**CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEYACT OF 2002**

 

**CERTIFICATION**

 

I, Lynn Wiebe, certify that: 

 

| 1. |  | I have    reviewed this annual report on Form 20-F of Enterra Energy Trust; |
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| 2. |  | Based    on my knowledge, this report does not contain any untrue statement of a material fact or    omit to state a material fact necessary to make the statements made, in light of the    circumstances under which such statements were made, not misleading with respect to the    period covered by this report; |
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| 3. |  | Based    on my knowledge, the financial statements, and other financial information included in    this report, fairly present in all material respects the financial condition, results of    operations and cash flows of the registrant as of, and for, the periods presented in this    report; |
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| 4. |  | The    registrant’s other certifying officers and I are responsible for establishing and    maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-14    and 15d-14) for the registrant and we have: |
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|  | a) |  | designed    such disclosure controls and procedures to ensure that material information relating to    the registrant, including its consolidated subsidiaries, is made known to us by others    within those entities, particularly during the period in which this report is being    prepared; |
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|  | b) |  | evaluated    the effectiveness of the registrant’s disclosure controls and procedures as of a date    within 90 days prior to the filing date of this report (the “Evaluation Date”);    and |
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|  | c) |  | presented    in this report our conclusions about the effectiveness of the disclosure controls and    procedures based on our evaluation as of the Evaluation Date; |
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| 5. |  | The    registrant’s other certifying officers and I have disclosed, based on our most recent    evaluation, to the registrant’s auditors and the audit committee of registrant’s    board of directors (or persons performing the equivalent function): |
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|  | a) |  | all    significant deficiencies in the design or operation of internal controls which could    adversely affect the registrant’s ability to record, process, summarize and report    financial data and have identified for the registrant’s auditors any material    weaknesses in internal controls; and |
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|  | b) |  | any    fraud, whether or not material, that involves management or other employees who have a    significant role in the registrant’s internal controls; and |
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| 6. |  | The    registrant’s other certifying officers and I have indicated in this report whether or    not there were significant changes in internal controls or in other factors that could    significantly affect internal controls subsequent to the date of our most recent    evaluation, including any corrective actions with regard to significant deficiencies and    material weaknesses. |
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| /s/    Lynn    Wiebe         |
| Lynn Wiebe

**Chief Financial Officer**                                                  |