Power Solutions International to Report First Quarter 2012 Financial Results on Monday, May 14th

WOOD DALE, Ill., May 1, 2012 (GLOBE NEWSWIRE) -- Power Solutions International, Inc. (OTCBB:PSIX) announced today that it will release financial results for the first quarter of 2012 after the market closes on Monday, May 14, 2012. An investor conference call will follow at 4:30 p.m. EST/3:30 p.m. CST. Gary Winemaster, Chief Executive Officer, and Daniel Gorey, Chief Financial Officer, will host the call.

Investors in the U.S. interested in participating in the live call should dial +1 (888) 428-9496. Those calling from outside the U.S. should dial +1 (719) 325-2354. A telephone replay will be available approximately two hours after the call concludes through May 28, 2012 by dialing from the U.S. +1 (877) 870-5176, or from international locations +1 (858) 384-5517, and entering passcode: 9534931. A simultaneous live webcast will be available on the Investor Relations section of the Company's website at http://www.powersint.com. The webcast will be archived on the website for one year. 

About Power Solutions International

Power Solutions International, Inc. (OTCBB:PSIX) is a leader in the design, engineering and manufacture of emissions-certified alternative-fuel and conventional power systems. PSI can provide integrated turnkey solutions to leading global original equipment manufacturers in the industrial, off-road and on-road markets. The Company's unique in-house design, prototyping, engineering and testing capacities enable the customized production of clean, high-performance engines that run on a wide variety of fuels, including natural gas, propane, biogas, diesel, gasoline, and hybrid systems.

PSI develops and delivers complete .97 to 22 liter power systems, including a new 8.8 liter engine aimed at the industrial and on-highway markets. PSI power systems are used worldwide in power generators, forklifts, aerial lifts and industrial sweepers, as well as in equipment for oil and gas production, aircraft ground support, agriculture, and construction. The new 8.8 liter system will be marketed to medium duty fleets, delivery trucks, school buses, and the garbage and waste truck segments.

CONTACT: Investor Relations:
         ICR, LLC
         Gary Dvorchak, CFA
         Senior Vice President
         +1 (310) 954-1123
         gary.dvorchak@icrinc.com
         
         Company:
         Power Solutions International, Inc.
         Daniel P. Gorey
         Chief Financial Officer
         +1 (630) 451-2290
         dgorey@powergreatlakes.com