Exhibit
32.1
KERR-McGEE
CORPORATION
Kerr-McGee
Center
Oklahoma
City, Oklahoma 73125
CERTIFICATION
OF CHIEF EXECUTIVE OFFICER
REGARDING
PERIODIC REPORT CONTAINING
FINANCIAL
STATEMENTS
I, Luke
R. Corbett, the Chief Executive Officer of Kerr-McGee Corporation (the
"Issuer"), in compliance with 18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, hereby certify in connection with
the Issuer's Annual Report on Form 10-K for the period that ended December 31,
2004 as filed with the Securities and Exchange Commission (the "Report") that:
| · |
the
Report fully complies with the requirements of Section 13(a) of the
Securities Exchange Act of 1934; and |
| · |
information
contained in the Report fairly presents, in all material respects, the
financial condition and results of operations of the
Issuer. |
/s/ Luke
R. Corbett
______________________
Luke R.
Corbett
Chief
Executive Officer
March 11,
2005