EXHIBIT 99.3 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS The following Unaudited Pro Forma Condensed Combined Statements of Operations for the year ended December 31, 2003 and for the six months ended June 30, 2004 have been prepared to give effect to the recent acquisition by OMNI Energy Services Corp (the "Company") of Trussco, Inc. and Trussco Properties, L.L.C. on June 30, 2004, and to assist investors and readers of our financial statements in understanding what our combined results could be on an annual basis had the acquisitions of American Helicopters, Inc., Trussco, Inc. and Trussco Properties, L.L.C. occurred on January 1, 2003 and January 1, 2004. The unaudited pro forma statements of income for the year ended December 31, 2003 and the six months ended June 30, 2004 give pro forma effect to: (1) the acquisition on June 30, 2004 of Trussco, Inc. and Trussco Properties, LLC and (2) the acquisition of American Helicopter, Inc. ("AHI") on November 19, 2003, as if the acquisitions had occurred on January 1, 2003. The financial information for Trussco, Inc. and Trussco Properties, L.L.C. (hereinafter "Trussco") has been combined in the pro forma statements of income to reflect the acquisitions of the two entities from the common selling stockholder. The unaudited pro forma information is based upon available information and certain assumptions and adjustments, described in the accompanying notes, that the Company believes are reasonable in the circumstances. Pro forma adjustments are applied to the historical financial statements of the Company, AHI and Trussco. The Unaudited Pro Forma Condensed Combined Statements of Operations do not purport to represent what our results of operations actually would have been if the events described above had occurred as of the dates indicated or what our results will be in future periods. The acquisition of AHI and Trussco are accounted for under the purchase method of accounting. The purchase price allocation, related to Trussco, among the assets acquired and the assignment of lives to the intangible assets are preliminary and subject to further evaluation, as the Company has not yet finalized its valuation of assets acquired. The Unaudited Pro Forma Condensed Combined Financial Statements of Income should be read in conjunction with the Company's historical Consolidated Financial Statements and related Notes thereto, Management's Discussion and Analysis of Financial Condition and Results of Operations included in the Company's Annual Report on Form 10-K/A, as amended on September 13, for the year ended December 31, 2003 and the Quarterly Reports on Form 10-Q for the quarters ended March 31 and June 30, 2004 (unaudited). OMNI ENERGY SERVICES CORP. PRO FORMA CONDENSED COMBINED STATEMENTS OF OPERATIONS FOR THE YEAR ENDED DECEMBER 31, 2003 (IN THOUSANDS) UNAUDITED <Table> <Caption> TOTAL PRO FORMA YEAR ENDED PRO FORMA CONSOLIDATED PRO FORMA DECEMBER 31, OMNI AHI(a) ADJUSTMENTS OMNI TRUSSCO(b) ADJUSTMENTS 2003 ---------- --------- ---------- ---------- ---------- -------------- ----------- Operating revenue .................. $ 37,055 $ 9,599 $ -- $ 46,654 $ 19,365 $ -- $ 66,019 Operating expense .................. 28,741 7,152 (744)1 35,149 12,938 722 5 48,809 ---------- --------- ---------- ---------- ---------- ---------- ---------- Gross profit (loss) ................ 8,314 2,447 744 11,505 6,427 (722) 17,210 General and administrative expense . 4,820 1,687 101 2 6,608 3,807 500 6 10,915 ---------- --------- ---------- ---------- ---------- ---------- ---------- Operating income (loss) ............ 3,494 760 643 4,897 2,620 (1,222) 6,295 Interest expense ................... 999 233 100 3 1,332 217 700 7 2,249 Other (income) expense ............. 245 19 -- 264 (414) (64)8 (214) ---------- --------- ---------- ---------- ---------- ---------- ---------- Income (loss) before income taxes .. 2,250 508 543 3,301 2,817 (1,858) 4,260 Income tax (benefit) expense ....... (1,600) 173 (173)4 (1,600) -- -- (1,600) ---------- --------- ---------- ---------- ---------- ---------- ---------- Net income (loss) from continuing operations ............. $ 3,850 $ 335 $ 716 $ 4,901 $ 2,817 $ (1,858) $ 5,860 ========== ========= ========== ========== ========== ========== ========== Accretion of preferred stock and preferred stock dividends ..... $ (484) $ -- $ -- $ (484) $ -- $ -- $ (484) ========== ========= ========== ========== ========== ========== ========== Net income (loss) from continuing operations applicable to common and common equivalent shares $ 2,999 $ 335 $ 716 $ 4,050 $ 2,817 $ (1,858) $ 5,009 ========== ========= ========== ========== ========== ========== ========== Basic income per common share: Income from continuing operations ..................... $ 0.38 $ -- $ -- $ -- $ --- $ -- $ 0.61 Diluted income per common share: Income from continuing operations ..................... $ 0.34 $ -- $ -- $ -- $ -- $ -- $ 0.52 Number of shares used in calculating earnings per share: Basic .......................... 