1 EXHIBIT 11.1 Lamar Advertising Company and Subsidiaries Earnings Per Share Computation Information Years ended October 31, 1995 and 1996, the two months ended December 31, 1996 and the year ended December 31, 1997 Year Ended October 31 Two Months Ended Year Ended December 31 December 31, 1995 1996 1996 1997 ----------- ----------- ------------ ----------- Net earnings (loss) applicable to common stock $10,698,000 10,484,000 (8,115,000) 2,476,000 =========== =========== =========== =========== Weighted average common shares outstanding 50,658,161 41,134,476 45,520,784 47,037,497 Shares issuable upon exercise of stock options -- 114,057 -- 363,483 Weighted average common shares and common ----------- ----------- ----------- ----------- equivalents outstanding 50,658,161 41,248,533 45,520,784 47,400,980 =========== =========== =========== =========== Net earnings (loss) per common share basic and diluted $ 0.21 0.25 (0.18) 0.05 =========== =========== =========== =========== The above earnings per share (EPS) calculations are submitted in accordance with Statement of Financial Accounting Standards No. 128. An EPS calculation in accordance with Regulation S-K item 601 (b) (11)) is not shown above for the two months ended December 31, 1996 because it produces an antidilutive result. The following information is disclosed for purposes of calculating antidilutive EPS for that period. Weighted average common shares outstanding 45,520,784 Shares issuable upon exercise of stock options 547,018 ----------- Weighted average common shares and common share equivalents outstanding 46,067,802 =========== Net loss per common share $ (0.18) ===========