BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 122,582 Value ($000) $8,510 Avg Close $66.47 Range $58.20 - $73.32

Q3 2025

Shares 137,130 Value ($000) $8,446 Avg Close $57.38 Range $54.13 - $60.96

Q2 2025

Shares 139,514 Value ($000) $7,827 Avg Close $56.47 Range $52.67 - $59.65

Q1 2025

Shares 136,971 Value ($000) $8,307 Avg Close $56.47 Range $52.15 - $59.45

Q4 2024

Shares 132,754 Value ($000) $7,769 Avg Close $57.33 Range $53.67 - $62.19

Q3 2024

Shares 130,050 Value ($000) $7,949 Avg Close $54.39 Range $49.37 - $58.14

Q2 2024

Shares 136,870 Value ($000) $7,443 Avg Close $50.26 Range $46.53 - $53.93

Q1 2024

Shares 136,062 Value ($000) $7,429 Avg Close $47.73 Range $44.68 - $50.77

Q4 2023

Shares 126,158 Value ($000) $6,806 Avg Close $46.16 Range $41.54 - $51.76

Q3 2023

Shares 122,563 Value ($000) $6,200 Avg Close $50.50 Range $44.92 - $54.81

Q2 2023

Shares 142,915 Value ($000) $8,612 Avg Close $55.83 Range $52.26 - $58.57

Q1 2023

Shares 128,018 Value ($000) $8,078 Avg Close $57.47 Range $51.53 - $64.19

Q4 2022

Shares 132,152 Value ($000) $9 Avg Close $58.05 Range $50.78 - $62.96

Q3 2022

Shares 115,843 Value ($000) $7,846 Avg Close $64.21 Range $58.14 - $68.58

Q2 2022

Shares 97,608 Value ($000) $7,103 Avg Close $63.81 Range $56.66 - $68.52

Q1 2022

Shares 94,460 Value ($000) $7,275 Avg Close $58.63 Range $54.02 - $65.73

Q4 2021

Shares 72,247 Value ($000) $5,098 Avg Close $55.40 Range $51.95 - $59.51

Q3 2021

Shares 71,278 Value ($000) $4,473 Avg Close $56.46 Range $51.50 - $60.51

Q2 2021

Shares 55,141 Value ($000) $3,619 Avg Close $55.86 Range $53.24 - $58.36

Q1 2021

Shares 44,074 Value ($000) $2,943 Avg Close $50.63 Range $47.19 - $55.19

Q4 2020

Shares 20,953 Value ($000) $1,288 Avg Close $48.27 Range $42.45 - $52.98

Q3 2020

Shares 20,110 Value ($000) $1,076 Avg Close $45.64 Range $41.75 - $49.89

Q2 2020

Shares 13,275 Value ($000) $752 Avg Close $47.91 Range $41.68 - $55.82

Q1 2020

Shares 14,458 Value ($000) $926 Avg Close $59.44 Range $37.90 - $68.25

Q4 2019

Shares 10,839 Value ($000) $851 Avg Close $60.15 Range $57.52 - $62.11

Q3 2019

Shares 10,751 Value ($000) $825 Avg Close $60.34 Range $54.21 - $62.80

Q2 2019

Shares 9,574 Value ($000) $748 Avg Close $58.01 Range $54.08 - $63.38

Q1 2019

Shares 9,514 Value ($000) $705 Avg Close $52.65 Range $46.35 - $57.40

Q4 2018

Shares 9,472 Value ($000) $595 Avg Close $47.68 Range $43.15 - $52.00

Q3 2018

Shares 10,889 Value ($000) $633 Avg Close $45.23 Range $42.66 - $48.12

Q2 2018

Shares 14,466 Value ($000) $885 Avg Close $42.43 Range $39.15 - $46.25

Q1 2018

Shares 14,437 Value ($000) $784 Avg Close $39.62 Range $37.38 - $44.38

Q4 2017

Shares 7,812 Value ($000) $470 Avg Close $45.46 Range $41.87 - $51.03

Q3 2017

Shares 7,801 Value ($000) $537 Avg Close $50.60 Range $48.73 - $51.89

Q2 2017

Shares 7,802 Value ($000) $526 Avg Close $49.84 Range $47.18 - $52.32

Q1 2017

Shares 7,798 Value ($000) $518 Avg Close $45.51 Range $43.01 - $48.38

Q4 2016

Shares 7,869 Value ($000) $483 Avg Close $42.62 Range $38.96 - $45.02

Q3 2016

Shares 7,739 Value ($000) $474 Avg Close $43.19 Range $40.45 - $45.62

Q2 2016

Shares 9,929 Value ($000) $626 Avg Close $42.44 Range $39.39 - $44.88

