Of Subsidary
U.S. Energy Overseas Investments

December 11, 2006
U.S. Energy Systems Announces Retirement Of Chairman Lawrence Schneider

December 6, 2006
New Uk Gas Well Fuels Full Capacity Turbine Operations, Improved Reserve Profile For U.S. Energy Systems And Uk Energy Systems

December 1, 2006
U.S. Energy Biogas Corp. Receives Court Approval Of Critical "First Day Pleadings"

November 29, 2006
U.S. Energy Biogas Corp. Files To Restructure Flawed Loan Agreement Under Chapter 11
And Unlock Shareholder Value

November 7, 2006
U.S. Energy Systems Highlights Corporate Growth Strategy At Annual Shareholders Meeting

November 2, 2006
U.S. Energy Systems Highlights Corporate Growth Strategy And Uk Unit's Progress In Investor Meetings

October 24, 2006
U.S. Energy Systems Reports Estimated Pro Forma Historical Financial Information Incorporating
Recent UK Transactions

August 10, 2006
U.S. Energy Systems Launches UK Natural Gas E&P Growth Strategy With Closings of Transformative Acquisitions

August 7, 2006
U.S. Energy Systems Announces Completion of Knapton Power and Gas Acquisiton and Financing

June 20, 2006
U.S. Energy Systems Announces Change In Principal Auditor

May 22, 2006
U.S. Energy Systems Announces Acquisition of Minority Partners interest in its UK transaction

May 1, 2006
U.S. Energy Systems Announces that it has engaged Credit Suisse Securities (USA) LLC to act as its Arranger for the financing of its UK transaction

April 28, 2006
U.S. Energy Systems Announces the Appointment of Gary Neus as Chief Financial Officer of UK Energy Systems

April 4, 2006
U.S. Energy Systems Announces Conversion of Series Preferred D Convertible Preferred Stock

March 16, 2006
U.S. Energy Systems Files Current Report on Form 8-K Providing Additional Details on UK Acquisition

March 10, 2006
U.S. Energy Systems Announces Jeffrey Grous Has Been Named Vice President/Controller

March 9, 2006
U.S. Energy Systems Announces Agreement to Acquire 62.4 Billion Cubic Feet of Onshore Gas
in the United Kingdom

January 13, 2006
U.S. Energy Systems Announces Relocation of Executive Offices