Kerr Mcgee 8-K Kerr-McGee Reports 133% Increase in 2005 First-Quarter Results

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

April 27, 2005

(Date of Report - Date of earliest event reported)

KERR-McGEE CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	1-16619	73-1612389
(State of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

Kerr-McGee Center
Oklahoma City, Oklahoma	73125
(Address of principal executive offices)	(Zip Code)

(405)   270-1313

(Registrant's telephone number)

Item 2.02	Results of Operations and Financial Condition
	On April 27, 2005, Kerr-McGee Corporation announced its first-quarter 2005 earnings. The earnings release is attached hereto as an exhibit and is incorporated by reference herein. (Also furnished pursuant to Item 7.01.)

Item 9.01	Financial Statements and Exhibits
	(c) Exhibits 99.1 Press Release dated April 27, 2005

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

		KERR-MCGEE CORPORATION
	By:	(John M. Rauh)
		John M. Rauh
		Vice President and Controller
Dated: April 27, 2005