Summary of OMNI ENERGY SERVICES CORP

Item 4.01. Changes in Registrant's Certifying Accountant.

(a) On March 25, 2009, the Audit Committee of the Board of Directors (the "Audit Committee") of OMNI Energy Services Corp. (the "Company") dismissed Pannell Kerr Forster of Texas, P.C. ("PKF") as the Company's independent registered public accounting firm effective as of March 25, 2009, the date that notification was given to PKF of the decision. The actions of the Audit Committee were ratified by the Board of Directors of the Company on March 25, 2009.

The reports of PKF on the Company's consolidated financial statements for its fiscal years ended December 31, 2008 and 2007 did not contain any adverse opinion or disclaimer of opinion and were not qualified of modified as to uncertainty, audit scope or accounting principle.

During the Company's fiscal years ended December 31, 2008 and 2007 and through March 25, 2009, (i) there were no disagreements with PKF on any matter of accounting principles or practices, financial statement disclosure or auditing scope or procedure, which, if not resolved to the satisfaction of PKF, would have cause PKF to make reference to the subject matter of the disagreement in connection with its reports for such years, and (ii) there were no "reportable events" as defined in Item 304(a)(1)(v) of Regulation S-K.

The Company has provided PKF with a copy of the foregoing disclosure and has requested that PKF furnish the Company with a letter addressed to the Securities and Exchange Commission stating whether or not it disagrees with the above statements. A copy of the letter from PKF, dated March 30, 2009 is attached as Exhibit 16.1 to this Current Report on Form 8-K.

(b) On March 25, 2009, the Audit Committee approved the selection Grant Thornton L.L.P. ("GT") as the Company's new independent registered public accounting firm. The actions of the Audit Committee were ratified by the Board of Directors of the Company on March 25, 2009. The appointment of GT will be presented to the shareholders for ratification at the Company's 2009 Annual Meeting of Shareholders. During the Company's fiscal years ended December 31, 2008 and 2007 and through March 25, 2009, the date of the selection of GT, neither the Company, nor any person on their behalf, have consulted with GT with respect to either (i) the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit opinion that might be rendered on the Company's consolidated financial statements, and no written report or oral advice was provided by GT to the Company that GT concluded was an important factor considered by the Company in reaching a decision as to the accounting, auditing, or financial reporting issue, or (ii) any matter that was either the subject of a disagreement as defined in Item 304(a)(1)(iv) of Regulation S-K or a reportable event as described in Item 304(a)(1)(v) of Regulation S-K