1 EXHIBIT 11 INTERNATIONAL AIRCRAFT INVESTORS COMPUTATION OF EARNINGS PER SHARE Years Ended December 31, ---------------------------------------- 1993 1994 1995 ------------- ------------ ------------- Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 2,047,904 $ 1,069,354 $ 870,711 Addback interest expense from use of modified treasury stock method(1) . 302,859 -- -- ------------- ------------ ------------ Net income as adjusted . . . . . . . . . . . . . . . . . . . . . . . . . $ 2,350,763 $ 1,069,354 $ 870,711 ============= ============ ============ Weighted average common shares outstanding . . . . . . . . . . . . . . . 215,000 215,000 215,000 Weighted average common stock equivalents: Stock options determined using the treasury stock method . . . . . . -- 2,129,560 2,129,560 Stock options determined using the modified treasury stock method(1) 4,001,133 -- -- 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 . . . . 9,857,133 7,985,560 7,985,560 ============= ============ ============ Net income per share . . . . . . . . . . . . . . . . . . . . . . . . . . $ 0.24 $ 0.13 $ 0.11 ============= ============ ============ 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 . 4,044,133 4,483,285 4,483,285 Weighted average exercise price . . . . . . . . . . . . . . . . . . 1.06 1.05 1.05 ------------- ------------ ------------ $ 4,286,781 $ 4,707,449 $ 4,707,449 ============= ============ ============ Proceeds upon conversion . . . . . . . . . . . . . . . . . . . . Calculation of shares that could be repurchased upon exercise of stock options: Proceeds upon exercise of options . . . . . . . . . . . . . . . . . $ 4,286,781 $4,707,449 $4,707,449 Assumed fair market value . . . . . . . . . . . . . . . . . . . . . 2.00 2.00 2.00 ------------- ------------ ------------ Shares that could be repurchased . . . . . . . . . . . . . . . . 2,143,390 2,353,725 2,353,725 ============= ============ ============ Calculation of 20% of ending shares outstanding that could be repurchased under the modified treasury stock method(1): Common shares outstanding at the end of the year . . . . . . . . . 215,000 20% limitation . . . . . . . . . . . . . . . . . . . . . . . . . . 20% ------------- Maximum share repurchase . . . . . . . . . . . . . . . . . . . 43,000 ============= Common stock equivalents for stock options using the treasury stock ------------ ----------- method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,129,560 2,129,560 ============ =========== ------------- Common stock equivalents for stock opinions using the modified 4,001,133 treasury stock method(1) . . . . . . . . . . . . . . . . . . . . . . ============= 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 ============= ============ ============ Nine Months Ended September 30, -------------------------- 1995 1996 ------------- ------------ Net income . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 264,318 $ 455,008 Addback interest expense from use of modified treasury stock method(1) . -- -- ------------- ------------ Net income as adjusted . . . . . . . . . . . . . . . . . . . . . . . . . $ 264,318 $ 455,008 ============= ============ Weighted average common shares outstanding . . . . . . . . . . . . . . . 215,000 315,000 Weighted average common stock equivalents: Stock options determined using the treasury stock method . . . . . . 2,129,560 2,082,060 Stock options determined using the modified treasury stock method(1) -- -- Convertible preferred stock . . . . . . . . . . . . . . . . . . . . . 4,941,000 4,941,000 Convertible debt . . . . . . . . . . . . . . . . . . . . . . . . . . 700,000 700,000 ------------- ------------ Weighted average common and common equivalent shares outstanding . . . . 7,985,560 8,038,060 ============= ============ Net income per share . . . . . . . . . . . . . . . . . . . . . . . . . . $ 0.03 $ 0.06 ============= ============ 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 4,383,285 Weighted average exercise price . . . . . . . . . . . . . . . . . . 1.05 1.05 ------------- ------------ $ 4,707,449 $ 4,602,449 ============= ============ Proceeds upon conversion . . . . . . . . . . . . . . . . . . . . Calculation of shares that could be repurchased upon exercise of stock options: Proceeds upon exercise of options . . . . . . . . . . . . . . . . . $4,707,449 $4,602,449 Assumed fair market value . . . . . . . . . . . . . . . . . . . . . 2.00 2.00 ------------- ------------ Shares that could be repurchased . . . . . . . . . . . . . . . . 2,353,725 2,301,225 ============= ============ Calculation of 20% of ending shares outstanding that could be repurchased under the modified treasury stock method(1): Common shares outstanding at the end of the year . . . . . . . . . 20% limitation . . . . . . . . . . . . . . . . . . . . . . . . . . Maximum share repurchase . . . . . . . . . . . . . . . . . . . Common stock equivalents for stock options using the treasury stock ------------- ------------ method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,129,560 2,082,060 ============= ============ Common stock equivalents for stock opinions using the modified treasury stock method(1) . . . . . . . . . . . . . . . . . . . . . . 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 Conversion ratio . . . . . . . . . . . . . . . . . . . . . . . . . . one for one one for one ------------- ------------ Common stock equivalents for convertible preferred stock . . . . . . 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 Conversion ratio . . . . . . . . . . . . . . . . . . . . . . . . . . one for one one for one ------------- ------------ Common stock equivalents for convertible debt . . . . . . . . . . . . 700,000 700,000 ============= ============ (1) See note 1 to Consolidated Financial Statements. 1