NORFOLK SOUTHERN CORP

Ticker: NSC CUSIP: 655844108 Class: COM

EVENTIDE ASSET MANAGEMENT, LLC's Holding History (CIK: 0001442891)

Note: Option positions (PUT/CALL) are excluded.

Q4 2016

Shares 2,700 Value ($000) $292 Avg Close $83.99 Range $74.46 - $92.84

Q3 2016

Shares 3,000 Value ($000) $291 Avg Close $75.16 Range $68.43 - $80.53

Q2 2016

Shares 3,000 Value ($000) $255 Avg Close $69.72 Range $63.83 - $76.86

Q1 2016

Shares 2,300 Value ($000) $191 Avg Close $61.54 Range $52.69 - $70.78

Q4 2015

Shares 1,500 Value ($000) $127 Avg Close $69.12 Range $61.01 - $79.94

Q3 2015

Shares 1,100 Value ($000) $84 Avg Close $65.12 Range $57.94 - $70.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	2,700	$292	$83.99	$74.46 - $92.84
Q3 2016	3,000	$291	$75.16	$68.43 - $80.53
Q2 2016	3,000	$255	$69.72	$63.83 - $76.86
Q1 2016	2,300	$191	$61.54	$52.69 - $70.78
Q4 2015	1,500	$127	$69.12	$61.01 - $79.94
Q3 2015	1,100	$84	$65.12	$57.94 - $70.74