GreenMan Technologies Fiscal 2007 Year-End and Fourth Quarter Financial Release and Conference Call Alert


SAVAGE, MN--(Marketwire - December 11, 2007) - GreenMan Technologies, Inc. (OTCBB: GMTI), a leading recycler of over 12 million scrap tires per year in the United States, today announced that it plans to release the results for its fourth fiscal quarter and year ended September 30, 2007 on Monday, December 17, 2007, before the market opens. GreenMan will host a conference call later that morning at 11:00 AM EST in which we will discuss the results for the quarter and fiscal year ended September 30, 2007. To participate, please call 1-866-542-4265 and ask for the GreenMan call. A replay of the conference call can be accessed until 11:50 PM on January 17, 2008 by calling 1-800-408-3053 and entering pass code 3245581.

About GreenMan Technologies

GreenMan Technologies pursues technological processes and unique marketing programs to transform recycled materials into renewable fuel, alternative energy, recycled feedstock, and innovative recycled products. Over twelve million tires are collected and recycled annually into tire-derived fuel, tire-derived aggregate, and crumb rubber feedstock for playground, athletic track and field, and road surfacing. Through the company's Welch 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. To learn more about all of the companies, please visit the following websites:

www.greenman.biz
www.welchproducts.com
www.nssi-usa.com
www.playtribe.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 risk and uncertainties that may individually or collectively impact the matters herein described, including but not limited to the possibility that we may not be able to secure the financing necessary to return to sustained profitability, our ability to successfully integrate the recent Welch Products acquisition and realize the anticipated benefits, the possibility that we may not realize the benefits of product acceptance, economic, competitive, governmental, seasonal, management, technological 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 30,2006. The Company disclaims any intent or obligation to update these "forward-looking" statements.

Contact Information: Contacts: Chuck Coppa CFO or Lyle Jensen CEO GreenMan Technologies 800-526-0860