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Alliant Energy Corporation 2025-2026 Proxy Voting Records

Compiled from SEC Form N-PX filings and Alliant Energy Corporation’s Form 8-K, filed May 21, 2026 (Item 5.07 on EDGAR). Page generated October 18, 2026.

6Ballot items
734Asset managers
5,305Fund votes
May 20, 2026Meeting date

Results at a glance

Meeting of May 20, 2026: 6 items on Alliant Energy Corporation’s Form 8-K, filed May 21, 2026: 4 elected · 2 approved.

Material dissent

None.

Material dissent: a director nominee under 80% of the votes cast, say-on-pay under 70%, any other item the board put forward under 80%, or a shareholder proposal with more than 50%, on the company’s own Form 8-K tally. How this is decided

Proxy season: 2023-2024 2024-2025 2025-2026

Explore Alliant Energy Corporation in the interactive database Compare manager voting policies

Official 2025-2026 meeting results reported by Alliant Energy Corporation

These tallies are Alliant Energy Corporation’s own, as disclosed to the U.S. Securities and Exchange Commission on Form 8-K, filed May 21, 2026 (Item 5.07, “Submission of Matters to a Vote of Security Holders”). They cover every share voted at the meeting, not just the funds that file Form N-PX.

Alliant Energy Corporation — official shareholder meeting results, meeting held May 20, 2026
Ballot item	For	Against	Abstain	Withheld	Broker non-votes	Support (of votes cast)	Reported outcome	Voting standard
Elect Director: Patrick Allen	190,057,409	15,461,011	316,328	--	23,966,787	92%	Elected	—
Elect Director: Manu Asthana	204,157,674	1,248,759	428,315	--	23,966,787	99.3%	Elected	—
Elect Director: Ignacio Cortina	191,505,839	13,801,874	527,035	--	23,966,787	93%	Elected	—
Elect Director: Michael Garcia	177,498,853	27,812,589	523,306	--	23,966,787	86%	Elected	—
2. Approve, on an advisory, non-binding basis, the compensation of our named executive officers	196,043,476	8,748,646	1,042,626	--	23,966,787	96%	Approved	—
3. Ratify the appointment of Deloitte & Touche LLP as our independent registered public accounting firm for 2026	221,486,729	7,841,355	473,451	--	--	97%	Approved	—

Source: Alliant Energy Corporation, Form 8-K, filed with the SEC on May 21, 2026 — read the filing on EDGAR.

How asset managers voted at the Alliant Energy Corporation 2025-2026 meeting

Each item below shows how the 734 asset managers that disclosed a Alliant Energy Corporation vote in their SEC Form N-PX filings actually voted. Share totals are the shares those managers' funds voted, summed across every fund they report.

1. Elect Director: Ignacio Cortina

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 8 wordings of this item as funds reported it.

93% Majority: yes · of votes cast

FOR 93%

FOR: 191,505,839AGAINST: 13,801,874

Details: description as filed, official tally, votes by 150 asset managers

Description as filed by funds: Election of Directors. Nominees for terms ending in 2029: Ignacio Cortina

Alliant Energy Corporation’s own tally for this item (“Elect Director: Ignacio Cortina”): 191,505,839 for, 13,801,874 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “Each nominee for director was elected for a term ending in 2029 by the following vote:”
Support: 93% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 150 asset managers below reported 116,264,306 for, 5,599,631 against, 6,248 abstained, 207 not voted.

