Rockies Region Private LP – Material Contracts Watch

from 10-Q 6 pages The Partnership Has Redacted Certain Confidential Information in This Agreement in Reliance Upon Its Confidential Treatment Request That It Has Filed With the Securities and Exchange Commission Pursuant to Rule 24b-2 Under the Securities Exchange Act of 1934. in This Agreement, We Indicate Each Redaction by Use of Asterisk *. Final Copy Physicaltransaction Confirmation Date : October 10, 2008 To: Petroleum Development Corporation Confidential Transaction Number: 155029 Version: 2 Contract Term: 01/01/2009-01/01/2011 the Following Confirms the Terms of the Agreement for the Transaction Made on April 22,2008 Between Suncor Energy Marketing Inc. and Petroleum Development Corporation

from 10-K 11 pages Form of Drilling and Operating Agreement

from 10-K 12 pages Assignment of Working Interest Well Bore Only