Security
Alliant Energy Corporation Common Stock · LNT
LNTNASDAQCommon stockCurrentCIK 352541Updated Nov 2, 2026
Name history
ALLIANT ENERGY CORP · through Oct 30, 2026INTERSTATE ENERGY CORP · through May 13, 1999WPL HOLDINGS INC · through Feb 23, 1998
LNT price & chart
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NASDAQ:LNT on TradingView ↗About the company
Alliant Energy is the parent company of two public utility companies - Interstate Power and Light Company and Wisconsin Power and Light Company - and of Alliant Energy Finance, LLC, the parent company of Alliant Energy’s non-utility operations. Alliant Energy, whose core purpose is to serve customers and build stronger communities, is an energy-services provider with utility subsidiaries serving approximately 1,015,000 electric and 435,000 natural gas customers. Providing its customers in the Midwest with regulated electricity and natural gas service is the Company’s primary focus. Alliant Energy, headquartered in Madison, Wisconsin, is a component of the S&P 500 and is traded on the Nasdaq Global Select Market under the symbol LNT. For more information, visit the Company’s website at www.alliantenergy.com.
In the news
Recent filings
10-Q filing
Results of Operations and Financial Condition
Items 2.02, 9.01
Entry into a Material Definitive Agreement · Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement
Items 1.01, 2.03, 9.01
Other Events
Items 8.01, 9.01
Results of Operations and Financial Condition
Items 2.02, 9.01
Show 5 more recent filings
11-K filing
Submission of Matters to a Vote of Security Holders
Items 5.07
Results of Operations and Financial Condition
Items 2.02, 9.01
SCHEDULE 13G - filed by VANGUARD CAPITAL MANAGEMENT LLC regarding ALLIANT ENERGY CORP
SCHEDULE 13G - filed by VANGUARD PORTFOLIO MANAGEMENT LLC regarding ALLIANT ENERGY CORP
Financials
FY 2025 · USDSource
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balance sheet · annual statements
| Line item | Q3 2025 | Q3 2024 | Q3 2023 | Q2 2025 | Q2 2024 | Q1 2026 | Q1 2025 | Q1 2024 | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ASSETS | ||||||||||||
| AssetsUSD | 24,627,000,000Source | 22,829,000,000Source | 20,904,000,000Source | 23,750,000,000Source | 21,836,000,000Source | 24,813,000,000Source | 22,851,000,000Source | 21,248,000,000Source | 24,991,000,000Source | 22,714,000,000Source | 21,237,000,000Source | 20,163,000,000Source |
| Property, Plant and Equipment, NetUSD | 19,813,000,000Source | 17,936,000,000Source | 16,633,000,000Source | 19,376,000,000Source | 17,706,000,000Source | 20,589,000,000Source | 19,022,000,000Source | 17,354,000,000Source | 20,344,000,000Source | 18,701,000,000Source | 17,157,000,000Source | 16,247,000,000Source |
| Current assets: | ||||||||||||
| Cash and Cash Equivalents, at Carrying ValueUSD | 503,000,000Source | 827,000,000Source | 206,000,000Source | 329,000,000Source | 92,000,000Source | 115,000,000Source | 25,000,000Source | 32,000,000Source | 556,000,000Source | 81,000,000Source | 62,000,000Source | 20,000,000Source |
| Accounts Receivable, after Allowance for Credit Loss, CurrentUSD | 485,000,000Source | 463,000,000Source | 486,000,000Source | 518,000,000Source | 409,000,000Source | 497,000,000Source | 361,000,000Source | 426,000,000Source | 476,000,000Source | 427,000,000Source | 475,000,000Source | 516,000,000Source |
| Assets, CurrentUSD | 1,844,000,000Source | 1,968,000,000Source | 1,372,000,000Source | 1,474,000,000Source | 1,214,000,000Source | 1,224,000,000Source | 969,000,000Source | 1,108,000,000Source | 1,697,000,000Source | 1,184,000,000Source | 1,272,000,000Source | 1,250,000,000Source |
