Lockheed Martin will webcast live its first quarter 2003 earnings conference call on Tuesday, April 22, 2003 from 11 a.m. to 12 p.m. (ET). Chris Kubasik, Senior Vice President & Chief Financial Officer, and Jim Ryan, Vice President, Investor Relations, will discuss first quarter 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, www.lockheedmartin.com/investor. An on-demand replay of the conference call will be available at this website.

Headquartered in Bethesda, Maryland, Lockheed Martin employs about 125,000 people worldwide and is principally engaged in the research, design, development, manufacture and integration of advanced technology systems, products and services. The Corporation reported 2002 sales of $26.6 billion.

For additional information on Lockheed Martin Corporation, visit: http://www.lockheedmartin.com/

CONTACT: For Media: Tom Jurkowsky, +1-301-897-6352, thomas.jurkowsky@lmco.com, or for Investors: James R. Ryan, +1-301-897-6534, james.r.ryan@lmco.com, or Randa Middleton, +1-301-897-6455, randa.c.middleton@lmco.com, all of Lockheed Martin.

SOURCE: Lockheed Martin