EXHIBIT 10.47 EXPLANATORY NOTE: The following Attachment A to Form of Change of Control Executive Severance Agreement shall supersede the prior Attachment A previously filed on November 13, 2001 as Exhibit 10.1 (the "Exhibit") to the Quarterly Report on Form 10-Q by St. Mary Land & Exploration Company for the quarterly period ended September 30, 2001. The text of the Form of Change of Control Executive Severance Agreement preceding the prior Attachment A in the Exhibit is not changed hereby. Attachment A to Form of Change of Control Executive Severance Agreement Executives with Change of Control Executive Severance Agreements: All employees of St. Mary Land & Exploration Company who have an officer title of Vice President or an officer title which is senior to a Vice President.