Chairman Mark Stone Assumes Additional Responsibilities as CEO MUNICH, June 29 /PRNewswire/ -- Mark Stone, Chairman of the Board at Siemens Enterprise Communications since the foundation of the SEN Group on October 1, 2008, has assumed the additional responsibility of CEO. He is President of Operations at The Gores Group, Siemens Enterprise Communications' majority shareholder. Mark Stone has responsibility for Gores' worldwide operations, as well as oversight of all Gores portfolio companies and its operational due diligence efforts. (Logo: http://www.newscom.com/cgi-bin/prnh/20070904/SIEMENSLOGO ) The Gores Group is a very active owner and sees significant opportunities present in the market downturn and with recent competitive dislocations. "I think it critical to be as close to the organization and customers as possible to ensure strong execution and delivery," said Mark Stone. "Gores and I will be very active in SEN for the full tenure of our ownership." This attention and commitment is already paying dividends. According to a recent report by Infonetics Research, Siemens Enterprise Communications, a premier provider of enterprise communications solutions committed to growing and building a world-class service and solutions partner for customers in the enterprise communications market, was the only PBX vendor to gain market share to date in 2009, with 13 percent quarter-over-quarter growth (source: Infonetics Research Enterprise Telephony Report, June 18th 2009). Mark Stone added, "I think we are seeing a strong shift in momentum and look forward to even more good news in the quarters ahead." For more information about Siemens Enterprise Communications, please visit: http://www.siemens.com/open About Siemens Enterprise Communications Group (SEN Group) The SEN Group is a premier provider of enterprise communications solutions. More than 14,000 employees in 80 countries carry on the tradition of voice and data excellence started more than 160 years ago with Werner von Siemens and the invention of the pointer telegraph. Today the company leads the market with its "Open Communications" approach that enables teams working within any IT infrastructure to improve productivity through a unified collaboration experience. Jointly owned by The Gores Group and Siemens AG, The SEN Group includes Siemens Enterprise Communications, Cycos and Enterasys Networks. In fiscal 2008, The SEN Group generated revenues of approximately 3.21 billion Euros. Note: Siemens, HiPath, OpenOffice, OpenScape and OpenStage, are registered trademarks of Siemens AG or its subsidiaries and affiliates. All other company, brand, product and service names are trademarks or registered trademarks of their respective holders. This release contains forward-looking statements based on beliefs of Siemens management. The words "anticipate," "believe," "estimate," "forecast," "expect," "intend," "plan," "should," and "project" are used to identify forward-looking statements. Such statements reflect the company's current views with respect to future events and are subject to risks and uncertainties. Many factors could cause the actual results to be materially different, including, among others, changes in general economic and business conditions, changes in currency exchange rates and interest rates, introduction of competing products, lack of acceptance of new products or services and changes in business strategy. Actual results may vary materially from those projected here. Siemens does not intend or assume any obligation to update these forward-looking statements. http://www.newscom.com/cgi-bin/prnh/20070904/SIEMENSLOGO http://photoarchive.ap.org/ DATASOURCE: Siemens Enterprise Communications CONTACT: Silvie Casanova, Corporate Communications, +1-978-848-4617, Web Site: http://www.siemens.com/open

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