1 EXHIBIT 11 INTERNATIONAL AIRCRAFT INVESTORS COMPUTATION OF EARNINGS PER SHARE Years Ended December 31, ---------------------------------------- 1994 1995 1996 ------------- ------------ ------------- Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 1,069,354 $ 870,711 $ 1,035,260 ============= ============ ============ Weighted average common shares outstanding . . . . . . . . . . . . . . . 215,000 215,000 315,000 Weighted average common stock equivalents: Stock options determined using the treasury stock method . . . . . . 1,910,452 1,910,452 1,865,096 Convertible preferred stock . . . . . . . . . . . . . . . . . . . . . 4,941,000 4,941,000 4,941,000 Convertible debt . . . . . . . . . . . . . . . . . . . . . . . . . . 700,000 700,000 700,000 ------------- ------------ ------------ Weighted average common and common equivalent shares outstanding . . . . 7,766,452 7,766,452 7,821,096 ============= ============ ============ Net income per share . . . . . . . . . . . . . . . . . . . . . . . . . . $ 0.14 $ 0.11 $ 0.13 ============= ============ ============ Detailed calculation of shares issuable from the assumed exercise of stock options: Calculation of proceeds upon exercise of options Number of stock options considered to be common stock equivalents . 4,483,285 4,483,285 4,383,285 Weighted average exercise price . . . . . . . . . . . . . . . . . . 1.05 1.05 1.05 ------------- ------------ ------------ $ 4,707,449 $ 4,707,449 4,601,399 ============= ============ ============ Calculation of shares that could be repurchased upon exercise of stock options: Proceeds upon exercise of options . . . . . . . . . . . . . . . . . $ 4,707,449 $ 4,707,449 4,601,399 Assumed fair market value . . . . . . . . . . . . . . . . . . . . . 1.83 1.83 1.83 ------------- ------------ ------------ Shares that could be repurchased . . . . . . . . . . . . . . . . 2,572,833 2,572,833 2,518,189 ============= ============ ============ Common stock equivalents for stock options using the treasury stock method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,910,452 1,910,452 1,865,096 ============= ============ ============ Detailed calculation of shares issuable for the assumed conversion of convertible preferred stock Convertible preferred stock considered to be common stock equivalents 4,941,000 4,941,000 4,941,000 Conversion ratio . . . . . . . . . . . . . . . . . . . . . . . . . . one for one one for one one for one ------------- ------------ ------------ Common stock equivalents for convertible preferred stock . . . . . . 4,941,000 4,941,000 4,941,000 ============= ============ ============ Detailed calculation of shares issuable from the assumed conversion of convertible debt: Convertible debt considered to be common stock equivalents . . . . . $ 700,000 $ 700,000 700,000 Conversion ratio . . . . . . . . . . . . . . . . . . . . . . . . . . one for one one for one one for one ------------ ------------ ------------ Common stock equivalents for convertible debt . . . . . . . . . . . . 700,000 700,000 700,000 ============= ============ ============ 1 2 EXHIBIT 11 INTERNATIONAL AIRCRAFT INVESTORS COMPUTATION OF SUPPLEMENTAL EARNINGS PER SHARE(1) YEAR ENDED DECEMBER 31, 1996 Net income $ 1,035,260 Addback interest expense from reduction of debt from conversion of stock options, net of income taxes 174,674 -------------- Net income as adjusted $ 1,209,934 ============== Weighted average common shares outstanding 52,500 -------------- Weighted average common stock equivalents: Exercise Stock options 358,047 Conversion of convertible preferred stock 801,277 Stock options determined using the treasury stock method 169,318 Convertible preferred stock 22,222 Convertible debt 116,667 -------------- Weighted average common and common equivalent shares outstanding 1,520,030 ============== Net income per share $ 0.80 ============== Detailed calculation of shares issuable from the assumed exercise of stock options: Calculation of proceeds upon exercise of options Number of stock options considered to be common stock equivalents 372,498 Weighted average exercise price 6.00 -------------- Proceeds upon conversion $ 2,235,000 ============== Calculation of shares that could be repurchased upon exercise of stock options: Proceeds upon exercised of options $ 2,235,000 Assumed fair market value 11.00 -------------- Shares that could be repurchased 203,182 ============== Common stock equivalents for stock options using the treasury stock method 169,318 ============== Detailed calculation of shares issuable for the assumed conversion of convertible preferred stock: Convertible preferred stock considered to be common stock equivalents 22,222 -------------- Conversion ratio one for one -------------- Common stock equivalents for convertible preferred stock 22,222 ============== Detailed calculation of shares issuable from the assumed conversion of convertible debt: Convertible debt considered to be common stock equivalents $ 700,000 Conversion ratio six for one Common stock equivalents for convertible debt 116,667 -------------- 116,667 ============== (1) See note 10 to consolidated financial statements.