Lockheed Martin Corporation

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Lockheed Martin to Webcast 1st Quarter 2006 Earnings Results Conference Call
PRNewswire-FirstCall
BETHESDA, Md.

Lockheed Martin Corporation will webcast live its 2006 first quarter earnings results conference call on Tuesday, April 25 at 11:00 a.m. EDT. Chris Kubasik, Executive Vice President and Chief Financial Officer; Meg VanDeWeghe, Senior Vice President Finance; and Jerry Kircher, Vice President Investor Relations, will discuss first quarter 2006 financial results and update areas 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, http://www.lockheedmartin.com/investor. An on-demand replay of the conference call will also be available at this website.

Headquartered in Bethesda, Md., Lockheed Martin employs about 135,000 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 2005 sales of $37.2 billion.

For additional information, visit our website:

http://www.lockheedmartin.com/

SOURCE: Lockheed Martin Corporation

CONTACT: Investors: Jerry Kircher, Vice President, Investor Relations,
+1-301-897-6584, jerry.f.kircher@lmco.com, or Mike Gabaly, Director, Investor
Relations, +1-301-897-6455, mike.gabaly@lmco.com, or Media: Tom Greer, Sr.
Manager, Media Relations, +1-301-897-6195, thomas.greer@lmco.com, all of
Lockheed Martin Corporation