Lockheed Martin Corporation will webcast live a presentation by Chairman, President and Chief Executive Officer, Bob Stevens, at Sanford C. Bernstein's Twenty-third Annual Strategic Decisions Conference on Thursday, May 31, 2007.

Mr. Stevens will present on behalf of Lockheed Martin from 2:00 to 2:50 p.m. EDT. He will highlight the corporation's performance, as well as its pursuit of a continued growth strategy. An audio replay will be available for two weeks.

Access the webcast and replay at: http://www.lockheedmartin.com/investor.

Headquartered in Bethesda, Md., Lockheed Martin employs about 140,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. The corporation reported 2006 sales of $39.6 billion.

For additional information, visit our website: http://www.lockheedmartin.com/

SOURCE: Lockheed Martin Corporation