Enterra Energy Trust
TSX : ENT.UN
NYSE : ENT

Enterra Energy Trust

March 24, 2006 09:03 ET

Enterra Energy Trust Updates Increase To Exchangeable Share Ratios

CALGARY, Alberta--(CCNMatthews - Mar 24, 2006) -

Enterra Energy Trust (TSX: ENT.UN, NYSE: ENT) updates the increase to the exchange ratio of the exchangeable shares of Enterra Energy Corp. from 1.23182 to 1.24432 and an increase to the exchange ratio of Rocky Mountain Acquisition Corp. exchangeable shares from 1.05302 to 1.06371. These increases are effective on March 15, 2006.

The increase in the exchange ratio of Enterra Energy Corp. exchangeable shares is calculated as follows:



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Record date of Enterra Energy Trust distribution February 28, 2006
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Opening exchange ratio 1.23182
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Enterra Energy Trust distribution per unit US$0.18
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Ten-day weighted-average US$ trading price of ENT US$17.73
(prior to March 15, 2006)
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Increase in exchange ratio * 0.01250
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Effective date of the increase in exchange ratio March 15, 2006
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Exchange ratio as of effective date 1.24432
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The increase in the exchange ratio of Rocky Mountain Acquisition Corp. exchangeable shares is calculated as follows:



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Record date of Enterra Energy Trust distribution February 28, 2006
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Opening exchange ratio 1.05302
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Enterra Energy Trust distribution per unit US$0.18
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Ten-day weighted-average US$ trading price of ENT US$17.73
(prior to March 15, 2006)
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Increase in exchange ratio * 0.01069
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Effective date of the increase in exchange ratio March 15, 2006
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Exchange ratio as of effective date 1.06371
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* The increase in the exchange ratio is calculated by multiplying the Enterra Energy Trust distribution per unit by the opening exchange ratio and dividing by the ten-day weighted average US$ trading price of ENT.

Holders of Enterra Energy Corp. exchangeable shares or Rocky Mountain Acquisition Corp. exchangeable shares can exchange all or a portion of their holdings at any time by giving notice to their investment advisor or Olympia Trust Company at its principal transfer office at Suite 2300, 125 - 9th Avenue SE, Calgary, Alberta T2G 0P6.

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