OGE ENERGY CORP

Ticker: OGE CUSIP: 670837103 Class: COM

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

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

Q4 2025

Shares 47,614 Value ($000) $2,033 Avg Close $44.60 Range $42.37 - $47.33

Q3 2025

Shares 47,914 Value ($000) $2,217 Avg Close $44.77 Range $43.23 - $46.36

Q2 2025

Shares 48,414 Value ($000) $2,149 Avg Close $44.37 Range $40.80 - $46.91

Q1 2025

Shares 48,114 Value ($000) $2,211 Avg Close $43.52 Range $39.41 - $46.54

Q4 2024

Shares 47,614 Value ($000) $1,964 Avg Close $41.63 Range $39.10 - $44.41

Q3 2024

Shares 47,714 Value ($000) $1,957 Avg Close $38.81 Range $34.94 - $41.48

Q2 2024

Shares 48,314 Value ($000) $1,725 Avg Close $35.11 Range $32.37 - $37.30

Q1 2024

Shares 49,214 Value ($000) $1,688 Avg Close $33.57 Range $32.06 - $35.99

Q4 2023

Shares 48,014 Value ($000) $1,677 Avg Close $34.50 Range $31.25 - $36.93

Q3 2023

Shares 47,914 Value ($000) $1,597 Avg Close $35.04 Range $32.78 - $37.23

Q2 2023

Shares 49,314 Value ($000) $1,771 Avg Close $36.82 Range $34.58 - $39.09

Q1 2023

Shares 50,614 Value ($000) $1,906 Avg Close $37.61 Range $34.23 - $40.36

Q4 2022

Shares 51,014 Value ($000) $2,018 Avg Close $37.92 Range $33.28 - $41.00

Q3 2022

Shares 50,514 Value ($000) $1,842 Avg Close $40.35 Range $36.37 - $42.91

Q2 2022

Shares 50,914 Value ($000) $1,963 Avg Close $39.74 Range $34.81 - $42.74

Q1 2022

Shares 50,814 Value ($000) $2,072 Avg Close $37.92 Range $35.24 - $40.87

Q4 2021

Shares 50,771 Value ($000) $1,949 Avg Close $35.04 Range $32.49 - $38.57

Q3 2021

Shares 50,171 Value ($000) $1,654 Avg Close $34.53 Range $32.86 - $36.74

Q2 2021

Shares 50,471 Value ($000) $1,698 Avg Close $33.72 Range $32.10 - $35.46

Q1 2021

Shares 106,671 Value ($000) $3,452 Avg Close $31.52 Range $29.18 - $33.18

Q4 2020

Shares 105,471 Value ($000) $3,360 Avg Close $32.31 Range $29.76 - $35.24

Q3 2020

Shares 102,371 Value ($000) $3,070 Avg Close $31.47 Range $28.25 - $34.10

Q2 2020

Shares 72,871 Value ($000) $2,212 Avg Close $30.91 Range $26.37 - $34.91

Q1 2020

Shares 55,520 Value ($000) $1,706 Avg Close $40.44 Range $23.01 - $46.43

Q4 2019

Shares 58,920 Value ($000) $2,620 Avg Close $43.20 Range $41.79 - $45.49

Q3 2019

Shares 58,120 Value ($000) $2,637 Avg Close $43.32 Range $41.39 - $45.77

Q2 2019

Shares 59,220 Value ($000) $2,520 Avg Close $42.33 Range $40.42 - $44.41

Q1 2019

Shares 71,220 Value ($000) $3,071 Avg Close $41.42 Range $38.04 - $43.76

Q4 2018

Shares 71,220 Value ($000) $2,791 Avg Close $38.39 Range $35.55 - $41.80

Q3 2018

Shares 73,820 Value ($000) $2,681 Avg Close $36.38 Range $34.13 - $37.74

Q2 2018

Shares 73,520 Value ($000) $2,589 Avg Close $33.60 Range $31.49 - $35.54

Q1 2018

Shares 72,820 Value ($000) $2,386 Avg Close $31.58 Range $29.59 - $33.07

Q4 2017

Shares 71,820 Value ($000) $2,364 Avg Close $35.32 Range $32.60 - $37.32

Q3 2017

Shares 75,120 Value ($000) $2,707 Avg Close $35.66 Range $33.95 - $36.67

Q2 2017

Shares 82,320 Value ($000) $2,864 Avg Close $34.98 Range $33.45 - $37.25

Q1 2017

Shares 81,120 Value ($000) $2,838 Avg Close $34.83 Range $32.85 - $37.41

Q4 2016

Shares 80,420 Value ($000) $2,690 Avg Close $31.57 Range $29.57 - $34.23

Q3 2016

Shares 80,420 Value ($000) $2,543 Avg Close $31.66 Range $29.91 - $33.10

Q2 2016

Shares 80,120 Value ($000) $2,624 Avg Close $29.95 Range $27.27 - $32.75