8,772 -- -- -- -- -- 8,772 Diluted ........................ 11,362 -- -- -- -- -- 11,362 </Table> (a) For the period January 1, 2003 through acquisition date of November 19, 2003. (b) Includes the combined accounts of Trussco, Inc. and Trussco Properties, L.L.C., which were acquired simultaneously from the same selling shareholders. SEE PURCHASE PRICE ALLOCATION IN NOTES TO UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF OPERATIONS SEE NOTES TO UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENTS OF OPERATIONS OMNI ENERGY SERVICES CORP. PRO FORMA CONDENSED COMBINED STATEMENTS OF OPERATIONS FOR THE SIX MONTHS ENDED JUNE 30, 2004 (IN THOUSANDS) UNAUDITED <Table> <Caption> TOTAL SIX PRO FORMA MONTHS ENDED OMNI TRUSSCO (a) ADJ. JUNE 30, 2004 ---------- ------------ ---------- ------------- Operating revenue........................................ $ 25,088 $ 9,474 $ -- $ 34,562 Operating expense........................................ 19,565 6,112 362 1 26,039 ---------- ---------- ---------- ---------- Gross profit (loss)...................................... 5,523 3,362 (362) 2 8,523 General and administrative expense....................... 4,920 2,482 250 2 7,652 ---------- ---------- ---------- ---------- Operating income (loss).................................. 603 880 (612) 871 Interest expense......................................... 1,609 73 350 3 2,032 Other (income) expense................................... 147 (15) (32) 4 100 ---------- ---------- ---------- ---------- Income (loss) before taxes............................... (1,153) 822 (930) (1,261) Income tax benefit -- -- -- -- ---------- ---------- ---------- ---------- Net income (loss) from continuing operations............. $ (1,153) $ 822 $ (930) $ (1,261) ========== ========== ========== ========== Accretion of preferred stock and preferred stock dividends............................................... $ (490) $ -- $ -- $ (490) ========== ========== ========== ========== Net income (loss) from continuing operations applicable to common and common equivalent shares....... $ (1,643) $ 822 $ (930) $ (1,751) ========== ========== ========== ========== Net income (loss) from continuing operations per common share: Basic................................................ $ 0.16 $ -- $ -- $ 0.17 Diluted.............................................. $ 0.16 $ -- $ -- $ 0.17 Weighted average common shares outstanding: Basic................................................ 10,502 -- -- 10,502 Diluted.............................................. 10,502 -- -- 10,502 </Table> (a) Includes the combined accounts of Trussco, Inc. and Trussco Properties, L.L.C., which were acquired simultaneously from the same selling shareholders. SEE PURCHASE PRICE ALLOCATION IN NOTES TO UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF OPERATIONS SEE NOTES TO UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF OPERATIONS NOTES TO UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF OPERATIONS (IN THOUSANDS) The following are footnotes to the Unaudited Pro Forma Condensed Combined Statement of Operations for the year ended December 31, 2003: AHI 1 Reflects for the year ended December 31, 2003, pro forma adjustments for AHI of $(744) for the following reasons. One is a reduction of rental expense of $240 due to the purchase of aircraft totaling $1,250 by OMNI which had previously been accounted for as operating leases by AHI. The second is a net decrease in depreciation expense of $504 due to 1) a decrease in depreciation expense resulting from an increase in salvage values of fixed assets from 10% to 30% to conform to OMNI's estimated salvage values and 2) a decrease in depreciation expense resulting from an increase in useful lives of ten years at acquisition offset by 3) an increase in depreciation expense resulting from the increase in values of fixed assets resulting from the purchase price allocation and 4) an increase in depreciation expense resulting from the purchase of $1,250 of aircraft previously accounted for as operating leases by AHI. 2 Reflects for the year ended December 31, 2003, pro forma adjustments for AHI of $100 for an increase in salaries of $201 under new compensation agreements with management of AHI entered into at acquisition offset by a reduction in stockholder expenses of $100 that will be eliminated by the new compensation agreements with management/stockholders at acquisition. 