F David Taplin

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
NC	$99.06	100	$9,906.00	29,909	2012-03-07	Filing
NC	$99.00	140	$13,859.30	30,009	2012-03-07	Filing
NC	$98.99	111	$10,987.34	30,149	2012-03-07	Filing
NC	$98.97	100	$9,896.50	30,260	2012-03-07	Filing
NC	$98.94	100	$9,894.00	30,360	2012-03-07	Filing
NC	$98.90	300	$29,670.00	30,460	2012-03-07	Filing
NC	$98.89	100	$9,888.50	30,760	2012-03-07	Filing
NC	$98.88	310	$30,651.25	30,860	2012-03-07	Filing
NC	$98.87	100	$9,886.50	31,170	2012-03-07	Filing
NC	$98.86	100	$9,886.00	31,270	2012-03-07	Filing
NC	$98.85	230	$22,735.50	31,370	2012-03-07	Filing
NC	$98.80	100	$9,880.00	31,600	2012-03-07	Filing
NC	$98.69	100	$9,868.50	31,700	2012-03-07	Filing
NC	$98.52	200	$19,704.00	31,800	2012-03-07	Filing
NC	$98.99	25	$2,474.75	32,000	2012-03-06	Filing
NC	$98.93	82	$8,112.26	32,025	2012-03-06	Filing
NC	$98.73	100	$9,872.50	32,107	2012-03-06	Filing
NC	$98.74	29	$2,863.46	32,207	2012-03-06	Filing
NC	$98.78	100	$9,878.00	32,236	2012-03-06	Filing
NC	$98.92	82	$8,111.44	32,336	2012-03-06	Filing