• Northrop Grumman Fourth Quarter 2011 and Year-end 2011 Financial Results to be Webcast Wednesday, Feb. 1, 2012, at 9:30 a.m. ET

FALLS CHURCH, Va. – Jan. 12, 2012 – Northrop Grumman Corporation (NYSE:NOC) will announce its fourth quarter 2011 and year-end 2011 financial results on Wednesday, Feb. 1, 2012. The company's conference call will be held at 9:30 a.m. ET the same day. Wes Bush, chairman, chief executive officer and president, and Jim Palmer, chief financial officer, will review fourth quarter and 2011 results and discuss Northrop Grumman's 2012 outlook. The conference call will be webcast live on Northrop Grumman's website at http://www.northropgrumman.com .

Replays of the call will be available on the Northrop Grumman website for a limited period of time. Presentations will be supplemented by a series of slides appearing on the company website. Listeners are encouraged to view these materials in conjunction with the call. The 2011 fourth quarter and year-end 2011 earnings release will be posted on the home page of the website.

Northrop Grumman is a leading global security company providing innovative systems, products and solutions in aerospace, electronics, information systems, and technical services to government and commercial customers worldwide. Please visit www.northropgrumman.com for more information.

  CONTACT: Randy Belote (Media)
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         Steve Movius (Investors)
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