| Operating Lease, Right-of-Use AssetUSD | — | — | — | — | — | — | — | — | 21,000,000Source | 22,000,000Source | 23,000,000Source | 16,000,000Source |
| Other Assets, NoncurrentUSD | 2,281,000,000Source | 2,292,000,000Source | 2,305,000,000Source | 2,234,000,000Source | 2,293,000,000Source | 2,276,000,000Source | 2,210,000,000Source | 2,175,000,000Source | 2,256,000,000Source | 2,190,000,000Source | 2,206,000,000Source | 2,107,000,000Source |
| LIABILITIES AND EQUITY | ||||||||||||
| Stockholders’ equity: | ||||||||||||
| Common Stock, Value, IssuedUSD | 3,000,000Source | 3,000,000Source | 3,000,000Source | 3,000,000Source | 3,000,000Source | 3,000,000Source | 3,000,000Source | 3,000,000Source | 3,000,000Source | 3,000,000Source | 3,000,000Source | 3,000,000Source |
| Retained Earnings (Accumulated Deficit)USD | 4,231,000,000Source | 3,927,000,000Source | 3,750,000,000Source | 4,080,000,000Source | 3,755,000,000Source | 4,330,000,000Source | 4,037,000,000Source | 3,791,000,000Source | 4,243,000,000Source | 3,954,000,000Source | 3,756,000,000Source | 3,509,000,000Source |
| Accumulated Other Comprehensive Income (Loss), Net of TaxUSD | 0Source | -1,000,000Source | 4,000,000Source | 0Source | 3,000,000Source | 2,000,000Source | 0Source | 2,000,000Source | 1,000,000Source | 1,000,000Source | 1,000,000Source | — |
| Stockholders' Equity Attributable to ParentUSD | 7,307,000,000Source | 6,968,000,000Source | 6,726,000,000Source | 7,145,000,000Source | 6,791,000,000Source | 7,422,000,000Source | 7,093,000,000Source | 6,817,000,000Source | 7,334,000,000Source | 7,004,000,000Source | 6,777,000,000Source | 6,276,000,000Source |
| Additional Paid in Capital, Common StockUSD | 3,087,000,000Source | 3,052,000,000Source | 2,982,000,000Source | 3,075,000,000Source | 3,042,000,000Source | 3,101,000,000Source | 3,066,000,000Source | 3,033,000,000Source | 3,101,000,000Source | 3,060,000,000Source | 3,030,000,000Source | 2,777,000,000Source |
| Liabilities and EquityUSD | 24,627,000,000Source | 22,829,000,000Source | 20,904,000,000Source | 23,750,000,000Source | 21,836,000,000Source | 24,813,000,000Source | 22,851,000,000Source | 21,248,000,000Source | 24,991,000,000Source | 22,714,000,000Source | 21,237,000,000Source | 20,163,000,000Source |
| Current liabilities: | ||||||||||||
| Liabilities, CurrentUSD | 2,234,000,000Source | 2,288,000,000Source | 1,935,000,000Source | 2,579,000,000Source | 1,854,000,000Source | 1,778,000,000Source | 2,888,000,000Source | 1,984,000,000Source | 2,123,000,000Source | 2,715,000,000Source | 2,304,000,000Source | 2,363,000,000Source |
| Operating Lease, Liability, CurrentUSD | — | — | — | — | — | — | — | — | 2,000,000Source | 2,000,000Source | 2,000,000Source | 3,000,000Source |
| Accounts Payable, CurrentUSD | 550,000,000Source | 473,000,000Source | 604,000,000Source | 497,000,000Source | 581,000,000Source | 459,000,000Source | 405,000,000Source | 438,000,000Source | 498,000,000Source | 532,000,000Source | 611,000,000Source | 756,000,000Source |
| Operating Lease, Liability, NoncurrentUSD | — | — | — | — | — | — | — | — | 19,000,000Source | 20,000,000Source | 21,000,000Source | 13,000,000Source |
| Deferred Income Tax Liabilities, NetUSD | 2,187,000,000Source | 2,164,000,000Source | 1,913,000,000Source | 2,198,000,000Source | 2,086,000,000Source | 2,359,000,000Source | 2,147,000,000Source | 2,038,000,000Source | 2,310,000,000Source | 2,188,000,000Source | 2,042,000,000Source | 1,943,000,000Source |
