Longmont, Colorado  May 19th, 2010 — UQM TECHNOLOGIES, INC. (NYSE Amex:UQM), a developer of alternative energy technologies, announced today that it has completed an agreement with Electric Vehicles International LLC (EVI), a California-based electric vehicle company, to supply upgraded UQM® PowerPhase® 150kW electric propulsion systems for use in EVI’s new all-electric medium-duty truck, the EVI MD and the all-electric walk-in van, the EVI WI. The initial term of the supply agreement is one year. Deliveries of the first 50 systems are expected to begin in June and be completed by October 2010.


The EVI MD and EVI WI can be configured to match most commercial needs, with gross vehicle weight ratings of a Class 4 (14,001 lbs) up to a Class 6 (26,000 lbs). Powered by a UQM® PowerPhase® electric propulsion system that delivers 664 ft-lb of torque and using an Eaton 6-speed Ultrashift automatic transmission, the EVI MD and EVI WI have a top speed of 60 miles per hour and a range of up to 115 miles per charge using high-density Valence Technology Inc. (NASDAQ: VLNC) U-Charge® XP lithium iron magnesium phosphate batteries.


“We are pleased that EVI has selected UQM® PowerPhase® electric propulsion systems to power their innovative commercial trucks,” said William G. Rankin, UQM Technologies’ President and Chief Executive Officer. “The exceptional torque delivery, efficiency and top speed performance of our propulsion system allow this vehicle to deliver the type of performance truck users expect.”


UQM Technologies, Inc. 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 of the Company 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. The Company’s headquarters, engineering and product development center, and manufacturing operation are located in Frederick, Colorado. For more information on the Company, please visit its worldwide website at www.uqm.com.


EVI is a pioneer in zero-emission electric vehicle development, manufacturing and deployment, with over 20 years of success optimizing zero-emission, all-electric powertrains. Strategic partnerships with Valence Technology, and Daimler and Freightliner provide the most efficient, safest and longest-lasting batteries, seamlessly integrated into tough American-built chassis relied upon by fleet operators throughout the nation and the world. EVI manufactures vehicles ranging from two-person light duty vehicles to medium-duty Class 6 trucks. For more information please visit our website at www.evi-usa.com.

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, orders to be received under our supply agreement with Electric Vehicles International and the timing of deliveries under this agreement. 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 February 2, 2010, which is available through our website at www.uqm.com or at www.sec.gov.