Pengrowth Energy Trust Clarifies Record Date for the January 15, 2009 Cash Distribution

CALGARY, ALBERTA--(Marketwire - Dec. 20, 2008) - Pengrowth Corporation, administrator of Pengrowth Energy Trust (TSX:PGF.UN)(NYSE:PGH), today announced clarification to its January 15, 2009 cash distribution news release. The record date for the January 15, 2009 distribution will be December 31, 2008 with an ex-distribution date of December 29, 2008. The cash distribution of Cdn $0.17 per trust unit will be payable to all Pengrowth unitholders who hold trust units on the record date of December 31, 2008.

PENGROWTH CORPORATION

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

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