Pengrowth Energy Trust

Pengrowth Energy Trust
Pengrowth Corporation

Pengrowth Corporation

December 01, 2006 20:22 ET

Pengrowth Energy Trust Announces Extension of Its Offer to Purchase Outstanding Convertible Debentures

CALGARY, ALBERTA--(CCNMatthews - Dec. 1, 2006) - Pengrowth Corporation, administrator of Pengrowth Energy Trust (TSX:PGF.UN)(NYSE:PGH), (collectively, "Pengrowth") today announced that it has extended its offer to purchase all the outstanding 6.5 percent convertible extendible unsecured subordinated debentures (the "Debentures").

On November 1, 2006, Pengrowth made an offer to purchase all its outstanding Debentures at a price equal to 101 percent of the principal amount of the Debentures plus any accrued but unpaid interest (the "Offer"), which Offer was to expire at 5:00 PM Mountain Time on December 6, 2006 (the "Initial Expiry Time"). The Offer will now expire at 5:00 PM Mountain Time on December 12, 2006 (the "New Expiry Time").

Pursuant to the Offer, if before the Initial Expiry Time, a change in information occurred, that could reasonably be expected to affect a Debentureholder to accept or reject the Offer, Pengrowth would give notice of such change to Debentureholders, and provide at least 10 days following such notice, for Debentureholders to decide to tender their Debentures after consideration of such change in information.

On November 29, 2006, Pengrowth announced that it entered into an agreement to acquire Canadian oil and natural gas producing properties and undeveloped lands through the acquisition of four subsidiaries of Burlington Resources Limited, a subsidiary of ConocoPhillips for a purchase price of $1.0375 billion, subject to certain customary adjustments (the "CP Acquisition"). On that same date, Pengrowth also announced it commenced a marketed offering of approximately 20 million trust units through a syndicate of underwriters led by RBC Capital Markets, whereby the underwriters will have an option exercisable for a period of 30 days from the date of closing, to purchase up to 15% in additional trust units at a price equal to the offering price to cover over-allotment and for market stabilization purposes (the "Equity Offering").

The Initial Expiry Time did not allow for the 10 day minimum period for consideration of this change in information. Therefore the Offer is being extended to the New Expiry Time to accommodate this minimum time requirement. All other unrelated terms and conditions of the Offer remain unchanged and applicable.

Pengrowth Energy Trust is one of the larger energy royalty trusts in North America. Trust units trade on the Toronto Stock Exchange (PGF.UN) and the New York Stock Exchange (PGH). Through the purchase of trust units, unitholders participate in the ownership of a large portfolio of crude oil and natural gas properties, receiving the net cash flow (after expenses and other withholdings), paid monthly, as the oil and gas reserves are produced. Pengrowth's property portfolio is one of the strongest in the energy trust sector with a proved plus probable reserve life index of 10.6 years and a reserve base of 219.4 million boe at December 31, 2005. Pengrowth's assets are characterized by low decline rates and high development potential allowing for stable production.


James S. Kinnear, President


This news release shall not constitute an offer to sell or the solicitation of an offer to buy Pengrowth trust units, nor shall there be any sale of Pengrowth trust units in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction.

Caution Regarding Engineering Terms:

When used herein, the term "boe" means barrels of oil equivalent on the basis of one boe being equal to one barrel of oil or NGLs or 6,000 cubic feet of natural gas (6 mcf: 1 bbl). Barrels of oil equivalent may be misleading, particularly if used in isolation. A conversion ratio of six mcf of natural gas to one boe is based on an energy equivalency conversion method primarily applicable at the burner tip and does not represent a value equivalency at the wellhead.

The U.S. Securities and Exchange Commission ("SEC") permits United States oil and natural gas companies, in their filings therewith, to disclose only proved reserves net of royalties and interests of others that geological and engineering data demonstrate with reasonable certainty to be recoverable in future years from known reservoirs under existing economic and operating conditions. Canadian securities laws permit oil and natural gas companies, in their filings with Canadian securities regulators, to disclose reserves prior to the deduction of royalties and interests of others, and to disclose probable reserves. Probable reserves are of a higher risk and are generally believed to be less likely to be recovered than proved reserves. Certain reserve information included in the documents incorporated by reference to describe our reserves, such as "probable" reserve information, is prohibited in filings with the SEC by U.S. oil and natural gas companies.

Caution Regarding Forward Looking Information:

This press release contains forward-looking statements within the meaning of securities laws, including the "safe harbour" provisions of the Ontario Securities Act and the United States Private Securities Litigation Reform Act of 1995. Forward-looking information is often, but not always, identified by the use of words such as "anticipate", "believe", "expect", "plan", "intend", "forecast", "target", "project", "may", "will", "should", "could", "estimate", "predict" or similar words suggesting future outcomes or language suggesting an outlook. Forward-looking statements in this press release include, but are not limited to, statements with respect to the CP Acquisition, Equity Offering, business strategy and strengths, acquisition criteria, capital expenditures, reserves, reserve life indices, estimated production, remaining producing reserve lives, and development plans and programs. Statements relating to "reserves" are deemed to be forward-looking statements, as they involve the implied assessment, based on certain estimates and assumptions that the reserves described exist in the quantities predicted or estimated and can profitably be produced in the future.

Forward-looking statements and information are based on current beliefs as well as assumptions made by and information currently available to Pengrowth concerning anticipated financial performance, business prospects, strategies and regulatory developments. Although management considers these assumptions to be reasonable based on information currently available to it, they may prove to be incorrect.

By their very nature, forward-looking statements involve inherent risks and uncertainties, both general and specific, and risks that predictions, forecasts, projections and other forward-looking statements will not be achieved. We caution readers not to place undue reliance on these statements as a number of important factors could cause the actual results to differ materially from the beliefs, plans, objectives, expectations and anticipations, estimates and intentions expressed in such forward-looking statements. These factors include, but are not limited to: the volatility of oil and gas prices; production and development costs and capital expenditures; the imprecision of reserve estimates and estimates of recoverable quantities of oil, natural gas and liquids; Pengrowth's ability to replace and expand oil and gas reserves; environmental claims and liabilities; incorrect assessments of value when making acquisitions; increases in debt service charges; the loss of key personnel; the marketability of production; defaults by third party operators; unforeseen title defects; fluctuations in foreign currency and exchange rates; inadequate insurance coverage; compliance with environmental laws and regulations; changes in tax laws; the failure to qualify as a mutual fund trust; and Pengrowth's ability to access external sources of debt and equity capital. Further information regarding these factors may be found under the heading "Business Risks" in our management's discussion and analysis for the year ended December 31, 2005 and under "Risk Factors" in our Annual Information Form dated March 29, 2006.

The foregoing list of factors that may affect future results is not exhaustive. When relying on our forward-looking statements to make decisions, investors and others should carefully consider the foregoing factors and other uncertainties and potential events. Furthermore, the forward-looking statements contained in this press release are made as of the date of this press release, and Pengrowth does not undertake any obligation to up-date publicly or to revise any of the included forward-looking statements, whether as a result of new information, future events or otherwise. The forward-looking statements contained in this press release are expressly qualified by this cautionary statement.

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