F David Taplin

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
NC	$96.72	10	$967.15	26,990	2012-03-08	Filing
NC	$100.03	200	$20,006.00	27,000	2012-03-07	Filing
NC	$99.85	200	$19,970.00	27,200	2012-03-07	Filing
NC	$99.70	100	$9,970.00	27,400	2012-03-07	Filing
NC	$99.65	100	$9,965.00	27,500	2012-03-07	Filing
NC	$99.64	100	$9,964.00	27,600	2012-03-07	Filing
NC	$99.40	100	$9,939.50	27,700	2012-03-07	Filing
NC	$99.36	10	$993.60	27,800	2012-03-07	Filing
NC	$99.22	100	$9,922.00	27,810	2012-03-07	Filing
NC	$99.20	100	$9,920.00	27,910	2012-03-07	Filing
NC	$99.19	200	$19,838.00	28,010	2012-03-07	Filing
NC	$99.18	200	$19,836.00	28,210	2012-03-07	Filing
NC	$99.15	100	$9,914.50	28,410	2012-03-07	Filing
NC	$99.14	100	$9,914.00	28,510	2012-03-07	Filing
NC	$99.13	100	$9,912.50	28,610	2012-03-07	Filing
NC	$99.12	699	$69,281.39	28,710	2012-03-07	Filing
NC	$99.11	100	$9,910.50	29,409	2012-03-07	Filing
NC	$99.10	100	$9,910.00	29,509	2012-03-07	Filing
NC	$99.09	200	$19,817.00	29,609	2012-03-07	Filing
NC	$99.07	100	$9,907.00	29,809	2012-03-07	Filing