A123Systems, Inc. (AONE) President and Chief Executive Officer to Ring the NASDAQ Stock Market Opening Bell


ADVISORY, Sept. 23, 2009 (GLOBE NEWSWIRE) --



 What:
 A123Systems, Inc. (AONE) will visit the NASDAQ MarketSite in New
 York City's Times Square to celebrate their initial public offering
 on NASDAQ.

 In honor of the occasion, David Vieau, President and Chief Executive
 Officer of A123Systems, Inc. (AONE) will preside over the NASDAQ
 Stock Market Opening Bell.

 Where:
 NASDAQ MarketSite - 4 Times Square - 43rd & Broadway -- Broadcast Studio

 When:
 Thursday, September 24th, 2009 at 9:15 - 9:30 a.m. ET

 Contacts:
 Public Relations:
 Stephen Roy
 Edelman
 stephen.roy@edelman.com

 Investor Relations:
 Garo Toomajanian
 ICR, LLC
 617-972-3450
 ir@a123systems.com

 NASDAQ MarketSite:
 Robert Madden
 (646) 441-5045
 Robert.Madden@NASDAQOMX.com

Feed Information:

The Opening Bell is available from 9:20 a.m. to 9:35 a.m. on Galaxy 19 C/15, downlink frequency 4000 vertical. The feed can also be found on Ascent fiber 1623. If you have any questions, please contact Robert Madden at (646) 441-5045.

Radio Feed:

An audio transmission of the Opening Bell is also available from 9:20 a.m. to 9:35 a.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can be found on Ascent fiber 1623 as well.

Webcast:

A live webcast of the NASDAQ Opening Bell will be available at: http://www.nasdaq.com/reference/marketsite_about.stm.

Photos:

To obtain a hi-resolution photograph of the Market Open, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market open of your choice.

About A123Systems, Inc. (AONE):

A123Systems develops and manufactures advanced lithium-ion batteries and battery systems for the transportation, electric grid services and consumer markets. Founded in 2001 and headquartered in Massachusetts, A123Systems' proprietary nanoscale electrode technology is built on initial developments from the Massachusetts Institute of Technology. For additional information please visit www.a123systems.com.

About NASDAQ OMX:

The NASDAQ OMX Group, Inc. is the world's largest exchange company. It delivers trading, exchange technology and public company services across six continents, with over 3,700 listed companies. NASDAQ OMX Group offers multiple capital raising solutions to companies around the globe, including its U.S. listings market; NASDAQ OMX Nordic, NASDAQ OMX Baltic, NASDAQ OMX First North; and the U.S. 144A sector. The company offers trading across multiple asset classes including equities, derivatives, debt, commodities, structured products and ETFs. NASDAQ OMX Group technology supports the operations of over 70 exchanges, clearing organizations and central securities depositories in more than 50 countries. NASDAQ OMX Nordic and NASDAQ OMX Baltic are not legal entities but describe the common offering from NASDAQ OMX Group exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information about NASDAQ OMX, visit http://www.nasdaqomx.com.

NDAQA