2Q YTD Cash Flow Summary

NEWS TIETEE Lockheed Martin 2nd Quarter 2010 Financial Results Conference Call July 27, 2010 11:00 a.m. EDT "A LOCKHEED MARTIN Webcast login at www.lockheedmartin.com/investor Webcast replay & podcast available by 2:00 p.m. EDT July 27, 2010 at www.lockheedmartin.com/investor Audio replay available from 1:00 p.m. EDT July 27, 2010 through midnight July 30, 2010. Access audio replay at: 800-642-1687 U.S. & Canada 706-645-9291 International Confirmation code: 80276979 July 27, 2010

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