BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q4 2025

Shares 43,904 Value ($000) $3 Avg Close $66.47 Range $58.20 - $73.32

Q3 2025

Shares 41,798 Value ($000) $3 Avg Close $57.38 Range $54.13 - $60.96

Q2 2025

Shares 41,027 Value ($000) $2 Avg Close $56.47 Range $52.67 - $59.65

Q1 2025

Shares 42,387 Value ($000) $3 Avg Close $56.47 Range $52.15 - $59.45

Q4 2024

Shares 46,512 Value ($000) $3 Avg Close $57.33 Range $53.67 - $62.19

Q3 2024

Shares 48,469 Value ($000) $3 Avg Close $54.39 Range $49.37 - $58.14

Q2 2024

Shares 43,341 Value ($000) $2 Avg Close $50.26 Range $46.53 - $53.93

Q1 2024

Shares 38,483 Value ($000) $2 Avg Close $47.73 Range $44.68 - $50.77

Q4 2023

Shares 38,483 Value ($000) $2 Avg Close $46.16 Range $41.54 - $51.76

Q3 2023

Shares 40,282 Value ($000) $2 Avg Close $50.50 Range $44.92 - $54.81

Q2 2023

Shares 36,384 Value ($000) $2 Avg Close $55.83 Range $52.26 - $58.57

Q1 2023

Shares 43,146 Value ($000) $3 Avg Close $57.47 Range $51.53 - $64.19

Q4 2022

Shares 46,111 Value ($000) $3 Avg Close $58.05 Range $50.78 - $62.96

Q3 2022

Shares 41,465 Value ($000) $2,812 Avg Close $64.21 Range $58.14 - $68.58

Q2 2022

Shares 41,391 Value ($000) $3,012 Avg Close $63.81 Range $56.66 - $68.52

Q1 2022

Shares 36,590 Value ($000) $2,896 Avg Close $58.63 Range $54.02 - $65.73

Q4 2021

Shares 32,933 Value ($000) $2,324 Avg Close $55.40 Range $51.95 - $59.51

Q3 2021

Shares 30,810 Value ($000) $1,949 Avg Close $56.46 Range $51.50 - $60.51

Q2 2021

Shares 25,450 Value ($000) $1,670 Avg Close $55.86 Range $53.24 - $58.36

Q1 2021

Shares 25,804 Value ($000) $1,721 Avg Close $50.63 Range $47.19 - $55.19

Q4 2020

Shares 27,129 Value ($000) $1,667 Avg Close $48.27 Range $42.45 - $52.98

Q3 2020

Shares 29,335 Value ($000) $1,569 Avg Close $45.64 Range $41.75 - $49.89

Q2 2020

Shares 31,242 Value ($000) $1,767 Avg Close $47.91 Range $41.68 - $55.82

Q1 2020

Shares 31,987 Value ($000) $2,048 Avg Close $59.44 Range $37.90 - $68.25

Q4 2019

Shares 29,790 Value ($000) $2,321 Avg Close $60.15 Range $57.52 - $62.11

Q2 2019

Shares 110,154 Value ($000) $8,626 Avg Close $58.01 Range $54.08 - $63.38

Q4 2018

Shares 112,615 Value ($000) $6,941 Avg Close $47.68 Range $43.15 - $52.00

Q3 2018

Shares 33,311 Value ($000) $1,935 Avg Close $45.23 Range $42.66 - $48.12

Q2 2018

Shares 34,491 Value ($000) $2,111 Avg Close $42.43 Range $39.15 - $46.25

Q1 2018

Shares 34,430 Value ($000) $1,870 Avg Close $39.62 Range $37.38 - $44.38

Q4 2017

Shares 32,668 Value ($000) $1,963 Avg Close $45.46 Range $41.87 - $51.03

Q3 2017

Shares 30,783 Value ($000) $2,133 Avg Close $50.60 Range $48.73 - $51.89

Q2 2017

Shares 38,939 Value ($000) $2,625 Avg Close $49.84 Range $47.18 - $52.32

Q1 2017

Shares 31,351 Value ($000) $2,080 Avg Close $45.51 Range $43.01 - $48.38

Q4 2016

Shares 33,340 Value ($000) $2,047 Avg Close $42.62 Range $38.96 - $45.02

Q3 2016

Shares 30,505 Value ($000) $1,867 Avg Close $43.19 Range $40.45 - $45.62

