ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

APG Asset Management N.V.'s Holding History (CIK: 0001434819)

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

Q4 2025

Shares 129,707 Value ($000) $7,180 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 275,709 Value ($000) $15,817 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 275,709 Value ($000) $14,203 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 140,200 Value ($000) $8,352 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 139,700 Value ($000) $7,979 Avg Close $58.37 Range $54.30 - $62.16

Q2 2024

Shares 115,016 Value ($000) $5,462 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 98,248 Value ($000) $4,585 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 98,448 Value ($000) $4,572 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 451,277 Value ($000) $21,864 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 459,403 Value ($000) $22,099 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 459,503 Value ($000) $22,585 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 475,161 Value ($000) $26 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 477,806 Value ($000) $25,845 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 460,606 Value ($000) $25,822 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 372,147 Value ($000) $20,898 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 374,247 Value ($000) $20,229 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 378,247 Value ($000) $18,270 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 385,247 Value ($000) $18,114 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 391,347 Value ($000) $18,034 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 341,295 Value ($000) $14,374 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 376,203 Value ($000) $16,570 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 255,963 Value ($000) $10,903 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 268,963 Value ($000) $12,988 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 144,475 Value ($000) $7,043 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 109,375 Value ($000) $5,411 Avg Close $42.08 Range $39.53 - $44.83

Q3 2016

Shares 239,232 Value ($000) $9,165 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 429,258 Value ($000) $17,042 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 187,029 Value ($000) $13,893 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 257,444 Value ($000) $16,077,378 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 257,039 Value ($000) $15,034 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 271,247 Value ($000) $15,656 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 244,776 Value ($000) $15,421 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 243,030 Value ($000) $16,142 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 264,500 Value ($000) $14,656 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 252,715 Value ($000) $15,380 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 222,442 Value ($000) $12,637 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 222,442 Value ($000) $11,478 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 224,675 Value ($000) $11,133 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 262,577 Value ($000) $13,239 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	129,707	$7,180	$66.83	$64.30 - $69.59
Q3 2025	275,709	$15,817	$63.88	$59.07 - $67.04
Q2 2025	275,709	$14,203	$60.10	$55.76 - $64.19
Q1 2025	140,200	$8,352	$59.57	$54.52 - $64.99
Q4 2024	139,700	$7,979	$58.37	$54.30 - $62.16
Q2 2024	115,016	$5,462	$47.71	$44.54 - $49.81
Q1 2024	98,248	$4,585	$46.11	$44.14 - $48.90
Q4 2023	98,448	$4,572	$46.45	$41.77 - $50.29
Q3 2023	451,277	$21,864	$47.84	$44.23 - $51.62
Q2 2023	459,403	$22,099	$49.05	$46.13 - $51.23
Q1 2023	459,503	$22,585	$48.28	$45.19 - $50.77
Q4 2022	475,161	$26	$48.07	$42.22 - $51.90
Q3 2022	477,806	$25,845	$53.87	$47.25 - $57.82
Q2 2022	460,606	$25,822	$53.50	$48.14 - $57.66
Q1 2022	372,147	$20,898	$52.37	$48.33 - $55.78
Q4 2021	374,247	$20,229	$50.05	$47.35 - $54.07
Q3 2021	378,247	$18,270	$51.28	$47.64 - $54.21
Q2 2021	385,247	$18,114	$48.83	$45.94 - $51.03
Q1 2021	391,347	$18,034	$42.55	$39.42 - $47.06
Q4 2020	341,295	$14,374	$45.61	$40.48 - $49.39
Q3 2020	376,203	$16,570	$44.02	$39.84 - $46.94
Q2 2020	255,963	$10,903	$40.72	$36.29 - $45.31
Q1 2020	268,963	$12,988	$45.48	$31.34 - $50.16
Q4 2019	144,475	$7,043	$43.82	$42.11 - $45.80
Q3 2019	109,375	$5,411	$42.08	$39.53 - $44.83
Q3 2016	239,232	$9,165	$29.26	$27.72 - $30.41
Q2 2016	429,258	$17,042	$27.46	$25.25 - $29.85
Q1 2016	187,029	$13,893	$24.74	$22.13 - $27.34
Q4 2015	257,444	$16,077,378	$21.84	$20.45 - $23.41
Q3 2015	257,039	$15,034	$21.20	$19.59 - $22.72
Q2 2015	271,247	$15,656	$21.63	$20.41 - $22.74
Q1 2015	244,776	$15,421	$23.04	$21.25 - $25.01
Q4 2014	243,030	$16,142	$21.73	$19.32 - $24.55
Q3 2014	264,500	$14,656	$20.07	$19.08 - $21.06
Q2 2014	252,715	$15,380	$19.98	$19.02 - $21.06
Q1 2014	222,442	$12,637	$18.07	$16.97 - $19.54
Q4 2013	222,442	$11,478	$17.48	$16.43 - $18.23
Q3 2013	224,675	$11,133	$17.15	$16.21 - $18.15
Q2 2013	262,577	$13,239	$16.89	$15.60 - $17.85