Lockheed Martin Corporation will webcast live a presentation by Judy Marks, President, Lockheed Martin Transportation and Security Solutions, at the Thomas Weisel Partners Security Technology Conference on Monday, Dec. 4, 2006.

Ms. Marks will present on behalf of Lockheed Martin from 9:00 to 9:25 a.m. EST. She will highlight the Corporation's activities in support of homeland security. An audio replay will be available for two weeks.

Access the webcast and replay at: http://www.lockheedmartin.com/investor.

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 2005 sales of $37.2 billion.

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  Forward-looking Statements:

The presentation will contain "forward-looking" statements or projections based on current expectations. These statements are not guarantees of future performance and are subject to risks and uncertainties. Actual results may differ materially due to: the availability of government funding and budgetary constraints; changes in customer priorities; the impact of continued hostilities in Iraq and spending for disaster relief on funding for defense programs; program and contract performance; the timing and availability of future government awards; the future impact of acquisitions, divestitures or joint ventures; the outcome of legal proceedings and other contingencies (including lawsuits, government investigations or audits, government/regulatory approvals and environmental remediation efforts); economic, business and political conditions and other factors. We disclaim any duty to update forward-looking statements to reflect new developments. Our SEC filings (found at http://www.lockheedmartin.com/ or at http://www.sec.gov/), including our 2005 Form 10-K and 2006 Form 10-Qs, contain more information on the types of risks and other factors that could adversely affect these statements.

SOURCE: Lockheed Martin Corporation