FOR

FOR: 116,264,306AGAINST: 5,599,631ABSTAIN: 6,248NOT VOTED: 207

Largest asset managers voting on “Election of Directors. Nominees for terms ending in 2029: Ignacio Cortina” at Alliant Energy Corporation, 2025-2026
Asset manager	For	Against	Abstain	Vote
Vanguard	31,374,080	271	8	For
BlackRock	12,265,758	0	0	For
Fidelity	8,857,336	676,191	0	Mixed
JANUS INVESTMENT FUND	8,043,006	0	0	For
State Street	7,800,044	0	0	For
TIAA	5,427,860	0	0	For
Victory Capital	5,370,104	0	0	For
MFS	4,613,173	0	0	For
T. Rowe Price	0	3,738,119	0	Against
Franklin Custodian Funds	3,500,000	0	0	For
Charles Schwab	2,336,359	0	0	For
TRUST FOR PROFESSIONAL MANAGERS	1,894,483	0	0	For
REAVES UTILITY INCOME FUND	1,862,715	0	0	For
Prudential/PGIM	1,722,484	0	0	For
Cohen & Steers	1,611,882	0	0	For
First Trust	1,604,256	0	0	For
DNP SELECT INCOME FUND INC	1,573,767	0	0	For
Bridge Builder Trust	944,698	583,383	0	Mixed
Nuveen	1,210,805	0	0	For
MASSACHUSETTS INVESTORS TRUST	1,116,045	0	0	For
Thrivent	1,030,035	0	0	For
ETFis Series Trust I	988,319	0	0	For
Principal	843,384	0	0	For
Equitable	765,427	0	0	For
JANUS ASPEN SERIES	647,184	0	0	For

Showing the 25 largest of 150 asset managers. See all 150 in the interactive database.

2. Elect Director: Manu Asthana

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 8 wordings of this item as funds reported it.

99.3% Majority: yes · of votes cast

FOR 99.3%

FOR: 204,157,674AGAINST: 1,248,759

Details: description as filed, official tally, votes by 150 asset managers

Description as filed by funds: Election of Directors. Nominees for terms ending in 2029: Manu Asthana

Alliant Energy Corporation’s own tally for this item (“Elect Director: Manu Asthana”): 204,157,674 for, 1,248,759 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “Each nominee for director was elected for a term ending in 2029 by the following vote:”
Support: 99.3% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 150 asset managers below reported 121,863,919 for, 20 against, 6,246 abstained, 207 not voted.

FOR

FOR: 121,863,919AGAINST: 20ABSTAIN: 6,246NOT VOTED: 207

Largest asset managers voting on “Election of Directors. Nominees for terms ending in 2029: Manu Asthana” at Alliant Energy Corporation, 2025-2026
Asset manager	For	Against	Abstain	Vote
Vanguard	31,374,333	20	6	For
BlackRock	12,265,758	0	0	For
Fidelity	9,533,527	0	0	For
JANUS INVESTMENT FUND	8,043,006	0	0	For
State Street	7,800,044	0	0	For
TIAA	5,427,860	0	0	For
Victory Capital	5,370,104	0	0	For
MFS	4,613,173	0	0	For
T. Rowe Price	3,738,119	0	0	For
Franklin Custodian Funds	3,500,000	0	0	For
Charles Schwab	2,336,359	0	0	For
TRUST FOR PROFESSIONAL MANAGERS	1,894,483	0	0	For
REAVES UTILITY INCOME FUND	1,862,715	0	0	For
Prudential/PGIM	1,722,484	0	0	For
Cohen & Steers	1,611,882	0	0	For
First Trust	1,604,256	0	0	For
DNP SELECT INCOME FUND INC	1,573,767	0	0	For
Bridge Builder Trust	1,528,081	0	0	For
Nuveen	1,210,805	0	0	For
MASSACHUSETTS INVESTORS TRUST	1,116,045	0	0	For
Thrivent	1,030,035	0	0	For
ETFis Series Trust I	988,319	0	0	For
Principal	843,384	0	0	For
Equitable	765,427	0	0	For
JANUS ASPEN SERIES	647,184	0	0	For

Showing the 25 largest of 150 asset managers. See all 150 in the interactive database.

3. Elect Director: Michael Garcia

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 8 wordings of this item as funds reported it.

