POWER SOLUTIONS INTERNATIONAL, INC.

Business Overview Power Solutions International, Inc., incorporated under the laws of the state of Delaware in 2011, designs, engineers, manufactures, markets and sells a broad range of advanced, emission-certified engines and power systems that are powered by a wide variety of clean, alternative fuels, including natural gas, propane, and biofuels, as well as gasoline and diesel options, within the power systems, industrial and transportation end markets. The Company manages the business as a single reportable segment. The Company’s products are primarily used by global original equipment manufacturers ( OEMs ) and end-user customers across a wide range of applications and equipment that includes standby and prime power generation, demand response, microgrid, combined heat and power, arbor equipment, material handling (including forklifts), agricultural and turf, construction, pumps and irrigation, compressors and utility vehicles. The Company provides highly engineered, comprehensive solutions designed to meet specific customer application requirements and technical specifications, including those imposed by environmental regulatory bodies, including the U.S. Environmental Protection Agency ( EPA ), the California Air Resources Board ( CARB ), the People’s Republic of China’s Ministry of Ecology and Environment ( MEE ) and regulatory bodies within the European Union ( EU ). The Company’s products include both sourced and internally designed and manufactured engines that are engineered and integrated with associated components.