LOCKHEED MARTIN 1ST QUARTER 2008 EARNINGS CONFERENCE CALL INVITATION

LOCKHEED MARTIN 1ST QUARTER 2008 EARNINGS CONFERENCE CALL INVITATION


Bethesda, MD, April 15th, 2008 -- Lockheed Martin (NYSE: LMT) will webcast live its First Quarter 2008 Earnings Conference Call on Tuesday, April 22, 2008, at 11 a.m. EDT. Bruce Tanner, Executive Vice President & Chief Financial Officer, and Jerry Kircher, Vice President, Investor Relations, will discuss first quarter 2008 financial results, provide updates on key topics and answer your questions.

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.lockheedmartin.com/investor. An on-demand reply of the conference call will also be available at this website.

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 2007 sales of $41.9 billion.

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