EX-23.1 4 y56369a1ex23-1.txt CONSENT OF ARTHUR ANDERSEN LLP Exhibit 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this amendment no. 1 to the registration statement on Form S-3 of our reports, dated February 23, 2001, included or incorporated by reference in the Kerr-McGee Corporation Annual Report on Form 10-K for the year ended December 31, 2000 and to all references to our Firm included in or made a part of this amendment no. 1 to the registration statement on Form S-3. [ARTHUR ANDERSEN LLP] Oklahoma City, Oklahoma February 12, 2002