Q1 2016

Shares 79,720 Value ($000) $2,282 Avg Close $26.35 Range $23.37 - $28.74

Q4 2015

Shares 78,920 Value ($000) $2,075 Avg Close $26.84 Range $24.15 - $29.40

Q3 2015

Shares 90,820 Value ($000) $2,485 Avg Close $28.50 Range $26.44 - $31.52

Q2 2015

Shares 90,920 Value ($000) $2,598 Avg Close $31.12 Range $28.28 - $33.21

Q1 2015

Shares 90,420 Value ($000) $2,858 Avg Close $33.53 Range $30.82 - $36.48

Q4 2014

Shares 94,820 Value ($000) $3,364 Avg Close $36.11 Range $32.85 - $37.90

Q3 2014

Shares 94,520 Value ($000) $3,508 Avg Close $36.81 Range $34.88 - $39.28

Q2 2014

Shares 93,820 Value ($000) $3,666 Avg Close $36.62 Range $34.93 - $39.10

Q1 2014

Shares 93,520 Value ($000) $3,438 Avg Close $34.96 Range $32.91 - $37.29

Q4 2013

Shares 92,920 Value ($000) $3,150 Avg Close $35.79 Range $32.85 - $40.00

Q3 2013

Shares 92,420 Value ($000) $3,335 Avg Close $36.14 Range $33.85 - $39.55

Q2 2013

Shares 45,560 Value ($000) $3,107 Avg Close $34.79 Range $32.20 - $36.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	47,614	$2,033	$44.60	$42.37 - $47.33
Q3 2025	47,914	$2,217	$44.77	$43.23 - $46.36
Q2 2025	48,414	$2,149	$44.37	$40.80 - $46.91
Q1 2025	48,114	$2,211	$43.52	$39.41 - $46.54
Q4 2024	47,614	$1,964	$41.63	$39.10 - $44.41
Q3 2024	47,714	$1,957	$38.81	$34.94 - $41.48
Q2 2024	48,314	$1,725	$35.11	$32.37 - $37.30
Q1 2024	49,214	$1,688	$33.57	$32.06 - $35.99
Q4 2023	48,014	$1,677	$34.50	$31.25 - $36.93
Q3 2023	47,914	$1,597	$35.04	$32.78 - $37.23
Q2 2023	49,314	$1,771	$36.82	$34.58 - $39.09
Q1 2023	50,614	$1,906	$37.61	$34.23 - $40.36
Q4 2022	51,014	$2,018	$37.92	$33.28 - $41.00
Q3 2022	50,514	$1,842	$40.35	$36.37 - $42.91
Q2 2022	50,914	$1,963	$39.74	$34.81 - $42.74
Q1 2022	50,814	$2,072	$37.92	$35.24 - $40.87
Q4 2021	50,771	$1,949	$35.04	$32.49 - $38.57
Q3 2021	50,171	$1,654	$34.53	$32.86 - $36.74
Q2 2021	50,471	$1,698	$33.72	$32.10 - $35.46
Q1 2021	106,671	$3,452	$31.52	$29.18 - $33.18
Q4 2020	105,471	$3,360	$32.31	$29.76 - $35.24
Q3 2020	102,371	$3,070	$31.47	$28.25 - $34.10
Q2 2020	72,871	$2,212	$30.91	$26.37 - $34.91
Q1 2020	55,520	$1,706	$40.44	$23.01 - $46.43
Q4 2019	58,920	$2,620	$43.20	$41.79 - $45.49
Q3 2019	58,120	$2,637	$43.32	$41.39 - $45.77
Q2 2019	59,220	$2,520	$42.33	$40.42 - $44.41
Q1 2019	71,220	$3,071	$41.42	$38.04 - $43.76
Q4 2018	71,220	$2,791	$38.39	$35.55 - $41.80
Q3 2018	73,820	$2,681	$36.38	$34.13 - $37.74
Q2 2018	73,520	$2,589	$33.60	$31.49 - $35.54
Q1 2018	72,820	$2,386	$31.58	$29.59 - $33.07
Q4 2017	71,820	$2,364	$35.32	$32.60 - $37.32
Q3 2017	75,120	$2,707	$35.66	$33.95 - $36.67
Q2 2017	82,320	$2,864	$34.98	$33.45 - $37.25
Q1 2017	81,120	$2,838	$34.83	$32.85 - $37.41
Q4 2016	80,420	$2,690	$31.57	$29.57 - $34.23
Q3 2016	80,420	$2,543	$31.66	$29.91 - $33.10
Q2 2016	80,120	$2,624	$29.95	$27.27 - $32.75
Q1 2016	79,720	$2,282	$26.35	$23.37 - $28.74
Q4 2015	78,920	$2,075	$26.84	$24.15 - $29.40
Q3 2015	90,820	$2,485	$28.50	$26.44 - $31.52
Q2 2015	90,920	$2,598	$31.12	$28.28 - $33.21
Q1 2015	90,420	$2,858	$33.53	$30.82 - $36.48
Q4 2014	94,820	$3,364	$36.11	$32.85 - $37.90
Q3 2014	94,520	$3,508	$36.81	$34.88 - $39.28
Q2 2014	93,820	$3,666	$36.62	$34.93 - $39.10
Q1 2014	93,520	$3,438	$34.96	$32.91 - $37.29
Q4 2013	92,920	$3,150	$35.79	$32.85 - $40.00
Q3 2013	92,420	$3,335	$36.14	$33.85 - $39.55
Q2 2013	45,560	$3,107	$34.79	$32.20 - $36.59