Northrop Grumman 2011 Annual Report Download - page 111

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MANAGEMENT’S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING
The management of Northrop Grumman Corporation (the company) prepared and is responsible for the
consolidated financial statements and all related financial information contained in this Annual Report. This
responsibility includes establishing and maintaining effective internal control over financial reporting. The
company’s internal control over financial reporting was designed to provide reasonable assurance regarding the
reliability of financial reporting and the preparation of financial statements for external purposes in accordance with
accounting principles generally accepted in the United States of America.
To comply with the requirements of Section 404 of the Sarbanes–Oxley Act of 2002, the company designed and
implemented a structured and comprehensive assessment process to evaluate its internal control over financial
reporting across the enterprise. The assessment of the effectiveness of the company’s internal control over financial
reporting was based on criteria established in Internal Control—Integrated Framework issued by the Committee of
Sponsoring Organizations of the Treadway Commission. Because of its inherent limitations, a system of internal
control over financial reporting can provide only reasonable assurance and may not prevent or detect
misstatements. Management regularly monitors its internal control over financial reporting, and actions are taken
to correct any deficiencies as they are identified. Based on its assessment, management has concluded that the
company’s internal control over financial reporting is effective as of December 31, 2011.
Deloitte & Touche LLP issued an attestation report dated February 7, 2012, concerning the company’s internal
control over financial reporting, which is contained in this Annual Report. The company’s consolidated financial
statements as of and for the year ended December 31, 2011, have been audited by the independent registered
public accounting firm of Deloitte & Touche LLP in accordance with the standards of the Public Company
Accounting Oversight Board (United States).
/s/ Wesley G. Bush
Chairman, Chief Executive Officer and President
/s/ James F. Palmer
Corporate Vice President and Chief Financial Officer
February 7, 2012
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