Evergreen Solar to Present at Lehman Brothers 2007 Global Technology Conference

Evergreen Solar, Inc. (Nasdaq: ESLR), a manufacturer of solar power products with its proprietary, low-cost String RibbonTM wafer technology, today announced that the Company will be presenting at the Lehman Brothers 2007 Global Technology Conference in San Francisco on Thursday, December 6, 2007 at 9:30 a.m. Pacific Time (12:30 p.m. ET).

At the conference, Chief Financial Officer Michael El-Hillow will discuss Evergreen Solar’s business strategy and review the Company’s recent accomplishments. A live webcast of the presentation will be available. Those interested in listening to the webcast should log on to the “Investors” section of Evergreen Solar’s website, www.evergreensolar.com prior to the event.

About Evergreen Solar, Inc.

Evergreen Solar, Inc. develops, manufactures and markets solar power products using proprietary, low-cost manufacturing technologies. The Company’s patented crystalline silicon technology, known as String Ribbon, uses significantly less silicon than conventional approaches. Evergreen Solar’s products provide reliable and environmentally clean electric power for residential and commercial applications globally. For more information about the Company, please visit www.evergreensolar.com. Evergreen Solar® is a registered trademark and String Ribbon™ is a trademark of Evergreen Solar, Inc.