EX-23.3 7 y56369ex23-3.txt CONSENT OF ARTHUR ANDERSEN LLP Exhibit 23.3 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this registration statement on Form S-3 of our report, dated February 9, 2001, included in the HS Resources, Inc. 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 registration statement on Form S-3. [ARTHUR ANDERSEN LLP] Denver, Colorado January 30, 2002