F David Taplin

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
NC	$99.11	200	$19,822.00	32,418	2012-03-06	Filing
NC	$98.90	62	$6,131.80	32,618	2012-03-06	Filing
NC	$98.91	38	$3,758.58	32,680	2012-03-06	Filing
NC	$99.01	100	$9,901.00	32,718	2012-03-06	Filing
NC	$99.02	100	$9,902.00	32,818	2012-03-06	Filing
NC	$99.03	200	$19,806.00	32,918	2012-03-06	Filing
NC	$98.97	100	$9,897.00	33,118	2012-03-06	Filing
NC	$98.50	800	$78,800.00	33,218	2012-03-06	Filing
NC	$98.27	5	$491.33	34,018	2012-03-06	Filing
NC	$98.11	49	$4,807.39	34,023	2012-03-06	Filing
NC	$98.15	51	$5,005.65	34,072	2012-03-06	Filing
NC	$98.08	100	$9,808.00	34,123	2012-03-06	Filing
NC	$98.02	100	$9,802.00	34,223	2012-03-06	Filing
NC	$98.03	100	$9,803.00	34,323	2012-03-06	Filing
NC	$98.09	100	$9,808.50	34,423	2012-03-06	Filing
NC	$98.06	100	$9,805.50	34,523	2012-03-06	Filing
NC	$98.05	1,045	$102,462.25	34,623	2012-03-06	Filing
NC	$97.29	100	$9,729.00	35,668	2012-03-06	Filing
NC	$97.30	100	$9,730.00	35,768	2012-03-06	Filing
NC	$97.38	100	$9,738.00	35,868	2012-03-06	Filing