High Efficiency Biogas Cogeneration Plant for the University of Wisconsin Oshkosh to produce Electricity & Heat

Orange Park, FL – December 30th 2010

Earlier this year the University of Wisconsin Oshkosh (UWO) decided to build the first dry fermentation
anaerobic bio-digester in the nation, which will convert yard and food waste into biogas. The renewable
energy facility is designed by BIOFerm Energy Systems, a leading expert that delivers a wide array of
turnkey energy solutions using biomass and organic waste as the primary feed stock.

The 370 kWh biogas CHP cogeneration system, to be supplied by 2G-CENERGY, will be located on
Dempsey Trail, adjacent to the Witzel Avenue Campus Service Center at the University of Wisconsin
Oshkosh. UWO owns and operates the biogas and cogeneration plant.

The plant is expected to produce 4183 MW of thermal energy and 3071 MW of electricity per year, to be
utilized by the University Campus, with any excess power sold to the grid. The combined heat and power
plant uses the 2G® optimus® 370BG, an optimized MAN® cogeneration gas engine fully integrated into the
unique 2G® biogas cogeneration technology package, especially developed for biogas operations. The
plant is fully containerized and will be supplied as an “all-in-one” and “connection-ready” module. Benefits
over conventional gas engines include much higher efficiency, reliability, durability, extended life, and less
maintenance cost.

2G®’s output-optimized cogeneration CHP (combined heat and power) modules have been installed at
more than 1500 biogas plants around the world. “This is the first dry anaerobic bio-digester plant in the
United States, and the management of BIOFerm, as well as the University Executives at UWO, searched
the market for the most reliable and proven biogas CHP cogeneration technology available. They
selected the 2G product, and we are pleased with this decision,… says Michael Turwitt, President & CEO
of 2G-CENERGY Power Systems Technologies Inc. “When you invest millions of dollars in a biogas
production facility, you don’t want to take chances when it comes to converting valuable biogas into
electrical and thermal energy. For a project like this there is no room for trial & error, and the University of
Wisconsin Oshkosh, with their partner BIOFerm, concluded that our technology is the most proven,
reliable, and cost-effective solution,… Michael Turwitt adds.

The increased degree of reliability and electrical efficiency is crucial for successful biogas plant
operations. “At the end of the day, every additional percent of increased efficiency makes a huge
contribution to the overall project bottom line, resulting in more profitability and a much better economy for
the system operator”,… says Christian Grotholt, President & CEO of the 2G Group of Companies.

Extremely successful in Europe for many years, dry fermentation biogas facilities are becoming
increasingly popular in the USA. Utilizing high solids organic waste (25% solids or higher) this technology
produces biogas through a specialized process. Biogas production from low cost organic waste streams
enables operators to generate on-demand, carbon-neutral energy while controlling rising energy costs
and reducing their carbon foot print.

The 2G biogas combined heat and power (CHP) plant — the first genuine biogas cogeneration plant of
this kind to be operated by UWO — has enough capacity to power a large portion of the University
Campus. An extension is planned for 2012.

“2G biogas CHP systems have proven their value and reliability to more than 1500 operators. We are
proud to partner with BIOFerm and the University of Wisconsin Oshkosh as they continue to install
generating capacity using the renewable energy resources of Wisconsin. As the U.S. market for biogas
power continues to develop even further, 2G-CENERGY will continue to create clean energy jobs in
America. We are planning to establish our fourth 2G production plant right here in the U.S. as soon as the
market volume will increase to a sustainable level”,… explained Michael Turwitt.

Just a few weeks earlier, the City of Guelph decided to purchase a 2G natural gas fueled cogeneration
system to be installed at the West End Community Center in Guelph, located 100 miles N.W. of Buffalo,
NY. The 2G cogeneration system was selected for its outstanding quality and unique design features
which include “best-in-class” optimized high efficiency gas engine technology, factory designed, with fully
integrated heat recovery system, and unique container module enclosure. This 400ekW CHP system was
sold and will be serviced by 2G’s exclusive Canadian Distributor EPS Ltd.

Besides being more efficient, 2G® cogeneration systems with low-emission generation capability are
designed and manufactured “connection ready”. All plants are fully factory tested and come as complete
modules. This allows for extreme fast and cost-effective installation, increases product reliability, and
assures trouble-free operations.

About 2G – CENERGY Power Systems Technologies Inc.
Headquartered in Orange Park, FL, 2G – CENERGY Power Systems Technologies Inc. is a US Corporation
owned by 2G Bio-Energy Technology Corporation (2G Bio-Energietechnik AG) Germany, and its US senior
management team. 2G is a long-established company publically traded at the Frankfurt Stock Exchange. 2G
Bio-Energietechnik AG is one of Germany’s leading manufacturers of combined heat and power (CHP)
systems, with more than 1500 cogeneration plants installed. The company’s CHP power plants guarantee
extreme high energy efficiency, extracted and generated from biogas, landfill gas, sewage gas, coal mine
gas, natural gas, syngas and other specialty gaseous fuels. 2G-CENERGY provides technologically
advanced and clean systems to generate electricity and heat, while reducing CO2 emissions and greenhouse
gases. All plants are designed and manufactured “connection-ready”.

More information at: http://www.2g-cenergy.com Contact: Michael J. Turwitt, President & CEO, e-mail:
[email protected] Tel: +1-904-579-3217 and +1-904-579-3057