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Corporate Profile
Evergreen Solar, founded in 1994, develops, manufactures and sells solar power products, primarily solar panels, that provide reliable and environmentally clean electric power throughout the world. The three markets the Company serves are: wireless power, rural electrification and grid-connected applications. The Company expects to exploit its proprietary and patented technology to produce distinctive products, to reduce manufacturing costs through lower materials use and streamlined processes, and to manufacture internationally for global market penetration.
The solar panels produced by Evergreen Solar incorporate proprietary crystalline silicon technology known as String Ribbon wafer production, which uses approximately half the silicon and avoids the sawing of conventional approaches.
There’s never been a better choice for solar panels than Evergreen Solar. Our panels are made by state of the art manufacturing featuring our unique String Ribbon wafer technology. Add the fact that we manufacture everything — wafers, cells and panels — all under one roof for ultimate quality control, and it’s not surprising then that our solar panels are among the highest quality products in the industry. And that’s not all. Because of the unique way they’re made, they are the most environmentally friendly solar panels in the business.
We have rapidly become a global technology leader and innovator in the solar industry. And although technology is what we thrive on, bringing it to practical, commercial scale solutions is what drives each and every one of us. We have been in business for more than 13 years which makes us well established experts in the industry.

This figure illustrates our patented String Ribbon manufacturing process.
Performance and Versatility
Evergreen Solar produces a range of high quality poly-crystalline solar panels for on-grid markets offering exceptional performance, extraordinary versatility and industry leading environmental credentials based on our cutting edge String Ribbon™ wafer technology.
Spruce Line™ Photovoltaic Solar Panels
Our Spruce Line™ features high power, state-of-the-art solar panels up to 195W designed specifically for residential or commercial applications. These solar panels offer the end-user superior performance and complete peace of mind while providing the utmost in installation flexibility. Key benefits of our Spruce Line solar panels include:
Best-in-class performance ratings proven by field installations
98% of rated power guaranteed for 180, 190W product; 100% guaranteed for 195W product
5 year workmanship and 25 year power warranty
Smallest carbon foot-print leading the fight against global warming
Quickest energy payback time for maximum energy conservation
A Better Way to Make Solar Power
With innovations like String Ribbon manufacturing, it’s no wonder Evergreen Solar is recognized as the brightest star in the solar industry. But String Ribbon is just the beginning. We have more innovations in the works, including a revolutionary method of producing thinner wafers, and unique ways to boost our manufacturing and product efficiencies even further. Add the fact that we manufacture everything — wafers, cells and panels — all under one roof for ultimate quality control, and it’s clear that Evergreen Solar is committed to being the best in the industry.
String Ribbon — Genius in its Simplicity
Silicon wafers form the basis of solar cells and the bulk of all solar panels made today. Conventional technologies for producing silicon wafers are based on energy-intensive casting and oil-based machining and cutting of large silicon blocks. Not something you’d expect from a hi-tech, clean energy product. Our cutting-edge “String Ribbon” wafer technology in contrast is genius in its simplicity, efficiency and cleanliness.
String Ribbon is a concept originating from the natural science of “surface tension”. In simple terms the making of a String Ribbon wafer is just like the making of a soap bubble — the surface tension between the soapy bubble solution and the wand creates the bubble.
The only difference is that instead of the “ring” inside which a bubble forms, we use two parallel wires between which a thin film of silicon is formed. With our proprietary technique, two heat-resistant wires are pulled vertically through a silicon melt, and the molten silicon spans and solidifies between the strings.
The process is continuous, silent and clean: long wires unwind from spools, run through the molten silicon and pull a long “ribbon” of silicon out of the melt. The ribbon is harvested periodically and cut into smaller pieces for further processing into solar cells.
All this happens in our state-of-the-art, table-top sized furnaces. Our current Gemini II furnaces grow two 3.2-inch (80mm) wide ribbons at a time. We’re already working on the second generation furnace technology which will grow four ribbons at the same time.

An Evergreen Solar installation in Germany.
| Richard M. Feldt | President and CEO |
| Rodolfo Archbold | Vice President of Operations |
| Dr. Terry Bailey | Senior Vice President, Marketing and Sales |
| Richard G. Chleboski | Vice President of Worldwide Expansion |
| Michael El-Hillow | CFO |
| Gary T. Pollard | Vice President Human Resources |
| Dr. Brown F. Williams | Vice President Science & Engineering |
Company AddressWorldwide HeadquartersEvergreen Solar Inc.138 Bartlett Street
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Additional Address/Key ContactEuropean Headquarters |
| Top Holders | Shares Held | % O/S |
| Fidelity Management & Research | 11,909,640 | 11.8 |
| Wellington Management Company LLP | 8,175,986 | 8.1 |
| Legg Mason Capital Management Inc. | 4,982,700 | 5.0 |
| D C Chemical Co. Ltd. | 4,423,125 | 4.4 |
| BlackRock Investment Management (UK) Ltd. | 3,633,400 | 3.6 |
| PowerShares Capital Management LLC | 3,369,530 | 3.4 |
| Barclays Global Investors N.A. | 3,303,621 | 3.3 |
| Fortis Investments (Nederland) | 2,757,659 | 2.7 |
| Vanguard Group Inc. | 2,099,635 | 2.1 |
| Alydar Partners L.L.C. | 1,700,400 | 1.7 |