1 Exhibit 99.1 LAMAR ADVERTISING COMPANY UNAUDITED PRO FORMA CONDENSED CONSOLIDATED STATEMENT OF EARNINGS The following sets forth the unaudited pro forma condensed consolidated statement of earnings (loss) for the year ended December 31, 1997 giving effect to the acquisitions of Penn Advertising, Inc. ("Penn") and National Advertising Company ("3M"), as if each had occurred on January 1, 1997. For purposes of the pro forma financial information, the statement of earnings of the Company for its fiscal year ended December 31, 1997 has been combined with the statements of earnings of Penn for the three months ended March 31, 1997 (the period prior to the acquisition) and the statement of revenues and direct expenses for the assets acquired in the 3M Acquisition for the six month period ended June 30, 1997. The unaudited pro forma condensed consolidated financial statement gives effect to each of the acquisitions under the purchase method of accounting. All references to share and per share information contained herein reflect the 3-for-2 split of shares of the Company's common stock effected by means of a 50% stock dividend paid on February 27, 1998. The unaudited pro forma condensed consolidated financial statement has been prepared by the Company's management. The unaudited pro forma data are not designed to represent and do not represent what the Company's results of operations or financial position would have been had the aforementioned transactions been completed on or as of the dates assumed, and are not intended to project the Company's results of operations for any future period or as of any future date. 2 LAMAR ADVERTISING COMPANY UNAUDITED PRO FORMA CONDENSED CONSOLIDATED STATEMENT OF EARNINGS (LOSS) YEAR ENDED DECEMBER 31, 1997 (DOLLARS IN THOUSANDS, EXCEPT PER SHARE DATA) Penn 3M Pro Forma Acquisition Pro Forma Acquisition Combined as Lamar Penn Adjustments Combined 3M Adjustments Adjusted for 3M --------- ------- ----------- --------- -------- ------------ --------------- Revenues: Outdoor advertising, net ......... $ 200,508 $ 6,480 $ (639)(1) $ 206,349 $ 10,560 $ $ 216,909 Other income ..................... 554 20 (4)(1) 570 570 --------- ------- ------- --------- -------- --------- Total net revenues .............. 201,062 6,500 (643) 206,919 10,560 217,479 --------- ------- ------- --------- -------- --------- Direct advertising expenses ...... 63,390 2,412 488(1)(2) 66,290 7,364 (1,539)(7) 72,115 General and administrative expenses ........................ 45,368 2,240 (1,195)(1)(2) 46,413 533 (533)(7) 46,413 Depreciation and amortization .... 48,037 727 1,709(3) 50,473 738 3,817(8) 55,028 --------- ------- ------- --------- -------- --------- --------- Total operating expenses ........ 156,795 5,379 1,002 163,176 8,635 1,745 173,556 --------- ------- ------- --------- -------- --------- --------- Operating income .................. 44,267 1,121 (1,645) 43,743 1,925 (1,745) 43,923 --------- ------- ------- --------- -------- --------- --------- Non-operating expense (income): Interest income .................. (1,723) 1,045(1)(5) (678) (678) Interest expense ................. 38,230 976 (93)(4) 39,113 4,275(9) 43,388 Loss (gain) on disposition of assets........................... (15) 3(1) (12) (12) Other expenses ................... 280 287 (287)(1) 280 280 --------- ------- ------- --------- --------- --------- Total non-operating expense ..... 36,772 1,263 668 38,703 4,275 42,978 --------- ------- ------- --------- --------- --------- Earnings (loss) before income taxes ........................... 7,495 (142) (2,313) 5,040 1,925 (6,020) 945 Income tax expense (benefit) ...... 4,654 (50) (483)(6) 4,121 (1,638)(6) 2,483 --------- ------- ------- --------- -------- --------- --------- Net earnings (loss) ............... $ 2,841 $ (92) (1,830) $ 919 $ 1,925 $ (4,382) $ (1,538) ========= ======= ======= ========= ======== ========= ========= Preferred stock dividends.......... (365) (365) (365) --------- --------- --------- Net earnings (loss) applicable to common stock...................... 2,476 554 (1,903) ========== ========== ========== Net earnings (loss) per common share - basic.............. $ 0.05 $ 0.01 $ (0.04) ========== ========== ========== Net earnings (loss) per common share - diluted............ $ 0.05 $ 0.01 $ (0.04) ========== ========== ========== Weighted average number of common shares outstanding................ 47,037,497 47,037,497 47,037,497 ========== ========== ========== Incremental common shares from dilutive stock options............ 363,483 363,483 363,483 ========== ========== ========== Weighted average number of common shares outstanding assuming dilution......................... 47,400,980 47,400,980 47,400,980 ========== ========== ========== 3 NOTES TO UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (dollars in thousands) For purposes of determining the pro forma effect of the Penn and 3M acquisitions on the Company's unaudited Condensed Consolidated Statement of Earnings (Loss) for the year ended December 31, 1997, the following adjustments have been made: Year Ended December 31, 1997 ----------------- (1) To reclassify amounts in order to conform to the Company's presentation: Outdoor advertising, net . . . . . . . . . . . . . . . . . . . $ (639) Other income . . . . . . . . . . . . . . . . . . . . . . . . . (4) Direct expenses . . . . . . . . . . . . . . . . . . . . . . . . 559 General and administrative expenses . . . . . . . . . . . . . . (914) Interest income . . . . . . . . . . . . . . . . . . . . . . . . (4) Loss on disposition of assets . . . . . . . . . . . . . . . . . 3 Other expenses . . . . . . . . . . . . . . . . . . . . . . . . (287) (2) To eliminate management fees charged by Penn's former parent company included in the historical financial statements that would not have existed had the transaction taken place in the beginning of the period: Direct expenses . . . . . . . . . . . . . . . . . . . . . . . . (71) General and administrative . . . . . . . . . . . . . . . . . . (281) (3) Represents incremental amortization and depreciation due to the application of purchase accounting. Depreciation and amortization are calculated using accelerated and straight line methods over the estimated useful lives of the assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,709 (4) Represents the net effect on interest expense resulting from (i) additional borrowings assumed in the acquisitions and (ii) the elimination of interest expense on debt not assumed in the acquisitions . . . . . . . . . (93) (5) To eliminate interest income on the Company's historical financial statements that would not have existed had the Recent Acquisitions taken place at the beginning of the period . . . . . . . . . . . . . . . 1,049 (6) To record the tax effect on pro forma statements for: Penn Acquisition . . . . . . . . . . . . . . . . . . . . . . . . . (483) 3M Acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . (1,638) (7) To record (a) a decrease in payroll and payroll related costs in direct advertising and general and administrative expense categories due to the termination of employees in the following functions; and (b) the elimination of general corporate allocations not considered attributable to assets acquired as follows: 4 Direct Advertising: Elimination of production and sales overhead functions and corporate overhead allocations . . . . . . . . . . . . . (1,053) Elimination of national sales and marketing costs . . . . . . . (486) --------- Total direct advertising . . . . . . . . . . . . . . . . . . (1,539) ========= General and Administrative: Elimination of national office function, accounting and administrative personnel and corporate allocations . . . . . . . . . . . . . . . . . . . . . . . . (533) ========= (8) Represents incremental amortization and depreciation due to the application of purchase accounting in recording the 3M Acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,817 ========= (9) Represents the incremental interest expense resulting from the borrowing of $114 million used to finance the 3M Acquisition, as if the transaction had taken place at the beginning of the period . . . . . . . . . . . . . . . . . . . . . 4,275 =========