EXHIBIT 11 WATSCO, INC. COMPUTATION OF EARNINGS PER SHARE QUARTER AND SIX MONTHS ENDED JUNE 30, 1997 AND 1996 (IN THOUSANDS, EXCEPT PER SHARE DATA) QUARTER ENDED SIX MONTHS ENDED JUNE 30, JUNE 30, 1997 1996 1997 1996 ---- ---- ---- ---- Net income $6,363 $4,256 $8,645 $5,562 Less subsidiary preferred stock dividend (32) (32) (64) (64) -------- -------- -------- -------- Income applicable to common stock for primary earnings per share 6,331 4,224 8,581 5,498 Add interest expense, net of income tax effects, attributable to convertible debentures - 24 - 48 -------- -------- -------- -------- Income applicable to common stock for fully diluted earnings per share $6,331 $4,248 $8,581 $5,546 ======== ======== ======== ======== Weighted average common shares outstanding 17,217 13,509 16,256 11,939 Additional shares assuming exercise of stock options and warrants 1,023 911 1,066 830 -------- -------- -------- -------- Shares used for primary earnings per share 18,240 14,420 17,322 12,769 Additional shares assuming: Exercise of stock options and warrants - 36 - 117 Conversion of 10% Convertible Subordinated Debentures due 1996 - 335 - 335 -------- -------- -------- -------- Shares used for fully diluted earnings per share 18,240 14,791 17,322 13,221 ======== ======== ======== ======== Earnings per share: Primary $.35 $.29 $.50 $.43 ==== ==== ==== ==== Fully diluted $.35 $.29 $.50 $.42 ==== ==== ==== ====