First Solar, Inc. designs and manufactures solar modules using a thin film semiconductor technology. The Company’s solar modules employ a thin layer of cadmium telluride semiconductor material to convert sunlight into electricity. Each solar module is approximately 2 feet by 4 feet (60 centimeters by 120 centimeters) and had an average rated power of approximately 73 watts, during the fiscal year ended December 27, 2008. Its solar module is a single-junction polycrystalline thin film structure that uses cadmium telluride as the absorption layer and cadmium sulfide as the window layer. The Company’s solar power systems and project development business provides a variety of integrated services to its customers as part of a system solution delivery. These services include solar power system design, procurement of permits and balance of system components, construction management, monitoring and maintenance.