Q2 2016

Shares 114,736 Value ($000) $7,203 Avg Close $42.44 Range $39.39 - $44.88

Q1 2016

Shares 94,492 Value ($000) $5,675 Avg Close $37.32 Range $31.07 - $42.88

Q4 2015

Shares 3,739 Value ($000) $174 Avg Close $30.44 Range $27.84 - $33.06

Q3 2015

Shares 3,739 Value ($000) $155 Avg Close $28.18 Range $25.38 - $32.28

Q2 2015

Shares 3,739 Value ($000) $163 Avg Close $32.61 Range $29.70 - $35.86

Q1 2015

Shares 3,739 Value ($000) $188 Avg Close $34.02 Range $32.42 - $35.85

Q4 2014

Shares 3,739 Value ($000) $198 Avg Close $35.24 Range $31.42 - $38.13

Q3 2014

Shares 3,739 Value ($000) $180 Avg Close $35.67 Range $31.93 - $41.13

Q2 2014

Shares 1,991 Value ($000) $122 Avg Close $38.31 Range $36.56 - $40.65

Q1 2014

Shares 1,991 Value ($000) $114 Avg Close $36.15 Range $33.35 - $38.82

Q4 2013

Shares 1,991 Value ($000) $105 Avg Close $33.02 Range $30.45 - $35.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	43,904	$3	$66.47	$58.20 - $73.32
Q3 2025	41,798	$3	$57.38	$54.13 - $60.96
Q2 2025	41,027	$2	$56.47	$52.67 - $59.65
Q1 2025	42,387	$3	$56.47	$52.15 - $59.45
Q4 2024	46,512	$3	$57.33	$53.67 - $62.19
Q3 2024	48,469	$3	$54.39	$49.37 - $58.14
Q2 2024	43,341	$2	$50.26	$46.53 - $53.93
Q1 2024	38,483	$2	$47.73	$44.68 - $50.77
Q4 2023	38,483	$2	$46.16	$41.54 - $51.76
Q3 2023	40,282	$2	$50.50	$44.92 - $54.81
Q2 2023	36,384	$2	$55.83	$52.26 - $58.57
Q1 2023	43,146	$3	$57.47	$51.53 - $64.19
Q4 2022	46,111	$3	$58.05	$50.78 - $62.96
Q3 2022	41,465	$2,812	$64.21	$58.14 - $68.58
Q2 2022	41,391	$3,012	$63.81	$56.66 - $68.52
Q1 2022	36,590	$2,896	$58.63	$54.02 - $65.73
Q4 2021	32,933	$2,324	$55.40	$51.95 - $59.51
Q3 2021	30,810	$1,949	$56.46	$51.50 - $60.51
Q2 2021	25,450	$1,670	$55.86	$53.24 - $58.36
Q1 2021	25,804	$1,721	$50.63	$47.19 - $55.19
Q4 2020	27,129	$1,667	$48.27	$42.45 - $52.98
Q3 2020	29,335	$1,569	$45.64	$41.75 - $49.89
Q2 2020	31,242	$1,767	$47.91	$41.68 - $55.82
Q1 2020	31,987	$2,048	$59.44	$37.90 - $68.25
Q4 2019	29,790	$2,321	$60.15	$57.52 - $62.11
Q2 2019	110,154	$8,626	$58.01	$54.08 - $63.38
Q4 2018	112,615	$6,941	$47.68	$43.15 - $52.00
Q3 2018	33,311	$1,935	$45.23	$42.66 - $48.12
Q2 2018	34,491	$2,111	$42.43	$39.15 - $46.25
Q1 2018	34,430	$1,870	$39.62	$37.38 - $44.38
Q4 2017	32,668	$1,963	$45.46	$41.87 - $51.03
Q3 2017	30,783	$2,133	$50.60	$48.73 - $51.89
Q2 2017	38,939	$2,625	$49.84	$47.18 - $52.32
Q1 2017	31,351	$2,080	$45.51	$43.01 - $48.38
Q4 2016	33,340	$2,047	$42.62	$38.96 - $45.02
Q3 2016	30,505	$1,867	$43.19	$40.45 - $45.62
Q2 2016	114,736	$7,203	$42.44	$39.39 - $44.88
Q1 2016	94,492	$5,675	$37.32	$31.07 - $42.88
Q4 2015	3,739	$174	$30.44	$27.84 - $33.06
Q3 2015	3,739	$155	$28.18	$25.38 - $32.28
Q2 2015	3,739	$163	$32.61	$29.70 - $35.86
Q1 2015	3,739	$188	$34.02	$32.42 - $35.85
Q4 2014	3,739	$198	$35.24	$31.42 - $38.13
Q3 2014	3,739	$180	$35.67	$31.93 - $41.13
Q2 2014	1,991	$122	$38.31	$36.56 - $40.65
Q1 2014	1,991	$114	$36.15	$33.35 - $38.82
Q4 2013	1,991	$105	$33.02	$30.45 - $35.53