Pengrowth Energy Trust
NYSE : PGH
TSX : PGF.UN

Pengrowth Energy Trust
Pengrowth Corporation

Pengrowth Corporation

May 04, 2007 12:19 ET

Pengrowth Energy Trust Corrects Average Realized Prices Table in First Quarter 2007 Press Release

CALGARY, ALBERTA--(CCNMatthews - May 4, 2007) - Pengrowth Corporation, administrator of Pengrowth Energy Trust (TSX:PGF.UN) (NYSE:PGH), today issues a revised average realized prices table which appears in our first quarter 2007 press release issued earlier today. The prices for light crude oil (per bbl), natural gas (per mcf) and total (per boe) before realized commodity risk management have been corrected for the three months ended March 31, 2007 and March 31, 2006. All other pricing in the table and in the first quarter 2007 results release were correct. Please find a corrected table below.



Three months ended
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(Cdn$) Mar 31, 2007 Dec 31, 2006 Mar 31, 2006
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Light crude oil (per bbl) 63.59 60.94 65.06
after realized commodity risk
management 67.24 60.35 63.31
Heavy oil (per bbl) 41.54 37.61 29.18
Natural gas (per mcf) 7.59 6.82 8.74
after realized commodity risk
management 7.92 7.12 8.76
Natural gas liquids (per bbl) 49.67 52.69 58.23
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Total (per boe) 51.22 48.52 55.62
after realized commodity risk
management 53.30 49.24 55.04
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Benchmark prices
WTI oil (U.S.$ per bbl) 58.23 60.17 63.48
AECO spot gas (Cdn$ per gj) 7.02 6.36 8.79
NYMEX gas (U.S.$ per mmbtu) 6.77 6.56 8.98
Currency (U.S.$ per Cdn$) 0.85 0.88 0.87
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To access a full and corrected copy of our first quarter 2007 results, please visit our website at www.pengrowth.com.

PENGROWTH CORPORATION

James S. Kinnear, Chairman, President and Chief Executive Officer

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