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*
Nov 20, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Open market or private sale of non-derivative or derivative security	5,700	$72.57	--
Nov 20, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Conversion of derivative security	28,100	--	497,936
Nov 13, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	1,231
Nov 13, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	1,695,799
Nov 13, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	518,845
Nov 13, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	1,330,000
Nov 09, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Bona fide gift	15,528	$70.50	526,036
Mar 16, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	558,564
Mar 16, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	Director, Chairman and CEO	Form 4	Other acquisition or disposition	--	--	1,695,799
Mar 16, 2012	NAHMAD ALBERT H Director, Chairman and CEO Trans History: 671	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.