GreenMan Technologies Conference Call Alert

SAVAGE, MN--(Marketwire - October 3, 2007) - GreenMan Technologies, Inc. (OTCBB: GMTI) announced it will host a conference call today at 2:00 PM EDT to discuss the recently announced Welch Products acquisition (See October 2, 2007 Press Release) in more detail. To participate, please call 1-888-789-0150 and ask for the GreenMan call. A replay of the conference call can be accessed until 11:50 PM on October 31, 2007 by calling 1-800-408-3053 and entering pass code 3238370.

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 profitability, the possibility that the delisting of our stock by the American Stock Exchange could substantially limit our stock's future liquidity and our ability to raise capital, 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 Lyle Jensen CEO GreenMan Technologies 800-526-0860 John Nesbett Institutional Marketing Services, Inc. 203-972-9200