Plug Power Inc. (Plug Power) is a development-stage enterprise involved in the design, development and manufacture of onsite energy systems for energy consumers worldwide. The Company is focused on platform-based systems, which include proton exchange membrane (PEM), fuel cell and fuel processing technologies, from which multiple products are being offered or are under development. The Company’s GenCore product, designed for intermittent or back-up power demands, has been deployed with multiple telecommunications carriers and utility customers in North and South America, Europe, Japan and South Africa. It is also developing additional products for continuous run power applications and started field-testing of the next-generation GenSys, its continuous run product, during the year ended December 31, 2005. In April 2007, the Company acquired Cellex Power Products Inc. In May 2007, the Company announced the acquisition of General Hydrogen Corporation.