86% Majority: yes · of votes cast

FOR 86%

FOR: 177,498,853AGAINST: 27,812,589

Details: description as filed, official tally, votes by 150 asset managers

Description as filed by funds: Election of Directors. Nominees for terms ending in 2029: Michael Garcia

Alliant Energy Corporation’s own tally for this item (“Elect Director: Michael Garcia”): 177,498,853 for, 27,812,589 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “Each nominee for director was elected for a term ending in 2029 by the following vote:”
Support: 86% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 150 asset managers below reported 108,408,702 for, 13,455,234 against, 6,248 abstained, 207 not voted.

FOR

FOR: 108,408,702AGAINST: 13,455,234ABSTAIN: 6,248NOT VOTED: 207

Largest asset managers voting on “Election of Directors. Nominees for terms ending in 2029: Michael Garcia” at Alliant Energy Corporation, 2025-2026
Asset manager	For	Against	Abstain	Vote
Vanguard	31,373,793	558	8	For
BlackRock	12,264,279	1,479	0	For
Fidelity	8,857,336	676,191	0	Mixed
JANUS INVESTMENT FUND	8,043,006	0	0	For
State Street	27,937	7,772,107	0	Against
TIAA	5,427,860	0	0	For
Victory Capital	5,370,104	0	0	For
MFS	4,613,173	0	0	For
T. Rowe Price	0	3,738,119	0	Against
Franklin Custodian Funds	3,500,000	0	0	For
Charles Schwab	2,336,359	0	0	For
TRUST FOR PROFESSIONAL MANAGERS	1,894,483	0	0	For
REAVES UTILITY INCOME FUND	1,862,715	0	0	For
Prudential/PGIM	1,722,484	0	0	For
Cohen & Steers	1,611,882	0	0	For
First Trust	1,604,256	0	0	For
DNP SELECT INCOME FUND INC	1,573,767	0	0	For
Bridge Builder Trust	944,698	583,383	0	Mixed
Nuveen	1,210,805	0	0	For
MASSACHUSETTS INVESTORS TRUST	1,116,045	0	0	For
Thrivent	1,030,035	0	0	For
ETFis Series Trust I	988,319	0	0	For
Principal	843,384	0	0	For
Equitable	765,427	0	0	For
JANUS ASPEN SERIES	647,184	0	0	For

Showing the 25 largest of 150 asset managers. See all 150 in the interactive database.

4. Elect Director: Patrick Allen

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 8 wordings of this item as funds reported it.

92% Majority: yes · of votes cast

FOR 92%

FOR: 190,057,409AGAINST: 15,461,011

Details: description as filed, official tally, votes by 150 asset managers

Description as filed by funds: Election of Directors. Nominees for terms ending in 2029: Patrick Allen

Alliant Energy Corporation’s own tally for this item (“Elect Director: Patrick Allen”): 190,057,409 for, 15,461,011 against, per its Form 8-K filed May 21, 2026 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “Each nominee for director was elected for a term ending in 2029 by the following vote:”
Support: 92% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 150 asset managers below reported 115,954,457 for, 5,909,484 against, 6,244 abstained, 207 not voted.

FOR

FOR: 115,954,457AGAINST: 5,909,484ABSTAIN: 6,244NOT VOTED: 207

Largest asset managers voting on “Election of Directors. Nominees for terms ending in 2029: Patrick Allen” at Alliant Energy Corporation, 2025-2026
Asset manager	For	Against	Abstain	Vote
Vanguard	31,374,055	300	4	For
BlackRock	12,265,758	0	0	For
Fidelity	8,857,336	676,191	0	Mixed
JANUS INVESTMENT FUND	8,043,006	0	0	For
State Street	7,799,924	120	0	For
TIAA	5,427,860	0	0	For
Victory Capital	5,370,104	0	0	For
MFS	4,613,173	0	0	For
T. Rowe Price	0	3,738,119	0	Against
Franklin Custodian Funds	3,500,000	0	0	For
Charles Schwab	2,336,359	0	0	For
TRUST FOR PROFESSIONAL MANAGERS	1,894,483	0	0	For
REAVES UTILITY INCOME FUND	1,862,715	0	0	For
Prudential/PGIM	1,722,484	0	0	For
Cohen & Steers	1,611,882	0	0	For
First Trust	1,604,256	0	0	For
DNP SELECT INCOME FUND INC	1,573,767	0	0	For
Bridge Builder Trust	944,698	583,383	0	Mixed
Nuveen	1,210,805	0	0	For
MASSACHUSETTS INVESTORS TRUST	1,116,045	0	0	For
Thrivent	1,030,035	0	0	For
ETFis Series Trust I	988,319	0	0	For
Principal	843,384	0	0	For
Equitable	765,427	0	0	For
JANUS ASPEN SERIES	647,184	0	0	For