Q1 2016

Shares 9,151 Value ($000) $550 Avg Close $37.32 Range $31.07 - $42.88

Q4 2015

Shares 14,837 Value ($000) $689 Avg Close $30.44 Range $27.84 - $33.06

Q3 2015

Shares 12,943 Value ($000) $535 Avg Close $28.18 Range $25.38 - $32.28

Q2 2015

Shares 12,950 Value ($000) $565 Avg Close $32.61 Range $29.70 - $35.86

Q1 2015

Shares 11,660 Value ($000) $588 Avg Close $34.02 Range $32.42 - $35.85

Q4 2014

Shares 9,579 Value ($000) $508 Avg Close $35.24 Range $31.42 - $38.13

Q3 2014

Shares 6,195 Value ($000) $297 Avg Close $35.67 Range $31.93 - $41.13

Q2 2014

Shares 6,205 Value ($000) $381 Avg Close $38.31 Range $36.56 - $40.65

Q1 2014

Shares 6,214 Value ($000) $358 Avg Close $36.15 Range $33.35 - $38.82

Q4 2013

Shares 6,243 Value ($000) $328 Avg Close $33.02 Range $30.45 - $35.53

Q3 2013

Shares 6,319 Value ($000) $315 Avg Close $32.70 Range $30.21 - $35.44

Q2 2013

Shares 6,324 Value ($000) $308 Avg Close $30.15 Range $27.57 - $32.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	122,582	$8,510	$66.47	$58.20 - $73.32
Q3 2025	137,130	$8,446	$57.38	$54.13 - $60.96
Q2 2025	139,514	$7,827	$56.47	$52.67 - $59.65
Q1 2025	136,971	$8,307	$56.47	$52.15 - $59.45
Q4 2024	132,754	$7,769	$57.33	$53.67 - $62.19
Q3 2024	130,050	$7,949	$54.39	$49.37 - $58.14
Q2 2024	136,870	$7,443	$50.26	$46.53 - $53.93
Q1 2024	136,062	$7,429	$47.73	$44.68 - $50.77
Q4 2023	126,158	$6,806	$46.16	$41.54 - $51.76
Q3 2023	122,563	$6,200	$50.50	$44.92 - $54.81
Q2 2023	142,915	$8,612	$55.83	$52.26 - $58.57
Q1 2023	128,018	$8,078	$57.47	$51.53 - $64.19
Q4 2022	132,152	$9	$58.05	$50.78 - $62.96
Q3 2022	115,843	$7,846	$64.21	$58.14 - $68.58
Q2 2022	97,608	$7,103	$63.81	$56.66 - $68.52
Q1 2022	94,460	$7,275	$58.63	$54.02 - $65.73
Q4 2021	72,247	$5,098	$55.40	$51.95 - $59.51
Q3 2021	71,278	$4,473	$56.46	$51.50 - $60.51
Q2 2021	55,141	$3,619	$55.86	$53.24 - $58.36
Q1 2021	44,074	$2,943	$50.63	$47.19 - $55.19
Q4 2020	20,953	$1,288	$48.27	$42.45 - $52.98
Q3 2020	20,110	$1,076	$45.64	$41.75 - $49.89
Q2 2020	13,275	$752	$47.91	$41.68 - $55.82
Q1 2020	14,458	$926	$59.44	$37.90 - $68.25
Q4 2019	10,839	$851	$60.15	$57.52 - $62.11
Q3 2019	10,751	$825	$60.34	$54.21 - $62.80
Q2 2019	9,574	$748	$58.01	$54.08 - $63.38
Q1 2019	9,514	$705	$52.65	$46.35 - $57.40
Q4 2018	9,472	$595	$47.68	$43.15 - $52.00
Q3 2018	10,889	$633	$45.23	$42.66 - $48.12
Q2 2018	14,466	$885	$42.43	$39.15 - $46.25
Q1 2018	14,437	$784	$39.62	$37.38 - $44.38
Q4 2017	7,812	$470	$45.46	$41.87 - $51.03
Q3 2017	7,801	$537	$50.60	$48.73 - $51.89
Q2 2017	7,802	$526	$49.84	$47.18 - $52.32
Q1 2017	7,798	$518	$45.51	$43.01 - $48.38
Q4 2016	7,869	$483	$42.62	$38.96 - $45.02
Q3 2016	7,739	$474	$43.19	$40.45 - $45.62
Q2 2016	9,929	$626	$42.44	$39.39 - $44.88
Q1 2016	9,151	$550	$37.32	$31.07 - $42.88
Q4 2015	14,837	$689	$30.44	$27.84 - $33.06
Q3 2015	12,943	$535	$28.18	$25.38 - $32.28
Q2 2015	12,950	$565	$32.61	$29.70 - $35.86
Q1 2015	11,660	$588	$34.02	$32.42 - $35.85
Q4 2014	9,579	$508	$35.24	$31.42 - $38.13
Q3 2014	6,195	$297	$35.67	$31.93 - $41.13
Q2 2014	6,205	$381	$38.31	$36.56 - $40.65
Q1 2014	6,214	$358	$36.15	$33.35 - $38.82
Q4 2013	6,243	$328	$33.02	$30.45 - $35.53
Q3 2013	6,319	$315	$32.70	$30.21 - $35.44
Q2 2013	6,324	$308	$30.15	$27.57 - $32.51