SMA Solar Technology AG Press Release Mobile PV Plant Design: Sunny Design goes Web Niestetal, Germany, November 20, 2012 – Beginning immediately, SMA Solar Technology AG offers easy and uncomplicated PV plant configuration via Internet. Without any download or software installation, plant planners and installers can now take advantage of the complete and improved functions of the proven Sunny Design software, worldwide and mobile, in any current browser. "With Sunny Design, the world's leading inverter manufacturer SMA sets the bar high," praised the renowned trade magazine Photon Profi in its October 2012 edition. Supplied with the most important information, the program calculates the perfect plant configuration. Both the graphical presentation and the design are ideal, according to Photon. Under www.SunnyDesignWeb.com, SMA has now made the improved version 3.0 of the design software available for online use in all current web browsers and mobile devices – tablet PCs and Apple products included. Plant Design Almost Anywhere "Using the online version, the user can forgo a program installation. Plant design can be accomplished almost anywhere – as long as there is an Internet connection," explains Dr. Thomas Straub, Technical Product Manager at SMA. Another advantage is that downloads and updates are no longer required. Users always have the latest version of the software. Expanded Features and Simplified User Navigation "Of course, we also improved the user-friendliness of our design software and simplified data entry. We have designed the user interface in such a way that the program can be simply and reliably operated via touch, in the same way we all know from iPads," explains Straub. The software also recognizes the hardware used and automatically adapts the format of the user interface. SMA has also added new features in terms of content. Sunny Design Web now factors in energy storage systems like SMA's Sunny Backup when creating the self-consumption prognosis. The online tool also permits multi-string design of different substrings with an MPP tracker. Registered SMA Sunny Portal users additionally profit from personalized access and online project management. Free Tool – Web-based or as Download Software Sunny Design Web is available free of charge under www.SunnyDesignWeb.com. SMA also continues to offer the proven Sunny Design desktop version for download on the company website at www.SMA.de. About SMA The SMA Group generated sales of € 1.7 billion in 2011 and is the global market leader for solar inverters, a key component of all PV plants. And as an energy management group, it supplies innovative key technologies for future power supply structures. It is headquartered in Niestetal, near Kassel, Germany, and is represented internationally in 21 countries. The corporate group employs a staff of over 5,500 employees worldwide. SMA’s broad product portfolio includes a compatible inverter for every type of module on the market and for all plant sizes. The product range includes both inverters for photovoltaic plants connected to the grid as well as inverters for off-grid systems. SMA is therefore able to provide ideal technical inverter solutions for all plant sizes and types. Since 2008, the Group’s parent company, SMA Solar Technology AG, has been listed on the Prime Standard of the Frankfurt Stock Exchange (S92) and also in the TecDAX index. In recent years, SMA has received numerous awards for excellence as an employer and in 2011 and 2012 achieved first place in the nationwide "Great Place to Work®" competition. SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Head of Corporate Communication: Anja Jasper Phone: +49 (0)561 9522-2805 Presse@SMA.de Press contact: Susanne Henkel Manager Corporate Press Phone: +49 (0)561 9522-1124 Fax +49 (0)561 9522-421400 Presse@SMA.de Contact Investor Relations: Julia Damm Manager Investor Relations Phone: +49 (0)561 9522-2222 Fax +49 (0)561 9522-2223 IR@SMA.de Disclaimer: This press release serves only as information and does not constitute an offer or invitation to subscribe for, acquire, hold or sell any securities of SMA Solar Technology AG (the “Company”) or any present or future subsidiary of the Company (together with the Company, the “SMA Group”) nor should it form the basis of, or be relied upon in connection with, any contract to purchase or subscribe for any securities in the Company or any member of the SMA Group or commitment whatsoever. Securities may not be offered or sold in the United States of America absent registration or an exemption from registration under the U.S. Securities Act of 1933, as amended. This press release can contain future-oriented statements. Future-oriented statements are statements which do not describe facts of the past. They also include statements about our assumptions and expectations. These statements are based on plans, estimations and forecasts which the Executive Board of SMA Solar Technology AG (SMA or company) has available at this time. Future-oriented statements are therefore only valid on the day on which they are made. Future-oriented statements by nature contain risks and elements of uncertainty. Various known and unknown risks, uncertainties and other factors can lead to considerable differences between the actual results, the financial position, the development or the performance of the corporation and the estimates given here. These factors include those which SMA has discussed in published reports. These reports are available on the SMA website at www.SMA.de. The company accepts no obligation whatsoever to update these future-oriented statements or to adjust them to future events or developments.