F David Taplin

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
NC	$99.85	200	$19,970.00	21,600	2012-03-09	Filing
NC	$99.63	200	$19,926.00	21,800	2012-03-09	Filing
NC	$98.98	20	$1,979.50	22,000	2012-03-08	Filing
NC	$98.68	100	$9,868.00	22,020	2012-03-08	Filing
NC	$98.67	200	$19,734.00	22,120	2012-03-08	Filing
NC	$98.60	200	$19,720.00	22,320	2012-03-08	Filing
NC	$98.58	200	$19,716.00	22,520	2012-03-08	Filing
NC	$98.50	100	$9,850.00	22,720	2012-03-08	Filing
NC	$98.30	1	$98.30	22,820	2012-03-08	Filing
NC	$98.10	20	$1,961.90	22,821	2012-03-08	Filing
NC	$98.07	100	$9,806.50	22,841	2012-03-08	Filing
NC	$97.98	71	$6,956.58	22,941	2012-03-08	Filing
NC	$97.95	29	$2,840.55	23,012	2012-03-08	Filing
NC	$97.91	300	$29,373.00	23,041	2012-03-08	Filing
NC	$97.90	6	$587.40	23,341	2012-03-08	Filing
NC	$97.88	100	$9,787.50	23,347	2012-03-08	Filing
NC	$97.87	82	$8,025.34	23,447	2012-03-08	Filing
NC	$97.86	291	$28,475.81	23,529	2012-03-08	Filing
NC	$97.85	40	$3,913.80	23,820	2012-03-08	Filing
NC	$97.83	363	$35,512.29	23,860	2012-03-08	Filing