NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q1 2020

Shares 2,230 Value ($000) $675 Avg Close $315.50 Range $239.34 - $348.69

Q4 2019

Shares 2,230 Value ($000) $767 Avg Close $317.67 Range $303.11 - $340.24

Q3 2019

Shares 4,670 Value ($000) $1,750 Avg Close $318.69 Range $285.79 - $346.38

Q2 2019

Shares 4,640 Value ($000) $1,499 Avg Close $267.26 Range $236.79 - $292.13

Q1 2019

Shares 2,350 Value ($000) $634 Avg Close $243.65 Range $211.35 - $261.00

Q4 2018

Shares 4,680 Value ($000) $1,146 Avg Close $245.46 Range $199.36 - $285.49

Q2 2018

Shares 4,620 Value ($000) $1,422 Avg Close $291.51 Range $266.24 - $317.78

Q1 2018

Shares 4,560 Value ($000) $1,592 Avg Close $294.31 Range $266.13 - $315.68

Q4 2017

Shares 4,500 Value ($000) $1,381 Avg Close $263.02 Range $251.27 - $273.10

Q3 2017

Shares 9,250 Value ($000) $2,662 Avg Close $234.97 Range $223.70 - $251.79

Q2 2017

Shares 10,490 Value ($000) $2,693 Avg Close $217.50 Range $204.18 - $228.88

Q1 2017

Shares 10,780 Value ($000) $2,564 Avg Close $205.77 Range $193.67 - $215.78

Q4 2016

Shares 10,780 Value ($000) $2,507 Avg Close $200.65 Range $182.75 - $218.77

Q3 2016

Shares 5,710 Value ($000) $1,222 Avg Close $186.23 Range $178.16 - $192.37

Q2 2016

Shares 5,690 Value ($000) $1,265 Avg Close $180.17 Range $167.24 - $191.50

Q1 2016

Shares 5,560 Value ($000) $1,100 Avg Close $161.05 Range $148.95 - $170.52

Q4 2015

Shares 5,650 Value ($000) $1,067 Avg Close $155.62 Range $137.87 - $164.41

Q3 2015

Shares 5,640 Value ($000) $936 Avg Close $141.60 Range $128.46 - $149.14

Q2 2015

Shares 5,910 Value ($000) $938 Avg Close $134.61 Range $127.92 - $140.47

Q1 2015

Shares 6,000 Value ($000) $966 Avg Close $133.81 Range $118.31 - $143.99

Q4 2014

Shares 7,400 Value ($000) $1,091 Avg Close $114.24 Range $98.32 - $128.02

Q3 2014

Shares 7,400 Value ($000) $975 Avg Close $104.60 Range $97.77 - $111.63

Q2 2014

Shares 7,600 Value ($000) $909 Avg Close $99.58 Range $95.46 - $103.59

Q1 2014

Shares 7,600 Value ($000) $938 Avg Close $97.12 Range $89.29 - $103.07

Q4 2013

Shares 7,900 Value ($000) $905 Avg Close $87.28 Range $75.26 - $95.04

Q3 2013

Shares 7,900 Value ($000) $753 Avg Close $74.87 Range $66.06 - $80.62

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	2,230	$675	$315.50	$239.34 - $348.69
Q4 2019	2,230	$767	$317.67	$303.11 - $340.24
Q3 2019	4,670	$1,750	$318.69	$285.79 - $346.38
Q2 2019	4,640	$1,499	$267.26	$236.79 - $292.13
Q1 2019	2,350	$634	$243.65	$211.35 - $261.00
Q4 2018	4,680	$1,146	$245.46	$199.36 - $285.49
Q2 2018	4,620	$1,422	$291.51	$266.24 - $317.78
Q1 2018	4,560	$1,592	$294.31	$266.13 - $315.68
Q4 2017	4,500	$1,381	$263.02	$251.27 - $273.10
Q3 2017	9,250	$2,662	$234.97	$223.70 - $251.79
Q2 2017	10,490	$2,693	$217.50	$204.18 - $228.88
Q1 2017	10,780	$2,564	$205.77	$193.67 - $215.78
Q4 2016	10,780	$2,507	$200.65	$182.75 - $218.77
Q3 2016	5,710	$1,222	$186.23	$178.16 - $192.37
Q2 2016	5,690	$1,265	$180.17	$167.24 - $191.50
Q1 2016	5,560	$1,100	$161.05	$148.95 - $170.52
Q4 2015	5,650	$1,067	$155.62	$137.87 - $164.41
Q3 2015	5,640	$936	$141.60	$128.46 - $149.14
Q2 2015	5,910	$938	$134.61	$127.92 - $140.47
Q1 2015	6,000	$966	$133.81	$118.31 - $143.99
Q4 2014	7,400	$1,091	$114.24	$98.32 - $128.02
Q3 2014	7,400	$975	$104.60	$97.77 - $111.63
Q2 2014	7,600	$909	$99.58	$95.46 - $103.59
Q1 2014	7,600	$938	$97.12	$89.29 - $103.07
Q4 2013	7,900	$905	$87.28	$75.26 - $95.04
Q3 2013	7,900	$753	$74.87	$66.06 - $80.62