UQM Technologies, Inc . (NYSE Amex: UQM) announces the introduction of its most powerful electric propulsion system ever: the PowerPhase HD ® 220 electric propulsion system. The production-ready HD 220 will make its debut at the Electric Vehicle Symposium (EVS26) conference in Los Angeles, May 6-9, 2012 at the Los Angeles Convention Center. “The PowerPhase HD 220 is an important addition to our product line and represents a significant opportunity to grow our customer base and drive revenue and market share growth,” said Eric Ridenour, UQM Technologies President and Chief Executive Officer. “The combination of significant power and high efficiency delivered by the HD 220 is ideal for the commercial heavy-duty trucks and bus markets.” Delivering a maximum output of 220kW, and 120kW on a continuous basis, the PowerPhase HD 220 offers commercial trucks and buses an efficient path to the adoption of electric propulsion technology in heavy-duty vehicles. The HD 220 is production-ready and would be built in the UQM volume-production manufacturing facility in Colorado. UQM will be displaying its products, including the PowerPhase HD 220 in booth #950 at the symposium, and UQM executives and engineers will be available to provide more information about the breadth of UQM electric propulsion systems. The PowerPhase HD 220 joins PowerPhase Pro ® 100 and 135 production-validated, automotive-qualified electric propulsion systems for battery electric vehicles and hybrid vehicles. UQM PowerPhase electric propulsion systems have been selected to power the CODA all electric passenger car, Proterra’s all-electric composite transit buses, as well as Electric Vehicles International’s all-electric medium-duty truck and walk-in van, including a fleet of 100 UPS delivery vans. UQM also was selected to power the Audi A1 e-tron and Rolls-Royce 102EX Electric Phantom pre-production test fleet vehicles. About UQM Technologies, Inc. UQM Technologies is a developer and manufacturer of power-dense, high-efficiency electric motors, generators and power electronic controllers for the automotive, aerospace, military and industrial markets. A major emphasis for UQM is developing products for the alternative-energy technologies sector, including propulsion systems for electric, hybrid electric, plug-in hybrid electric and fuel cell electric vehicles, under-the-hood power accessories and other vehicle auxiliaries. UQM headquarters, engineering, product development center and manufacturing operation are located in Longmont, Colorado. Please visit www.uqm.com for more information. This Release contains statements that constitute “forward-looking statements” within the meaning of Section 27A of the Securities Act and Section 21E of the Securities Exchange Act. These statements appear in a number of places in this Release and include statements regarding our plans, beliefs or current expectations, including those plans, beliefs and expectations of our officers and directors with respect to, among other things, future financial results and the continued growth of the electric-powered vehicle industry. Important Risk Factors that could cause actual results to differ from those contained in the forward-looking statements are contained in our Form 10-Q filed January 31, 2012, which is available through our website at www.uqm.com or at www.sec.gov.