WATSCO INC — Director's Dealing 2012

May 4, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WATSCO INC (WSO; WSOB)
CIK: 0000105016
Period of Report: 2012-05-02

Reporting Person: Dickins Denise (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-02	Common Stock	M	20000	$58.87	Acquired	0	Direct
2012-05-02	Common Stock	S	100	$73.71	Disposed	0	Direct
2012-05-02	Common Stock	S	100	$73.72	Disposed	0	Direct
2012-05-02	Common Stock	S	100	$73.725	Disposed	0	Direct
2012-05-02	Common Stock	S	400	$73.73	Disposed	0	Direct
2012-05-02	Common Stock	S	300	$73.74	Disposed	0	Direct
2012-05-02	Common Stock	S	1100	$73.75	Disposed	0	Direct
2012-05-02	Common Stock	S	2100	$73.76	Disposed	0	Direct
2012-05-02	Common Stock	S	600	$73.77	Disposed	0	Direct
2012-05-02	Common Stock	S	100	$73.772	Disposed	0	Direct
2012-05-02	Common Stock	S	200	$73.78	Disposed	0	Direct
2012-05-02	Common Stock	S	1600	$73.79	Disposed	0	Direct
2012-05-02	Common Stock	S	2200	$73.8	Disposed	0	Direct
2012-05-02	Common Stock	S	100	$73.802	Disposed	0	Direct
2012-05-02	Common Stock	S	300	$73.81	Disposed	0	Direct
2012-05-02	Common Stock	S	1000	$73.82	Disposed	0	Direct
2012-05-02	Common Stock	S	600	$73.83	Disposed	0	Direct
2012-05-02	Common Stock	S	900	$73.84	Disposed	0	Direct
2012-05-02	Common Stock	S	900	$73.85	Disposed	0	Direct
2012-05-02	Common Stock	S	100	$73.8597	Disposed	0	Direct
2012-05-02	Common Stock	S	6200	$73.86	Disposed	0	Direct
2012-05-02	Common Stock	S	600	$73.87	Disposed	0	Direct
2012-05-02	Common Stock	S	100	$73.8797	Disposed	0	Direct
2012-05-02	Common Stock	S	300	$73.88	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-05-02	Stock Option (right to buy)	$58.87	M	6667	Disposed	2012-05-25	Common Stock (0)	Direct
2012-05-02	Stock Option (right to buy)	$58.87	M	6667	Disposed	2012-05-25	Common Stock (0)	Direct
2012-05-02	Stock Option (right to buy)	$58.87	M	6666	Disposed	2012-05-25	Common Stock (0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	296	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (right to buy)	$36.33	2012-12-14	Common Stock (1667)	1667	Direct
Stock Option (right to buy)	$36.33	2012-12-14	Common Stock (1667)	1667	Direct
Stock Option (right to buy)	$36.33	2012-12-14	Common Stock (1666)	1666	Direct