LOS ANGELES, April 22, 2003 -- Northrop Grumman Corporation (NYSE:NOC) will announce its first quarter 2003 earnings Tuesday, April 29, 2003, prior to the opening of the stock market.

The company's conference call with securities analysts will be held at 11:30 a.m. EDT later that day. Northrop Grumman executives participating on the call will be Ronald D. Sugar, chief executive officer and president; Richard B. Waugh, Jr., corporate vice president and chief financial officer; and Gaston Kent, vice president, investor relations.

The conference call will be webcast live on the investor relations page of Northrop Grumman's Web site at www.northropgrumman.com . Replays of the call will be available on the Web site for a limited period of time.

A news release announcing first quarter 2003 financial results will be posted on the home page of the Web site.

Those planning to access the webcast will be provided with online instructions to ensure their computers are configured correctly, including directions on using free software specifically for this purpose.

Northrop Grumman Corporation is a $25 billion global defense company, headquartered in Los Angeles, Calif. Northrop Grumman provides technologically advanced, innovative products, services and solutions in systems integration, defense electronics, information technology, advanced aircraft, shipbuilding and space technology. With approximately 120,000 employees and operations in all 50 states and 25 countries, Northrop Grumman serves U.S. and international military, government and commercial customers.

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LEARN MORE ABOUT US: Northrop Grumman news releases, product information, photos and video clips are available on the Internet at: http://www.northropgrumman.com

  CONTACT:  Frank Moore (Media)
          (310) 201-3335

          Gaston Kent (Investors) 
          (310) 201-3423