| I,                      Michael                      E. Mercer, certify that: |
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| 1.                                                                            | I                      have reviewed this quarterly report on Form 10-Q of EV Energy                      Partners,                      L.P.; |
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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 officer and I are responsible for                      establishing and maintaining disclosure controls and procedures                      (as                      defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for                      the registrant                      and have: |
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|                                                                          | a) | Designed                      such disclosure controls and procedures, or caused such disclosure                      controls and procedures to be designed under our supervision,                      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) | [Intentionally                      omitted pursuant to SEC Release No. 34-47986]; |
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|                                                                          | c) | Evaluated                      the effectiveness of the registrant’s disclosure controls and procedures                      and presented in this report our conclusions about the effectiveness                      of                      the disclosure controls and procedures, as of the end of the                      period                      covered by this report based on such evaluation; and |
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|                                                                          | d) | Disclosed                      in this report any change in the registrant’s internal control over                      financial reporting that occurred during the registrant’s most recent                      fiscal quarter (the registrant’s fourth fiscal quarter in the case of an                      annual report) that has materially affected, or is reasonably                      likely to                      materially affect, the registrant’s internal control over financial                      reporting; and |
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| 5.                                                                            | The                      registrant’s other certifying officer and I have disclosed, based on our                      most recent evaluation of internal control over financial reporting,                      to                      the registrant’s auditors and the audit committee of the registrant’s                      board of directors (or persons performing the equivalent functions): |
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|                                                                          | a) | All                      significant deficiencies and material weaknesses in the design                      or                      operation of internal control over financial reporting which                      are                      reasonably likely to adversely affect the registrant’s ability to record,                      process, summarize and report financial information; 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 control                      over financial reporting. |

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| Date: November 14, 2007 | By:                                                                                                                                                                                                          | /s/ MICHAEL E. MERCER  |
|                    | Michael                      E. Mercer                                                                                                                                                                                 |
|                    | Chief                              Financial Officer of EV Management LLC, general                              partner of EV Energy GP, L.P.,general                              partner of EV Energy Partners, L.P. |