Showing the 25 largest of 150 asset managers. See all 150 in the interactive database.

5. 2. Approve, on an advisory, non-binding basis, the compensation of our named executive officers

Official result Fund totals may overlapSECTION 14A SAY-ON-PAY VOTESReported outcome: Approved

Combines 12 wordings of this item as funds reported it.

96% Approved · of votes cast

FOR 96%

FOR: 196,043,476AGAINST: 8,748,646

Details: description as filed, official tally, votes by 734 asset managers

Description as filed by funds: Advisory vote to approve the compensation of our named executive officers

Alliant Energy Corporation’s own tally for this item (“2. Approve, on an advisory, non-binding basis, the compensation of our named executive officers”): 196,043,476 for, 8,748,646 against — passed, per its Form 8-K filed May 21, 2026 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “This matter was approved by the following vote:”
Support: 96% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports: 150 asset managers voting on “Advisory vote to approve the compensation of our named executive officers” at Alliant Energy Corporation, 2025-2026
Asset manager	For	Against	Abstain	Vote
Vanguard	31,374,196	149	14	For
BlackRock	12,265,758	0	0	For
Fidelity	9,533,527	0	0	For
JANUS INVESTMENT FUND	8,043,006	0	0	For
State Street	7,800,044	0	0	For
TIAA	5,427,860	0	0	For
Victory Capital	5,370,104	0	0	For
MFS	4,613,173	0	0	For
T. Rowe Price	3,738,119	0	0	For
Franklin Custodian Funds	3,500,000	0	0	For
Charles Schwab	2,336,359	0	0	For
TRUST FOR PROFESSIONAL MANAGERS	1,894,483	0	0	For
REAVES UTILITY INCOME FUND	1,862,715	0	0	For
Prudential/PGIM	1,722,484	0	0	For
Cohen & Steers	1,611,882	0	0	For
First Trust	1,604,256	0	0	For
DNP SELECT INCOME FUND INC	1,573,767	0	0	For
Bridge Builder Trust	1,528,081	0	0	For
Nuveen	1,210,805	0	0	For
MASSACHUSETTS INVESTORS TRUST	1,116,045	0	0	For
Thrivent	1,030,035	0	0	For
ETFis Series Trust I	988,319	0	0	For
Principal	843,384	0	0	For
Equitable	765,427	0	0	For
JANUS ASPEN SERIES	647,184	0	0	For

Fund voting reports, all 150 managers: 121,367,648 for, 504,658 against, 6,254 abstained, 207 not voted, 194 mixed. Showing the 25 largest; see all in the interactive database.

