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 05, 2013	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	1,231
Mar 05, 2013	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	518,845
Mar 05, 2013	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	1,330,000
Mar 05, 2013	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	392,622
Mar 01, 2013	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition (describe transaction)	50,785	$78.79	1,776,342
Jan 07, 2013	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	1,231
Jan 07, 2013	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	518,845
Jan 07, 2013	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	1,330,000
Jan 07, 2013	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	392,622
Jan 07, 2013	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 5	Other acquisition or disposition	--	--	1,231

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