F David Taplin

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
NC	$97.82	20	$1,956.40	24,223	2012-03-08	Filing
NC	$97.80	180	$17,604.00	24,243	2012-03-08	Filing
NC	$97.72	140	$13,680.80	24,423	2012-03-08	Filing
NC	$97.68	120	$11,721.00	24,563	2012-03-08	Filing
NC	$97.60	644	$62,851.18	24,683	2012-03-08	Filing
NC	$97.55	41	$3,999.35	25,327	2012-03-08	Filing
NC	$97.47	100	$9,747.00	25,368	2012-03-08	Filing
NC	$97.46	118	$11,500.28	25,468	2012-03-08	Filing
NC	$97.37	100	$9,737.00	25,586	2012-03-08	Filing
NC	$97.34	173	$16,839.82	25,686	2012-03-08	Filing
NC	$97.24	100	$9,724.00	25,859	2012-03-08	Filing
NC	$97.23	100	$9,723.00	25,959	2012-03-08	Filing
NC	$97.12	5	$485.60	26,059	2012-03-08	Filing
NC	$97.01	200	$19,402.00	26,064	2012-03-08	Filing
NC	$96.99	100	$9,698.50	26,264	2012-03-08	Filing
NC	$96.95	195	$18,905.25	26,364	2012-03-08	Filing
NC	$96.93	200	$19,386.00	26,559	2012-03-08	Filing
NC	$96.89	101	$9,785.39	26,759	2012-03-08	Filing
NC	$96.88	100	$9,687.50	26,860	2012-03-08	Filing
NC	$96.83	30	$2,904.90	26,960	2012-03-08	Filing