EXHIBIT 11 CAPSTEAD MORTGAGE CORPORATION AND SUBSIDIARIES COMPUTATION OF PER SHARE EARNINGS 1995 1994 1993 ------------- ------------- ------------- PRIMARY:* Average number of common shares outstanding 23,087,000 22,877,000 22,580,000 Incremental shares calculated using the Treasury Stock method 32,000 40,000 139,000 ------------ ------------ ------------ 23,119,000 22,917,000 22,719,000 ============ ============ ============ Net income $ 77,359,000 $ 85,579,000 $ 94,256,000 Less cash dividends paid on convertible preferred stock: Series A ($1.60 paid per share) (939,000) (1,042,000) (1,274,000) Series B ($1.26 paid per share) (38,395,000) (37,834,000) (37,318,000) ------------ ------------ ------------ Net income available to common stockholders $ 38,025,000 $ 46,703,000 $ 55,664,000 ============ ============ ============ Primary net income per share $1.64 $2.04 $2.45 FULLY DILUTED:* Average number of common shares outstanding 23,087,000 22,877,000 22,580,000 Assumed conversion of convertible preferred stock: Series A 803,000 896,000 1,111,000 Series B ** ** ** Incremental shares calculated using the Treasury Stock method 263,000 40,000 204,000 ------------ ------------ ------------ 24,153,000 23,813,000 23,895,000 ============ ============ ============ Net income $ 77,359,000 $ 85,579,000 $ 94,256,000 Less cash dividends paid on Series B Preferred Stock (38,395,000) (37,834,000) (37,318,000) ------------ ------------ ------------ Net income $ 38,964,000 $ 47,745,000 $ 56,938,000 ============ ============ ============ Fully diluted net income per share $1.61 $2.01 $2.38 * Adjusted for the 3-for-2 common stock split effective October 30, 1995. ** The Series B Preferred Stock is not considered convertible for purposes of calculating fully diluted net income per share as it is currently antidilutive.