EX-15.B 8 d90789ex15-b.txt LETTER FROM ARTHUR ANDERSEN LLP EXHIBIT 15(b) October 22, 2001 Denbury Resources Inc. 5100 Tennyson Parkway Suite 3000 Dallas, TX 77002 Gentlemen: We are aware that Denbury Resources Inc. has incorporated by reference in its Registration Statement on Form S-4, covering the sale of 9% Series B Senior Subordinated Notes Due 2008, its Form 8-K/A dated July 24, 2001, which includes our report dated June 22, 2001, covering the unaudited interim financial information for Matrix Oil & Gas, Inc. for the quarter ended March 31, 2001, contained therein. Pursuant to Regulation C of the Securities Act of 1933, that report is not considered a part of the registration statement prepared or certified by our firm or a report prepared or certified by our firm within the meaning of Sections 7 and 11 of the Act. Very truly yours, /s/ Arthur Andersen LLP Arthur Andersen LLP