Sevcon to Announce Second-Quarter 2012 Financial Results on May 1

Sevcon, Inc. (Nasdaq:SEV), a global manufacturer of drivetrain controls for electric and hybrid vehicles, today announced that it will release second-quarter 2012 financial results after the close of the market on Tuesday, May 1, 2012. Sevcon will host a conference call to discuss the results on Wednesday, May 2, 2012 at 9:00 a.m. ET.

President and Chief Executive Officer Matt Boyle and Vice President, Treasurer and Chief Financial Officer Paul Farquhar will host the call.

Those who wish to listen to the conference call webcast should visit the Investor Relations section of the company's website at www.sevcon.com. The live call also can be accessed by dialing [phone] or [phone] prior to the start of the call. If you are unable to listen to the live call, the webcast will be archived on the company's website.

About Sevcon, Inc.

Sevcon is a world leader in the design and manufacture of microprocessor-based controls for zero emission electric and hybrid vehicles. The controls are used to vary the speed and movement of vehicles, to integrate specialized functions and to optimize the energy consumption of the vehicle's power source. The company supplies customers throughout the world from its operations in the USA, the U.K., France and the Asia Pacific region and through an international dealer network. Sevcon's customers are manufacturers of on and off-road vehicles including cars, trucks, buses, motorcycles, fork lift trucks, aerial lifts, mining vehicles, airport tractors, sweepers and other electrically powered vehicles. For more information, visit www.sevcon.com

CONTACT: David Calusdian
         Sharon Merrill Associates
         1 [phone]
         [e-mail]
         
         Matt Boyle
         President and CEO
         1 [phone]
         [e-mail]