AONE A123 Systems, Inc. (MM)

A123 Systems (Nasdaq:AONE), a developer and manufacturer of advanced Nanophosphate® lithium iron phosphate batteries and systems, today announced that Dr. Paul E. Jacobs, chairman of the board and chief executive officer of Qualcomm Incorporated, has resigned from A123's Board of Directors, effective July 23, 2012.

"My time serving on A123's Board of Directors has been a very rewarding experience and I am grateful for the opportunity," said Jacobs. "I have elected to step down from A123's board to focus on Qualcomm's growing and increasingly diverse business."

"Paul Jacobs has been an extremely valuable asset to A123's board during his tenure and we thank him for his significant contributions during his years of service," said Desh Deshpande, chairman of A123's Board of Directors.

A123 Systems, Inc. is a leading developer and manufacturer of advanced lithium ion batteries and energy storage systems for transportation, electric grid and commercial applications.

The A123 Systems, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=6600  

CONTACT: A123 Systems PR Contact:
         A123 Systems
         Dan Borgasano
         617-972-3471
         dborgasano@a123systems.com
         
         A123 Systems IR Contact:
         ICR, LLC
         Garo Toomajanian
         617-972-3450
         ir@a123systems.com