EXHIBIT 11 WATSCO, INC. COMPUTATION OF EARNINGS PER SHARE Quarters and Nine Months Ended September 30, 1996 and 1995 (In thousands of dollars, except per share amounts) QUARTERS ENDED NINE MONTHS ENDED SEPTEMBER 30, SEPTEMBER 30, ------------------ ----------------- 1996 1995(1) 1996(1) 1995(1) ------ ------- ------- ------- Net income $5,002 $2,831 $10,564 $6,033 Less subsidiary preferred stock dividend (33) (33) (97) (97) ------ ------ ------- ------- Income applicable to common stock for primary earnings per share 4,969 2,798 10,467 5,936 Add interest expense, net of income tax effects, attributable to convertible debentures 22 28 70 84 ------ ------ ------- ------- Income applicable to common stock for fully diluted earnings per share $4,991 $2,826 $10,537 $6,020 ====== ====== ======= ======= Weighted average common shares outstanding 13,631 9,309 12,507 9,257 Additional shares assuming exercise of stock options and warrants 907 649 856 505 ------ ------ ------- ------- Shares used for primary earnings per share 14,538 9,958 13,363 9,762 Additional shares assuming: Exercise of stock options and warrants 37 119 84 264 Conversion of 10% Convertible Subordinated Debentures due 1996 265 364 312 369 ------ ------ ------- ------- Shares used for fully diluted earnings per share 14,840 10,441 13,759 10,395 ====== ====== ======= ======= Earnings per share: Primary $.34 $.28 $.78 $.61 ====== ====== ======= ======= Fully diluted $.34 $.27 $.77 $.58 ====== ====== ======= ======= (1) Weighted average common shares outstanding have been restated to include the effect of a 3-for-2 stock split paid on June 14, 1996.