DuPont 2005 Annual Report Download - page 61

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8FEB200512262178 3FEB200509521068
Management’s Reports on Responsibility for Financial Statements and
Internal Control over Financial Reporting
Management’s Report on Responsibility for Financial Statements
Management is responsible for the Consolidated Financial Statements and the other financial information contained in this
Annual Report on Form 10-K. The financial statements have been prepared in accordance with generally accepted accounting
principles and are considered by management to present fairly the company’s financial position, results of operations, and cash
flows. The financial statements include some amounts that are based on management’s best estimates and judgments. The
financial statements have been audited by the company’s independent registered public accounting firm, Price-
waterhouseCoopers LLP. The purpose of their audit is to express an opinion as to whether the Consolidated Financial State-
ments included in this Annual Report on Form 10-K present fairly, in all material respects, the company’s financial position,
results of operations, and cash flows. Their report is presented on the following page.
Management’s Report on Internal Control over Financial Reporting
Management is responsible for establishing and maintaining an adequate system of internal control over financial reporting as
defined in Rules 13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934. The company’s internal control over
financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and
the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. The
company’s internal control over financial reporting includes those policies and procedures that:
i. pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and
dispositions of the assets of the company;
ii. provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial state-
ments in accordance with generally accepted accounting principles, and that receipts and expenditures of the
company are being made only in accordance with authorization of management and directors of the company; and
iii. provide reasonable assurance regarding prevention or timely detection of unauthorized acquisitions, use or disposi-
tion of the company’s assets that could have a material effect on the financial statements.
Internal control over financial reporting has certain inherent limitations which may not prevent or detect misstatements. In
addition, changes in conditions and business practices may cause variation in the effectiveness of internal controls.
Management assessed the effectiveness of the company’s internal control over financial reporting as of December 31, 2005,
based on criteria set forth by the Committee of Sponsoring organizations of the Treadway Commission (COSO) in Internal
Control-Integrated Framework. Based on its assessment and those criteria, management concluded that the company main-
tained effective internal control over financial reporting as of December 31, 2005.
Management’s assessment of the effectiveness of the company’s internal control over financial reporting as of December 31,
2005 has been audited by PricewaterhouseCoopers LLP, an independent registered public accounting firm, as stated in their
report presented on the following page.
Charles O. Holliday, Jr. Gary M. Pfeiffer
Chairman of the Board and Senior Vice President
Chief Executive Officer and Chief Financial Officer
February 24, 2006
F-2