GreenMan Technologies Fourth Quarter and Year End Financial Release and Conference Call Alert

CARLISLE, IA--(Marketwire - January 12, 2010) - GreenMan Technologies, Inc. (OTCBB: GMTI), today announced that it plans to release the results for its fourth fiscal quarter and year ended September 30, 2009 on Wednesday, January 13, 2010, before the market opens. GreenMan will host a conference call later that day at 2:00 PM EST in which we will discuss the results for the quarter and fiscal year ended September 30, 2009. To participate, please call 1-877-545-1403 and ask for the GreenMan call using passcode 4891047. A replay of the conference call can be accessed until 11:50 PM on January 31, 2010 by calling 1-888-203-1112 and entering pass code 4891047.

About GreenMan Technologies

GreenMan Technologies, through its subsidiaries, provides technological processes and unique marketing programs for alternative energy, renewable fuels and innovative recycled products. The Company's alternative energy subsidiary, American Power Group, Inc. (APG) provides a cost-effective patented duel fuel technology for diesel engines. APG's dual fuel alternative energy system is a unique external fuel delivery enhancement system that converts existing diesel engines into more efficient and environmentally friendly engines that have the flexibility to run on: 1) diesel fuel and compressed natural gas ("CNG"); 2) diesel fuel and bio-methane, or 3) 100% diesel fuel depending on the circumstances. The proprietary technology seamlessly displaces up to 70% of the normal diesel fuel consumption with CNG or bio-methane and the energized fuel balance between the two fuels is maintained with a patented control system ensuring the engines operate to Original Equipment Manufacturers' ("OEM") specified temperatures and pressures with no loss of horsepower. Installation requires no engine modification unlike the more expensive high-pressure alternative fuel systems in the market. Our Green Tech Products subsidiary, the company develops and markets branded products and services that provide schools and other political subdivisions viable solutions for safety, compliance, and accessibility including recycled surfacing. See additional information at: www.americanpowergroupinc.com and www.playgroundcompliance.com

"Safe Harbor" Statement: Under the Private Securities Litigation Reform Act

With the exception of the historical information contained in this news release, the matters described herein contain "forward-looking" statements that involve risks and uncertainties that may individually or collectively impact the matters herein described, including but not limited to the facts that we have sold the tire recycling operations which have historically generated substantially all our revenue, the risk that we may not be able to increase the revenue of our Green Tech Products the risks that we may not be able to identify and acquire complementary businesses and that we may not be able successfully to integrate any such acquisitions with our current businesses, the risk that we may not be able to return to sustained profitability, the risk that we may not be able to secure additional funding necessary to grow our business, on acceptable terms or at all, the risk that, if we have to sell securities in order to obtain financing, the rights of our current stockholders may be adversely affected, and the risks of possible adverse effects of economic, governmental, seasonal and/or other factors outside the control of the Company, which are detailed from time to time in the Company's SEC reports, including the Annual Report on Form 10-KSB for the fiscal period ended September 30, 2008. The Company disclaims any intent or obligation to update these "forward-looking" statements.

Contact Information: Contacts: Chuck Coppa CFO Lyle Jensen CEO GreenMan Technologies 781-224-2411 Investor Relations Contacts: John Nesbett Jennifer Belodeau Institutional Marketing Services (IMS) 203-972-9200