HELMERICH & PAYNE INC

Ticker: HP CUSIP: 423452101 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q1 2020

Shares 24,792 Value ($000) $388 Avg Close $35.22 Range $12.40 - $47.33

Q4 2019

Shares 26,192 Value ($000) $1,190 Avg Close $40.11 Range $35.74 - $46.17

Q3 2019

Shares 26,292 Value ($000) $1,054 Avg Close $44.11 Range $36.06 - $53.06

Q2 2019

Shares 26,492 Value ($000) $1,341 Avg Close $55.04 Range $48.10 - $64.80

Q1 2019

Shares 31,492 Value ($000) $1,750 Avg Close $54.48 Range $46.05 - $58.49

Q4 2018

Shares 31,192 Value ($000) $1,495 Avg Close $61.40 Range $44.56 - $73.74

Q3 2018

Shares 32,492 Value ($000) $2,234 Avg Close $63.84 Range $57.60 - $70.78

Q2 2018

Shares 32,192 Value ($000) $2,053 Avg Close $68.04 Range $61.35 - $74.36

Q1 2018

Shares 32,092 Value ($000) $2,136 Avg Close $67.45 Range $61.30 - $75.02

Q4 2017

Shares 31,792 Value ($000) $2,055 Avg Close $56.06 Range $49.69 - $65.77

Q3 2017

Shares 32,992 Value ($000) $1,719 Avg Close $49.47 Range $42.16 - $58.64

Q2 2017

Shares 35,692 Value ($000) $1,940 Avg Close $58.64 Range $49.46 - $69.97

Q1 2017

Shares 35,692 Value ($000) $2,376 Avg Close $71.19 Range $63.66 - $81.30

Q4 2016

Shares 35,392 Value ($000) $2,739 Avg Close $71.03 Range $60.39 - $85.78

Q3 2016

Shares 37,680 Value ($000) $2,536 Avg Close $62.76 Range $56.19 - $70.28

Q2 2016

Shares 37,580 Value ($000) $2,523 Avg Close $61.79 Range $55.75 - $69.20

Q1 2016

Shares 37,180 Value ($000) $2,183 Avg Close $52.86 Range $40.02 - $64.06

Q4 2015

Shares 36,880 Value ($000) $1,975 Avg Close $55.31 Range $46.32 - $61.70

Q3 2015

Shares 38,880 Value ($000) $1,837 Avg Close $56.61 Range $46.16 - $70.34

Q2 2015

Shares 41,780 Value ($000) $2,942 Avg Close $73.90 Range $67.60 - $79.90

Q1 2015

Shares 41,480 Value ($000) $2,824 Avg Close $65.43 Range $54.00 - $71.55

Q4 2014

Shares 44,580 Value ($000) $3,006 Avg Close $77.91 Range $59.24 - $98.47

Q3 2014

Shares 44,380 Value ($000) $4,343 Avg Close $106.26 Range $96.79 - $118.95

Q2 2014

Shares 44,280 Value ($000) $5,141 Avg Close $109.54 Range $103.54 - $118.02

Q1 2014

Shares 43,880 Value ($000) $4,720 Avg Close $92.98 Range $81.34 - $108.43

Q4 2013

Shares 43,580 Value ($000) $3,664 Avg Close $77.83 Range $68.87 - $84.87

Q3 2013

Shares 43,280 Value ($000) $2,984 Avg Close $66.00 Range $62.35 - $71.36

Q2 2013

Shares 43,180 Value ($000) $2,697 Avg Close $61.57 Range $55.78 - $66.02

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	24,792	$388	$35.22	$12.40 - $47.33
Q4 2019	26,192	$1,190	$40.11	$35.74 - $46.17
Q3 2019	26,292	$1,054	$44.11	$36.06 - $53.06
Q2 2019	26,492	$1,341	$55.04	$48.10 - $64.80
Q1 2019	31,492	$1,750	$54.48	$46.05 - $58.49
Q4 2018	31,192	$1,495	$61.40	$44.56 - $73.74
Q3 2018	32,492	$2,234	$63.84	$57.60 - $70.78
Q2 2018	32,192	$2,053	$68.04	$61.35 - $74.36
Q1 2018	32,092	$2,136	$67.45	$61.30 - $75.02
Q4 2017	31,792	$2,055	$56.06	$49.69 - $65.77
Q3 2017	32,992	$1,719	$49.47	$42.16 - $58.64
Q2 2017	35,692	$1,940	$58.64	$49.46 - $69.97
Q1 2017	35,692	$2,376	$71.19	$63.66 - $81.30
Q4 2016	35,392	$2,739	$71.03	$60.39 - $85.78
Q3 2016	37,680	$2,536	$62.76	$56.19 - $70.28
Q2 2016	37,580	$2,523	$61.79	$55.75 - $69.20
Q1 2016	37,180	$2,183	$52.86	$40.02 - $64.06
Q4 2015	36,880	$1,975	$55.31	$46.32 - $61.70
Q3 2015	38,880	$1,837	$56.61	$46.16 - $70.34
Q2 2015	41,780	$2,942	$73.90	$67.60 - $79.90
Q1 2015	41,480	$2,824	$65.43	$54.00 - $71.55
Q4 2014	44,580	$3,006	$77.91	$59.24 - $98.47
Q3 2014	44,380	$4,343	$106.26	$96.79 - $118.95
Q2 2014	44,280	$5,141	$109.54	$103.54 - $118.02
Q1 2014	43,880	$4,720	$92.98	$81.34 - $108.43
Q4 2013	43,580	$3,664	$77.83	$68.87 - $84.87
Q3 2013	43,280	$2,984	$66.00	$62.35 - $71.36
Q2 2013	43,180	$2,697	$61.57	$55.78 - $66.02