LOCKHEED MARTIN UK ANNOUNCES COMPLETION OF INSYS GROUP LIMITED ACQUISITION

LONDON, October 20, 2005

Lockheed Martin UK Holdings, Ltd., a subsidiary of Lockheed Martin Corporation [NYSE: LMT], has completed its acquisition of INSYS Group Limited, a UK-based diversified integrator of military communications systems, weapons systems and advanced future concepts development.

The newly acquired company will be named Lockheed Martin UK INSYS Limited and will remain headquartered in Ampthill, Bedfordshire. Lockheed Martin UK Holdings, Ltd., located in London, will manage the INSYS business in coordination with Lockheed Martin Electronic Systems, based in Bethesda, Md.

The acquisition was originally announced Aug. 16, 2005. Terms of the transaction were not disclosed. Headquartered in Bethesda, Md., Lockheed Martin employs about 135,000 people worldwide and is principally engaged in the research, design, development, manufacture and integration of advanced technology systems, products and services. The corporation reported 2004 sales of $35.5 billion.

Lockheed Martin UK, a unit of Lockheed Martin Corporation, is a leader in systems integration working on major programmes spanning the aerospace, defence, civil and commercial sectors. In the UK, Lockheed Martin has annual sales in the range of £400-600 million, working with more than 100 business partners. Lockheed Martin employs approximately 1,500 people across 15 sites in the UK.

# # #

Media Contacts:

Lockheed Martin, Chris Trippick: chris.trippick@lmco.com +44 (0) 207 798 2889

Jeff Adams: jeffery.adams@lmco.com (301) 897-6308  

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