Institutional-manager reports: 622 asset managers voting on “Advisory vote to approve the compensation of our named executive officers” at Alliant Energy Corporation, 2025-2026
Asset manager	For	Against	Vote
Janus Henderson	21,616,986	0	For
State Street	12,457,168	22,529	For
T. Rowe Price	9,858,544	0	For
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	7,599,376	0	For
Nuveen	7,549,013	0	For
GEODE CAPITAL MANAGEMENT, LLC	7,219,215	0	For
Victory Capital	6,512,674	0	For
BlackRock	5,761,031	609	For
FRANKLIN ADVISERS INC	3,584,985	0	For
PICTET ASSET MANAGEMENT SA	3,072,239	0	For
Vanguard	2,754,168	0	For
Charles Schwab	2,364,589	0	For
Fidelity	2,337,800	0	For
JENNISON ASSOCIATES LLC	1,690,746	0	For
JOHNSON INVESTMENT COUNSEL INC	1,607,865	0	For
Northern Trust	1,358,283	0	For
Magellan Asset Management Ltd	1,314,713	0	For
Neuberger Berman	1,312,540	0	For
Cohen & Steers	1,177,220	0	For
Legal & General Investment Management Ltd	22,000	1,139,596	Against
PARAMETRIC PORTFOLIO ASSOCIATES LLC	1,115,088	0	For
Thrivent	1,050,111	0	For
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.	1,018,623	0	For
Invesco	1,012,329	0	For
AllianceBernstein	986,036	0	For

Institutional-manager reports, all 622 managers: 128,355,208 for, 3,400,551 against, 31,420 abstained, 24,609 not voted. Showing the 25 largest; see all in the interactive database.

6. 3. Ratify the appointment of Deloitte & Touche LLP as our independent registered public accounting firm for 2026

Official resultAUDIT-RELATEDReported outcome: Approved

Combines 6 wordings of this item as funds reported it.

97% Approved · of votes cast

FOR 97%

FOR: 221,486,729AGAINST: 7,841,355

Details: description as filed, official tally, votes by 151 asset managers

Description as filed by funds: Ratification of the appointment of Deloitte & Touche LLP as the Company's independent registered public accounting firm for 2026

Alliant Energy Corporation’s own tally for this item (“3. Ratify the appointment of Deloitte & Touche LLP as our independent registered public accounting firm for 2026”): 221,486,729 for, 7,841,355 against — passed, per its Form 8-K filed May 21, 2026 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “This matter was approved by the following vote:”
Support: 97% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 151 asset managers below reported 121,781,277 for, 82,672 against, 6,244 abstained, 207 not voted.

FOR

FOR: 121,781,277AGAINST: 82,672ABSTAIN: 6,244NOT VOTED: 207

Largest asset managers voting on “Ratification of the appointment of Deloitte & Touche LLP as the Company's independent registered public accoun” at Alliant Energy Corporation, 2025-2026
Asset manager	For	Against	Abstain	Vote
Vanguard	31,335,388	38,967	4	For
BlackRock	12,264,279	1,479	0	For
Fidelity	9,533,527	0	0	For
JANUS INVESTMENT FUND	8,043,006	0	0	For
State Street	7,799,856	188	0	For
TIAA	5,427,860	0	0	For
Victory Capital	5,370,104	0	0	For
MFS	4,613,173	0	0	For
T. Rowe Price	3,738,119	0	0	For
Franklin Custodian Funds	3,500,000	0	0	For
Charles Schwab	2,336,359	0	0	For
TRUST FOR PROFESSIONAL MANAGERS	1,894,483	0	0	For
REAVES UTILITY INCOME FUND	1,862,715	0	0	For
Prudential/PGIM	1,722,484	0	0	For
Cohen & Steers	1,611,882	0	0	For
First Trust	1,604,256	0	0	For
DNP SELECT INCOME FUND INC	1,573,767	0	0	For
Bridge Builder Trust	1,528,081	0	0	For
Nuveen	1,210,805	0	0	For
MASSACHUSETTS INVESTORS TRUST	1,116,045	0	0	For
Thrivent	1,030,035	0	0	For
ETFis Series Trust I	988,319	0	0	For
Principal	843,384	0	0	For
Equitable	765,427	0	0	For
JANUS ASPEN SERIES	647,184	0	0	For

Showing the 25 largest of 151 asset managers. See all 151 in the interactive database.

Not shown here: this season’s fund filings also report 1 item from the meeting of May 16, 2025, which belongs to the 2024-2025 season. A meeting outside this season’s July 1 to June 30 window is not counted in this page’s items or in its totals of asset managers and fund votes.

