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This excerpt taken from the CHK 10-K filed Mar 2, 2009. Changes in Internal Controls No changes in the companys internal control over financial reporting occurred during the quarter ended December 31, 2008 that have materially affected, or are reasonably likely to materially affect, the companys internal control over financial reporting. This excerpt taken from the CHK 10-K filed Feb 29, 2008. Changes in Internal Controls No changes in the companys internal control over financial reporting occurred during the quarter ended December 31, 2007 that have materially affected, or are reasonably likely to materially affect, the companys internal control over financial reporting. This excerpt taken from the CHK 10-K filed Mar 1, 2007. Changes in Internal Controls No changes in the companys internal control over financial reporting occurred during the quarter ended December 31, 2006 that have materially affected, or are reasonably likely to materially affect, the companys internal control over financial reporting. This excerpt taken from the CHK 10-K filed Mar 14, 2006. Changes in Internal Controls No changes in the companys internal control over financial reporting occurred during the quarter ended December 31, 2005 that have materially affected, or are reasonably likely to materially affect, the companys internal control over financial reporting. | EXCERPTS ON THIS PAGE:
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