ilumisys and Altair broaden LED lighting patent portfolio

April 6, 2009
Date Announced: 06 Apr 2009 Patent affirms technology leadership, spurs additional infringement litigationTroy, Mich. – April 2, 2009 - ilumisys, Inc., developer and producer of next-generation solid-state lighting technology, announces on behalf of its parent company Altair Engineering, that Patent No. 7,510,299 was issued by the United States Patent and Trademark Office, thus adding to ilumisys’ foundational patent portfolio for the replacement of fluorescent tubes with light-emitting diodes (LEDs).With the backing of Altair, its majority owner, ilumisys has a deep and substantial investment in research and development that includes more than 30 patent applications filed to date. Altair continues to aggressively protect its LED lighting intellectual property against infringing manufacturers and distributors, including additional litigation recently filed in United States District Court based on the new patent.“Our pending and issued patents, plus our commitment to developing high-quality products while defending our patents from infringement, positions ilumisys to be a long-term market leader,” said ilumisys President Dave Simon. “As the LED industry continues to evolve, ilumisys will keep growing our intellectual property through extensive research and development.”About ilumisysilumisys, Inc. is a Troy, Mich.-based company focused on next-generation solid-state lighting technology. The company was formed in 2007 as a spinoff venture and wholly owned subsidiary of Altair Engineering, Inc. Products are derived from Altair's intellectual property as they relate to the direct replacement of fluorescent light tubes with LED lamps and direct replacement of incandescent lamps. About Altair Altair Engineering, Inc. empowers client innovation and decision-making through technology that optimizes the analysis, management and visualization of business and engineering information. Privately held with more than 1,300 employees, Altair has offices throughout North America, South America, Europe and Asia/Pacific. With a 20-year-plus track record for enterprise analytics, product development, and advanced computing, Altair consistently delivers a competitive advantage to customers in a broad range of industries.

Jennifer Ristic Airfoil Public Relations 248-304-1421

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