Stock Information

Our Common stock is listed on the NYSE under the ticker symbol “WSO” and our Class B common stock is listed on the NYSE under the ticker symbol “WSOB”

Insider Transactions

Transaction Date	Filer	Title	Filing	Transaction Type	Shares Traded	Price	Total Held*
Mar 16, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 683	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	501,845
Mar 16, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 683	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	1,330,000
Mar 14, 2012	Johnston Paul W Vice President Trans History: 150	Vice President	Form 4	Other acquisition or disposition (describe transaction)	55	$65.66	580
Mar 14, 2012	Johnston Paul W Vice President Trans History: 150	Vice President	Form 4	Other acquisition or disposition (describe transaction)	55	$65.66	580
Mar 14, 2012	MENENDEZ ANA M CFO / Treasurer Trans History: 597	CFO / Treasurer	Form 4	Other acquisition or disposition (describe transaction)	55	$65.66	1,170
Mar 14, 2012	Nahmad Aaron J Director, Vice President Trans History: 315	Director, Vice President	Form 4	Other acquisition or disposition (describe transaction)	31	$65.66	144
Mar 14, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 683	Director, Chairman and CEO	Form 4	Other acquisition or disposition (describe transaction)	55	$65.66	1,231
Mar 06, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 683	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	1,176
Mar 06, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 683	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	558,564
Mar 06, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 683	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	501,845

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.