Year to year comparisions prior to the closing date may not reflect the final total of the current partnership, due to a variety of factors including but not limited to the starting and ending dates of the partnerships, changes in oil and gas prices or drilling costs, general economic conditions and a variety of other factors. If the company fails to close a partnership for any reason, it would be required to refund investor subscriptions.

This is neither an offer to sell nor a solicitation of an offer to buy units in the PDC 2004-2006 Drilling Program. The offering is made by prospectus only in states which have authorized the sale of this offering, and only from securities dealers who may lawfully offer the security of such states. Neither the Attorney General of any state, nor the Bureau of Securities of any State has passed on or endorsed the merits of this offering. Any representation to the contrary is unlawful.