NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

Guinness Atkinson Asset Management Inc's Holding History (CIK: 0001409765)

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

Q4 2013

Shares 770 Value ($000) $88 Avg Close $87.28 Range $75.26 - $95.04

Q3 2013

Shares 770 Value ($000) $73 Avg Close $74.87 Range $66.06 - $80.62

Q2 2013

Shares 770 Value ($000) $64 Avg Close $62.64 Range $55.45 - $68.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	770	$88	$87.28	$75.26 - $95.04
Q3 2013	770	$73	$74.87	$66.06 - $80.62
Q2 2013	770	$64	$62.64	$55.45 - $68.16