FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * CHRISTIANSEN GEORGE D   2. Issuer Name and Ticker or Trading Symbol KERR MCGEE CORP /DE [KMG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) Vice President (Last) (First) (Middle) KERR-MCGEE CENTER, P. O. BOX 25861 3. Date of Earliest Transaction (Month/Day/Year) 07/06/2005 (Street) OKLAHOMA CITY, OK 73125 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock - By Trustee/SIP               5,214.477 I By Trustee/SIP Common Stock - By Trustee/EDCP               6,774.985 I By Trustee/EDCP Common Stock 07/06/2005   M   1,000 A $ 62.125 8,528 D   Common Stock 07/06/2005   M   1,000 A $ 64.875 9,528 D   Common Stock 07/06/2005   M   300 A $ 59.6563 9,828 D   Common Stock 07/06/2005   M   7,000 A $ 40.2188 16,828 D   Common Stock 07/06/2005   M   9,000 A $ 63.5313 25,828 D   Common Stock 07/06/2005   S   18,300 (1) D $ 78.9501 7,528 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Option (Right to Buy)

$ 62.125

07/06/2005

M

1,000

07/09/1999

07/09/2006

Common Stock

1,000

$ 0

0

D

Option (Right to Buy)

$ 64.875

07/06/2005

M

1,000

07/08/2000

07/08/2007

Common Stock

1,000

$ 0

0

D

Option (Right to Buy)

$ 59.6563

07/06/2005

M

300

01/13/2001

01/13/2008

Common Stock

300

$ 0

0

D

Option (Right to Buy)

$ 40.2188

07/06/2005

M

7,000

01/12/2002

01/12/2009

Common Stock

7,000

$ 0

0

D

Option (Right to Buy)

$ 63.5313

07/06/2005

M

9,000

01/11/2003

01/11/2010

Common Stock

9,000

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
CHRISTIANSEN GEORGE D KERR-MCGEE CENTER, P. O. BOX 25861 OKLAHOMA CITY, OK 73125			Vice President

Signatures

By: Justin P. Byrne Per Attached Power of Attorney		07/07/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	On July 6, 2005, the Reporting Person exercised stock options for a total of 18,300 shares with grant prices of $62.1250 (1,000 shares); $64.8750 (1,000 shares); $59.6563 (300 shares); $40.2188 (7,000 shares) and $63.5313 (9,000 shares), which resulted in the issuance of 18,300 shares of Kerr-McGee Corporation common stock to the Reporting Person.The stock option exercises are reported under Table II, and the issuance and subsequent sale of the stock are reported under Table I. The price at which the stock was sold was $78.9501.

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