Lockheed Martin Corporation will webcast live its 2004 fourth quarter and year-end conference call on Thursday, Jan. 27, 2005 at 3:00 p.m. EST. Bob Stevens, President and Chief Executive Officer; Chris Kubasik, Executive Vice President & Chief Financial Officer; and Jim Ryan, Vice President, Investor Relations, will discuss 2004 fourth quarter and year-end financial results and update areas of interest.

The live audio webcast and relevant financial charts, available for download, 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 130,000 people worldwide and is principally engaged in the research, design, development, manufacture and integration of advanced technology systems, products and services. The corporation reported 2003 sales of $31.8 billion.

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