Rockies Region 2007 LP Watch

from 10-Q ~10 pages Scope of Services

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 10-12G/A 35 pages Gas Purchase Agreement Dated as of June 1, 2006 Between Williams Production Rmt Company and Riley Natural Gas Company and Petroleum Development Corporation Gas Purchase Agreement

from 10-12G/A 46 pages General Provisions Domestic Crude Oil Agreements

from 10-12G/A 40 pages Gas Purchase and Processing Agreement Between Natural Gas Associates, a Colorado Partnership and Shf Partnership, a Colorado General Partnership Trailblazer Oil and Gas, Inc., a Utah Corporation Alfa Resources, Inc., a Colorado Corporation Pulsar Oil and Gas, Inc., a Utah Corporation Overthrust Oil Royalty Corporation, a Colorado Corporation Corvette Petroleum, Ltd., a British Columbia Corporation Robert Lanari, a Individual Toby A. Martinez, a Individual

from 10-12G/A 33 pages Gas Purchase and Processing Agreement Between Natural Gas Associates, a Colorado Partnership and Aceite Energy Corporation Walker Exploratory Program 1982-A Limited Creek Cattle Company

from 10-12G/A 24 pages Gas Purchase and Processing Agreement Between Duke Energy Field Services, Inc., a Colorado Corporation and United States Exploration, Inc, a Colorado Corporation and Petroleum Development Corporation, a Nevada Corporation

from 10-12G/A 35 pages Gas Purchase Agreement Dated as of June 1, 2006 Between Williams Production Rmt Company and Riley Natural Gas Company and Petroleum Development Corporation Gas Purchase Agreement

from 10-12G/A 46 pages General Provisions Domestic Crude Oil Agreements

from 10-12G/A 40 pages Gas Purchase and Processing Agreement Between Natural Gas Associates, a Colorado Partnership and Shf Partnership, a Colorado General Partnership Trailblazer Oil and Gas, Inc., a Utah Corporation Alfa Resources, Inc., a Colorado Corporation Pulsar Oil and Gas, Inc., a Utah Corporation Overthrust Oil Royalty Corporation, a Colorado Corporation Corvette Petroleum, Ltd., a British Columbia Corporation Robert Lanari, a Individual Toby A. Martinez, a Individual

from 10-12G/A 33 pages Gas Purchase and Processing Agreement Between Natural Gas Associates, a Colorado Partnership and Aceite Energy Corporation Walker Exploratory Program 1982-A Limited Creek Cattle Company

from 10-12G/A 24 pages Gas Purchase and Processing Agreement Between Duke Energy Field Services, Inc., a Colorado Corporation and United States Exploration, Inc, a Colorado Corporation and Petroleum Development Corporation, a Nevada Corporation

from 10-12G/A 14 pages Form of Drilling and Operating Agreement

from 10-12G/A 12 pages Assignment of Working Interest Wellbore Only

from 10-12G 14 pages Form of Drilling and Operating Agreement

from 10-12G 2 pages Assignment of Working Interest Wellbore Only