Northrop Grumman to Participate in Cowen and Company 36th Annual Aerospace/Defense & Transportation Conference

FALLS CHURCH, Va. – Jan. 30, 2015 – Northrop Grumman Corporation (NYSE:NOC) will participate in the Cowen and Company 36th Annual Aerospace/Defense & Transportation Conference in New York on Thursday, Feb. 5. Jim Palmer, corporate vice president and chief financial officer, and Ken Bedingfield, corporate vice president, finance, will present beginning at 10:30 a.m. Eastern time. The presentation will be webcast live at www.northropgrumman.com.

Northrop Grumman is a leading global security company providing innovative systems, products and solutions in unmanned systems, cyber, C4ISR, and logistics and modernization to government and commercial customers worldwide. Please visit www.northropgrumman.com for more information.

Note: Statements in the presentation to be made at the conference and in any accompanying materials, other than statements of historical fact, constitute “forward-looking” information within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as “anticipate,” “expect,” “intend,” “plan,” “believe,” “estimate,” “guidance,” “goal” and similar expressions generally identify these forward-looking statements. These forward-looking statements speak only as of the date when made, and the Company undertakes no obligation to update or revise any forward-

looking statements after the date of this press release. Forward-looking statements are not guarantees of future performance and inherently involve a wide range of risks and uncertainties that are difficult to predict. Actual results may differ materially from those described or implied in these statements based on a number of factors, including global economic conditions, economic conditions in our industry, government fiscal and budget policies, changes in interest rates and other market conditions. A discussion of these risks and uncertainties is contained in the Company’s 2014 Annual Report on Form 10-K and the company’s other filings with the Securities and Exchange Commission.

SOURCE: Northrop Grumman