Lockheed Martin 1st Quarter 2012 Earnings Conference Call Webcast

BETHESDA, Md., April 19, 2012 – Lockheed Martin [NYSE: LMT] will webcast live its First Quarter 2012 Earnings Conference Call on Thursday, April 26, 2012, at 3:00 p.m. EDT. Bob Stevens, chairman and chief executive officer, Bruce Tanner, executive vice president and chief financial officer and Jerry Kircher, vice president, Investor Relations, will discuss first quarter 2012 financial results, provide updates on key topics and answer questions. First quarter 2012 results will be published prior to the market opening on Thursday, April 26, 2012.

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 through Thursday, May 10, 2012.

Headquartered in Bethesda, Md., Lockheed Martin is a global security and aerospace company that employs about 123,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. The Corporation’s net sales for 2011 were $46.5 billion.