Largest Alliant Energy Corporation shareholders voting in 2025-2026

Ranked separately for each type of Form N-PX report. An institutional manager can report shares that a fund it advises also reports, so the two tables can list the same shares and are never added together. Each is ranked by the shares voted on the item that the most managers of that type reported, shown as a share of the 258,277,037 shares outstanding at the time of that meeting.

Fund voting reports: top Alliant Energy Corporation shareholders by shares voted on “Advisory vote to approve the compensation of our named executive officers”, 2025-2026
#	Asset manager	% of shares outstanding
1	Vanguard	12.15%
2	BlackRock	4.75%
3	Fidelity	3.69%
4	JANUS INVESTMENT FUND	3.11%
5	State Street	3.02%
6	TIAA	2.10%
7	Victory Capital	2.08%
8	MFS	1.79%
9	T. Rowe Price	1.45%
10	Franklin Custodian Funds	1.36%

Institutional-manager reports: top Alliant Energy Corporation shareholders by shares voted on “Advisory vote to approve the compensation of our named executive officers”, 2025-2026
#	Asset manager	% of shares outstanding
1	Janus Henderson	8.37%
2	State Street	4.83%
3	T. Rowe Price	3.82%
4	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	2.94%
5	Nuveen	2.92%
6	GEODE CAPITAL MANAGEMENT, LLC	2.80%
7	Victory Capital	2.52%
8	BlackRock	2.23%
9	FRANKLIN ADVISERS INC	1.39%
10	PICTET ASSET MANAGEMENT SA	1.19%

Reported Alliant Energy Corporation holdings and ownership

As disclosed to the SEC in Form 13F (quarter-end holdings of 30 large managers), Schedules 13D and 13G (beneficial ownership above 5%) and the company’s own proxy statement (DEF 14A). Each row names its form.

Alliant Energy Corporation holdings and ownership disclosed for the 2025-2026 proxy season
Holder	% outstanding	Disclosure
Vanguard Group	13.08%	13F
BlackRock	9.49%	13F
State Street	6.59%	13F
T. Rowe Price	4.11%	13F
Geode Capital	2.81%	13F
Invesco	1.93%	13F
Franklin Templeton	1.51%	13F
Morgan Stanley	1.19%	13F
FMR (Fidelity)	1.11%	13F
Charles Schwab	0.92%	13F

Percentages above are of 258,277,037 shares outstanding, as reported by Alliant Energy Corporation on its Form 10-Q dated March 31, 2026 (see the filing on EDGAR). This is the count contemporaneous with the 2025-2026 meeting, not today’s. Each holding is as of its own filing, which may be dated before or after the meeting.

About this page

Every figure above is derived from filings made with the US Securities and Exchange Commission: Form N-PX, in which registered funds disclose how they voted every proxy and institutional managers disclose their votes on executive pay (say-on-pay, say-on-frequency and golden parachutes), and Form 8-K Item 5.07, in which the company reports its own meeting results. Shares outstanding are taken from Alliant Energy Corporation’s 10-Q dated March 31, 2026. This page is a static snapshot rebuilt weekly on October 18, 2026; a live search always shows the current data.

At Alliant Energy Corporation's shareholder meeting held May 20, 2026, in the 2025-2026 proxy season, 734 asset managers reported how they voted on 6 ballot items in their SEC Form N-PX filings, covering 5,305 separate fund positions. On the most widely held item on that ballot — Advisory vote to approve the compensation of our named executive officers — Alliant Energy Corporation's filing reports the proposal as approved, with 96% support of the votes cast (FOR divided by FOR plus AGAINST, the conventional basis for proxy support; abstentions, broker non-votes and unvoted shares are excluded because none of them took a side). Source: Alliant Energy Corporation's Form 8-K, Item 5.07, filed with the U.S. Securities and Exchange Commission on May 21, 2026.

Alliant Energy Corporation proxy season coverage: 2023-2024 · 2024-2025 · 2025-2026 (this page).

Download data (CSV): ballot items · votes by manager · column guide.