IRVINE, Calif., Oct. 8 /PRNewswire-FirstCall/ -- Endologix, Inc. (NASDAQ: ELGX), developer of minimally invasive treatments for aortic disorders, acknowledged today that it has become aware that Cook Medical has filed a lawsuit against Endologix in the United States District Court alleging that Endologix infringes two of Cook's U.S. patents. John McDermott, Endologix President and Chief Executive Officer, said, "We have just become aware of the lawsuit filed by Cook alleging that Endologix infringes two of Cook's patents, one of which was granted in 1991 and the other in 1998. The patent granted in 1991 expires next week. Together with our patent counsel, we are conducting a thorough evaluation and will provide more information as soon as available." About Endologix, Inc. Endologix, Inc. develops and manufactures minimally invasive treatments for aortic disorders. The Company's flagship product is the Powerlink® System, which is an endovascular stent graft for the treatment of abdominal aortic aneurysms (AAA). AAA is a weakening of the wall of the aorta, the largest artery in the body, resulting in a balloon-like enlargement. Once AAA develops, it continues to enlarge and, if left untreated, becomes increasingly susceptible to rupture. Additional information can be found on Endologix's Web site at http://www.endologix.com/. Forward-Looking Statements Except for historical information contained herein, this news release contains forward-looking statements, specifically related to the alleged claims of infringement. Please refer to the Company's Annual Report on Form 10-K for the year ended December 31, 2008, and the Company's other filings with the Securities and Exchange Commission, for more detailed information regarding these risks and other factors that may cause actual results to differ materially from those expressed or implied. COMPANY CONTACT: INVESTOR CONTACTS: Endologix, Inc. The Ruth Group John McDermott, CEO Nick Laudico (646) 536-7030 (949) 595-7200 Zack Kubow (646) 536-7020 http://www.endologix.com/ DATASOURCE: Endologix, Inc. CONTACT: John McDermott, CEO, Endologix, Inc., +1-949-595-7200, or Investors, Nick Laudico, +1-646-536-7030 or Zack Kubow, +1-646-536-7020, both of The Ruth Group Web Site: http://www.endologix.com/

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