3 Reflects for the twelve months ended December 31, 2003, pro forma adjustments for AHI of $100 for an increase in interest expense for debt on acquired aircraft of $1,250 which were previously operating leases. 4 Reflects for the twelve months ended December 31, 2003, pro forma adjustments for AHI of $(173) for a reduction in income taxes due to future consolidated tax provisions with OMNI and use of NOL carry forwards. TRUSSCO 5 Reflects for the year ended December 31, 2003, pro forma adjustments for Trussco of $722 for increased depreciation based on the increase of approximately $3,766 in the fair market value of assets acquired in the acquisition with assumed estimated useful lives of five years. 6 Reflects for the year ended December 31, 2003, pro forma adjustments for Trussco of $500 for increased amortization based on the increase of approximately $2,500 in the fair market value of intangible assets acquired in the acquisition with assumed estimated useful lives of five years. 7 Reflects for the year ended December 31, 2003, pro forma adjustments for Trussco of $700 for an increase in interest expense on a total estimated borrowing of approximately $10,339 to fund the purchase of Trussco at OMNI's average borrowing rate of 6.8%. 8 Reflects for the twelve months ended December 31, 2003, pro forma adjustment for Trussco of $(64) for a reduction in stockholder expenses that will be eliminated by new compensation agreements with management/stockholders at acquisition. The following are footnotes to the Unaudited Pro Forma Condensed Combined Statement of Operations for the six months ended June 30, 2004: TRUSSCO 1 Reflects for the six months ended June 30, 2004, pro forma adjustments for Trussco of $362 for increased depreciation based on the increase of approximately $3,766 in the fair market value of assets acquired in the Trussco acquisition with an assumed estimated useful life of five years. 2 Reflects for the six months ended June 30, 2004, pro forma adjustments for Trussco of $250 for increased amortization based on the increase of approximately $2,500 in the fair market value of intangible assets acquired in the acquisition with assumed estimated useful lives of five years. 3 Reflects for the six months ended June 30, 2004, pro forma adjustment for Trussco of $350 for an increase in interest expense on a total estimated purchase price of approximately $10,339 at OMNI's average borrowing rate of 6.8%. 4 Reflects for the six months ended June 30, 2004, pro forma adjustments for Trussco of $(32) for a reduction in stockholder expenses that will be eliminated by new compensation agreements with management/ stockholders at acquisition. The following is a summary of the preliminary estimated purchase price at June 30, 2004 (in thousands): <Table> Cash Paid at Closing To Selling Stockholders ............................................. $ 6,000 Selling Stockholder Notes Payable ................................... 977 Whitney Bank Line of Credit ......................................... 362 ------- 7,339 Note Payable to Former Stockholders ................................. 3,000 Assumption of Debt Current liabilities ................................................. 1,460 Ford Credit ......................................................... 35 GE Capital .......................................................... 3 Abbeville Offshore Quarters ......................................... 54 Federal Signal ...................................................... 74 Midsouth Bank ....................................................... 5 Xerox ............................................................... 6 ------- .................................................................... 1,637 ------- TOTAL ............................................................... $11,976 ======= </Table> The preliminary allocation of the estimated purchase price is based on internally prepared preliminary assessment of the fair value of the assets and liabilities of Trussco at June 30, 2004 which is as follows: <Table> Current Assets ...................................................... $ 3,643 Fixed Assets ........................................................ 5,814 Other Assets ........................................................ 2,519 Assumption of debt .................................................. (1,637) Stockholder Notes ................................................... (3,000) ------- TOTAL ........................................................... $ 7,339 ======= </Table>