Lockheed Martin Corporation

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Lockheed Martin 4th Quarter 2007 Earnings and Year-End Results Conference Call Invitation
PRNewswire-FirstCall
BETHESDA, Md.

Lockheed Martin Corporation will webcast live its 2007 fourth quarter earnings and year-end results conference call on Thursday, January 24, 2008, at 3 p.m. EST. Bob Stevens, Chairman, President and Chief Executive Officer, Bruce Tanner, Executive Vice President & Chief Financial Officer, and Jerry Kircher, Vice President, Investor Relations, will discuss fourth quarter and year-end 2007 financial results, 2008 projections and topics of interest.

The live audio webcast, along with a Podcast version and relevant financial charts, will be available for download and can be viewed on the Lockheed Martin Investor Relations website www.lockmartin.com/investor. An on-demand replay of the conference call will also be available at this website.

Headquartered in Bethesda, Md., Lockheed Martin employs approximately 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: www.lockheedmartin.com

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SOURCE: Lockheed Martin Corporation

CONTACT: Tom Jurkowsky, Vice President, Media Relations,
+1-301-897-6352, or Jerry Kircher, Vice President, Investor Relations,
+1-301-897-6584, or Shamala Littlefield, Director, Investor Relations,
+1-301-897-6455, all of Lockheed Martin Corporation