Lockheed Martin 2nd Quarter 2007 Earnings Conference Call Invitation

Bethesda, MD, 17-JUL-07 -- Lockheed Martin (NYSE: LMT) will webcast live its 2007 second quarter earnings conference call on Tuesday, July 24, 2007, at 11 a.m. EDT. We will discuss second quarter 2007 financial results, provide updates on key topics, and answer your questions.

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 at 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 approximately 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 2006 sales of $39.6 billion.

Media Contacts:

Investor Contacts:
Jerry Kircher, Vice President, Investor Relations, 301-897-6584; jerry.f.kircher@lmco.com
Shamala Littlefield, Director, Investor Relations, 301-897-6455; shamala.littlefield@lmco.com

Media Contact
Jeff Adams, Director, Media Relations, (301) 897-6308; Jeffery.adams@lmco.com