Evergreen Solar Appoints Rodolfo Archbold as Vice President of Operations

Archbold will be responsible for executing Evergreen Solar's worldwide manufacturing expansion strategy and overseeing factory operations, both wholly owned and through alliances or joint ventures.

Marlboro, Massachusetts, August 1, 2007 - Evergreen Solar, Inc. (Nasdaq: ESLR), a manufacturer of solar power products with its proprietary, low-cost String Ribbon' wafer technology, today announced the appointment of Rodolfo Archbold, 53, to the newly created position of vice president of operations.


Archbold will be responsible for executing Evergreen Solar's worldwide manufacturing expansion strategy and overseeing factory operations, both wholly owned and through alliances or joint ventures.

He most recently served as an operations consultant at Teradyne, Inc., a $1.1 billion global leader in semiconductor test equipment, and at other leading electronics manufacturing firms. In this role, Archbold developed strategy and execution plans designed to improve global operations and supply chain design, reducing manufacturing costs and increasing responsiveness across global supply chain networks.

Archbold's prior career experience includes leadership positions in manufacturing operations and business and product development for several major technology companies. He served as vice president of technology and business development at NYPRO, executive vice president at Manufacturers' Services Limited (now part of Celestica) and director, mid range system products at Hewlett-Packard/Digital Equipment Corporation.

Evergreen Solar's Chairman, President and CEO Richard M. Feldt said, "We are currently involved in an ambitious manufacturing capacity expansion at Evergreen, and we are pleased to have Rodolfo leading this effort. We recently completed site selection and facilities design for a new 75MW Massachusetts factory expected to open in the second half of 2008, and we have plans to expand to approximately 500MW worldwide by 2012. We look forward to benefiting from Rodolfo's leadership ability and operations and supply chain experience as we execute our global manufacturing initiatives."

Archbold received a bachelor's degree in chemical engineering from the University of Puerto Rico and a master's degree in business administration from New York University.

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.

Safe Harbor Statement

This press release contains forward-looking statements within the meaning of federal securities laws. Evergreen Solar cautions you that any statements contained in this press release that are not strictly historical statements constitute forward-looking statements. Such forward-looking statements include, but are not limited to: the Company's plan to open a 75MW Massachusetts factory in the second half of 2008; the Company's plans to expand to approximately 500MW in manufacturing capacity over the next few years; and the Company's anticipated execution of its global manufacturing initiatives. These statements are neither promises nor guarantees, and involve risks and uncertainties that could cause actual results to differ materially from such forward-looking statements. Such risks and uncertainties include, among other things, the following factors: the Company's business and results of operations could be materially impaired as a result of poor manufacturing or product performance; the market for solar power products is emerging and rapidly developing and market demand for solar power products such as the Company's products is uncertain; the Company has limited experience manufacturing large volumes of solar power products on a commercial basis at acceptable costs, which it will need to do in order to be successful; the Company faces intense competition from other companies producing solar power and other distributed energy generation products; the risk that the Company may fail to bring to market new products under development or that any such products may not achieve commercial acceptance; the risk that technological changes in the solar industry could render its solar products uncompetitive or obsolete; the Company sells via a small number of reseller partners, and the Company's relationships with current or prospective marketing or strategic partners may be affected by adverse developments in the Company's business, the business of the Company's strategic partners, competitive factors, solar power market conditions, or financial market conditions; the market for products such as the Company's solar power products is heavily influenced by federal, state, local and foreign government regulations and policies, as well as the availability and size of government subsidies and economic incentives, over which the Company has little control; and the Company is susceptible to shortages of specialized silicon that the Company uses in the manufacture of its products. In addition to the foregoing factors, the risk factors identified in the Company's filings with the Securities and Exchange Commission - including the Company's Annual Report on Form 10-K filed with the SEC on February 27, 2007, as amended on Form 10-K/A on April 30, 2007, the Quarterly Report on Form 10-Q filed with the SEC on May 10, 2007, and the Form S-3 filed with the SEC on May 16, 2007 (copies of which may be obtained at the SEC's website at: http://www.sec.gov) - could impact the forward-looking statements contained in this press release. Readers should not place undue reliance on any such forward-looking statements, which speak only as of the date they are made. The Company disclaims any obligation to publicly update or revise any such statements to reflect any change in Company expectations, or in events, conditions or circumstances on which any such statements may be based, or that may affect the likelihood that actual results will differ from those set forth in the forward-looking statements.

Contact:
Michael El-Hillow
Chief Financial Officer
Evergreen Solar, Inc.
508-357-2221 x7708
investors@evergreensolar.com

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