POWER OF ATTORNEY IN CONNECTION WITH THE
2008 ANNUAL REPORT ON FORM 10-K
KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned directors and officers of
NORTHROP GRUMMAN CORPORATION, a Delaware corporation, does hereby appoint STEPHEN D.
YSLAS and Joseph F. Coyne, Jr., and each of them as his or her agents and attorneys-in-fact (the “Agents”), in
his or her respective name and in the capacity or capacities indicated below, to execute and/or file the Annual
Report on Form 10-K for the fiscal year ended December 31, 2008 (the “Report”) under the Securities
Exchange Act of 1934, as amended (the “Act ), and any one or more amendments to any part of the Report that
may be required to be filed under the Act (including the financial statements, schedules and all exhibits and other
documents filed therewith or constituting a part thereof) and to any part or all of any amendment(s) to the Report,
whether executed and filed by the undersigned or by any of the Agents. Further, each of the undersigned does
hereby authorize and direct the Agents to take any and all actions and execute and file any and all documents with
the Securities and Exchange Commission (the “Commission”), which they deem necessary or advisable to
comply with the Act and the rules and regulations or orders of the Commission adopted or issued pursuant
thereto, to the end that the Report shall be properly filed under the Act. Finally, each of the undersigned does
hereby ratify each and every act and documents which the Agents may take, execute or file pursuant thereto with
the same force and effect as though such action had been taken or such document had been executed or filed by
the undersigned, respectively.
This Power of Attorney shall remain in full force and effect until revoked or superseded by written notice filed
with the Commission.
IN WITNESS THEREOF, each of the undersigned has subscribed these presents this 9th day of
/s/ Ronald D. Sugar