1 EXHIBIT 11.1 Lamar Advertising Company and Subsidiaries Earnings Per Share Computation Information Years ended December 31, 1999, 1998 and 1997 Year Ended Year Ended Year Ended December 31, December 31, December 31, 1999 1998 1997 ------------ ------------ ------------ Net earnings (loss) applicable to common stock $(44,900,000) $(12,255,000) $ 2,476,000 ============ ============ ============ Weighted average common shares outstanding 69,115,764 51,361,522 47,037,497 Shares issuable upon exercise of stock options -- -- 363,486 Incremental shares from convertible debt -- -- -- ------------ ------------ ------------ Weighted average common shares and common equivalents outstanding 69,115,764 51,361,522 47,400,980 ============ ============ ============ Net earnings (loss) per common share basic and diluted $ (0.65) $ (0.24) $ 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 years ended December 31, 1999 and 1998 because it produces an antidilutive result. The following information is disclosed for purposes of calculating antidilutive EPS for that period. Year Ended Year Ended Year Ended December 31, December 31, December 31, 1999 1998 1997 ------------ ------------ ------------ Net earnings (loss) applicable to common stock $(44,900,000) $(12,255,000) $ 2,476,000 Income impact of assumed conversions 3,581,974 -- -- ------------ ------------ ------------ Earnings (loss) available to common shareholders + assumed conversion (41,318,026) (12,255,000) 2,476,000 ============ ============ ============ Weighted average common shares outstanding 69,115,764 51,361,522 47,037,497 Shares issuable upon exercise of stock options 599,363 505,558 363,483 Incremental shares from convertible debt 2,418,361 -- -- ------------ ------------ ------------ Weighted average common shares plus dilutive potential common shares 72,133,488 51,867,080 47,400,980 ============ ============ ============ Net earnings (loss) per common share - diluted $ (0.57) $ (0.24) $ 0.05 ============ ============ ============