E William Greehey

Insider Trading: Purchases

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
NS	$61.50	1,100	$67,648.46	2,759,266	2015-02-26	Filing
NS	$61.48	12,340	$758,684.18	2,758,166	2015-02-24	Filing
NS	$61.05	62,760	$3,831,253.24	2,745,826	2015-02-23	Filing
NS	$61.29	11,700	$717,143.31	2,683,066	2015-02-20	Filing
NS	$53.35	5,200	$277,420.52	2,669,613	2014-12-16	Filing
NS	$52.57	6,000	$315,424.20	2,664,413	2014-12-16	Filing
NS	$53.43	19,300	$1,031,253.04	2,658,413	2014-12-15	Filing
NS	$52.93	31,700	$1,677,722.50	2,639,113	2014-12-15	Filing
NS	$53.45	7,000	$374,147.20	2,607,413	2014-12-12	Filing
NS	$53.49	5,100	$272,822.97	2,600,413	2014-12-11	Filing
NS	$52.55	4,300	$225,983.92	2,595,313	2014-12-11	Filing
NS	$52.66	21,400	$1,126,836.26	2,591,013	2014-12-10	Filing
NS	$62.52	42,900	$2,682,240.99	2,569,613	2014-11-03	Filing
NS	$61.71	57,100	$3,523,486.83	2,526,713	2014-11-03	Filing
NS	$57.96	38,773	$2,247,127.99	2,469,613	2014-05-30	Filing
NS	$57.48	46,227	$2,656,980.03	2,430,840	2014-05-29	Filing
NSH	$32.12	34,383	$1,104,320.07	8,218,198	2014-03-24	Filing
NSH	$32.49	25,154	$817,346.53	8,183,815	2014-03-21	Filing
NSH	$32.50	5,661	$183,982.50	8,158,661	2014-03-20	Filing
NSH	$32.49	3,226	$104,816.93	8,153,000	2014-03-19	Filing