AMENDMENTSecurity Agreement • May 14th, 2004 • U S Energy Systems Inc • Electric, gas & sanitary services • New York
EXECUTION VERSION] AMENDMENT TO NOTE PURCHASE AGREEMENT Dated as of April 8, 2004 U.S. ENERGY BIOGAS CORP. (as successor to Zahren Alternative Power Corporation) AVON ENERGY PARTNERS, L.L.C. BMC ENERGY LLC BARRE ENERGY PARTNERS, L.P. BRICKYARD ENERGY...Note Purchase Agreement • May 14th, 2004 • U S Energy Systems Inc • Electric, gas & sanitary services • New York
EXECUTION COPY ROYALTY AGREEMENT This Royalty Agreement, dated as of April 8, 2004, is made by US Energy Biogas Corporation, a Delaware corporation ("USEB"), Countryside Canada Power Inc., a Canadian corporation ("Holder"), U.S. Energy Systems, Inc.,...Royalty Agreement • May 14th, 2004 • U S Energy Systems Inc • Electric, gas & sanitary services • New York
among U.S. ENERGY BIOGAS CORP. (as successor to Zahren Alternative Power Corporation) AVON ENERGY PARTNERS, L.L.C. BARRE ENERGY PARTNERS, L.P. BRICKYARD ENERGY PARTNERS, LLC BURLINGTON ENERGY, INC. CAPE MAY ENERGY ASSOCIATES, L.P. DEVONSHIRE POWER...Indenture of Trust and Security Agreement • May 14th, 2004 • U S Energy Systems Inc • Electric, gas & sanitary services • New York
