National Oilwell Varco 2012 Annual Report Download - page 56

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Index to Financial Statements
ITEM 9A. CONTROLS AND PROCEDURES
(i) Evaluation of disclosure controls and procedures
As required by SEC Rule 13a-15(b), we have evaluated, under the supervision and with the participation of our management, including our principal executive officer and
principal financial officer, the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the
Exchange Act) as of the end of the period covered by this report. Our disclosure controls and procedures are designed to provide reasonable assurance that the information
required to be disclosed by the Company in reports that it files under the Exchange Act is accumulated and communicated to the Companys management, including our
principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure and is recorded, processed, summarized and
reported within the time periods specified in the rules and forms of the SEC. Our principal executive officer and principal financial officer have concluded that our current
disclosure controls and procedures were effective as of December 31, 2011 at the reasonable assurance level.
Pursuant to section 302 of the Sarbanes-Oxley Act of 2002, our Chief Executive Officer and Chief Financial Officer have provided certain certifications to the Securities and
Exchange Commission. These certifications are included herein as Exhibits 31.1 and 31.2.
(ii) Internal Control Over Financial Reporting
(a) Managements annual report on internal control over financial reporting.
The Companys management report on internal control over financial reporting is set forth in this annual report on Page 61 and is incorporated herein by reference.
(b) Changes in internal control
There were no changes in the Companys internal control over financial reporting that occurred during the Companys last fiscal quarter covered by this report that have
materially affected, or are reasonably likely to materially affect, the Companys internal control over financial reporting.
ITEM 9B. OTHER INFORMATION
None.
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