| Other Liabilities, NoncurrentUSD | 971,000,000Source | 939,000,000Source | 544,000,000Source | 967,000,000Source | 939,000,000Source | 998,000,000Source | 959,000,000Source | 604,000,000Source | 984,000,000Source | 947,000,000Source | 617,000,000Source | 518,000,000Source |
| Additional Financial Items | ||||||||||||
| Deferred Tax Liabilities, NetUSD | — | — | — | — | — | — | — | — | 2,310,000,000Source | 2,188,000,000Source | 2,042,000,000Source | 1,943,000,000Source |
| Long-term Debt, Current MaturitiesUSD | 1,074,000,000Source | 1,104,000,000Source | 409,000,000Source | 1,373,000,000Source | 804,000,000Source | 0Source | 1,371,000,000Source | 809,000,000Source | 1,074,000,000Source | 1,171,000,000Source | 809,000,000Source | 408,000,000Source |
| Long-term Debt, Excluding Current MaturitiesUSD | 10,655,000,000Source | 9,245,000,000Source | 8,429,000,000Source | 9,642,000,000Source | 8,900,000,000Source | 11,007,000,000Source | 8,580,000,000Source | 8,524,000,000Source | 10,954,000,000Source | 8,677,000,000Source | 8,225,000,000Source | 7,668,000,000Source |
| Short-term Investments | —Source | — | — | — | — | — | — | — | — | — | — | — |
cash flow · annual statements
| Line item | Q4 2025 | Q4 2024 | Q3 2025 | Q3 2024 | Q2 2025 | Q2 2024 | Q1 2026 | Q1 2025 | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cash flows from operating activities: | ||||||||||||
| Adjustments to reconcile net income to net cash provided by operating activities: | ||||||||||||
| Depreciation, Depletion and AmortizationUSD | — | — | 211,000,000Source | 195,000,000Source | 208,000,000Source | 188,000,000Source | 223,000,000Source | 211,000,000Source | 846,000,000Source | 772,000,000Source | 676,000,000Source | 671,000,000Source |
| Changes in operating assets and liabilities: | ||||||||||||
| Increase (Decrease) in Accounts ReceivableUSD | — | — | — | — | — | — | 71,000,000Source | 128,000,000Source | 652,000,000Source | 547,000,000Source | 414,000,000Source | 672,000,000Source |
| Increase (Decrease) in Accounts PayableUSD | — | — | — | — | — | — | -59,000,000Source | -45,000,000Source | 14,000,000Source | 96,000,000Source | -122,000,000Source | 78,000,000Source |
| Net Cash Provided by (Used in) Operating ActivitiesUSD | — | — | — | — | — | — | 368,000,000Source | 249,000,000Source | 1,169,000,000Source | 1,167,000,000Source | 867,000,000Source | 486,000,000Source |
| Cash flows from investing activities: | ||||||||||||
| Net Cash Provided by (Used in) Investing ActivitiesUSD | — | — | — | — | — | — | -393,000,000Source | -404,000,000Source | -1,896,000,000Source | -1,547,000,000Source | -1,401,000,000Source | -933,000,000Source |
| Payments for (Proceeds from) Other Investing ActivitiesUSD | — | — | — | — | — | — | 4,000,000Source | 14,000,000Source | 41,000,000Source | 14,000,000Source | 120,000,000Source | 47,000,000Source |
| Payments to Acquire Property, Plant, and EquipmentUSD | — | — | — | — | — | — | 342,000,000Source | 554,000,000Source | — | — | — | 1,484,000,000Source |
| Cash flows from financing activities: | ||||||||||||
| Net Cash Provided by (Used in) Financing ActivitiesUSD | — | — | — | — | — | — | -416,000,000Source | 99,000,000Source | 1,202,000,000Source | 398,000,000Source | 573,000,000Source | 431,000,000Source |
| Payments of Ordinary Dividends, Common StockUSD | — | — | — | — | — | — | 137,000,000Source | 130,000,000Source | 521,000,000Source | 492,000,000Source | 456,000,000Source | 428,000,000Source |
| Proceeds from (Payments for) Other Financing ActivitiesUSD | — | — | — | — | — | — | 1,000,000Source | 9,000,000Source | 0Source | -20,000,000Source | 3,000,000Source | 2,000,000Source |
| Repayments of Long-term DebtUSD | — | — | — | — | — | — | 1,075,000,000Source | 0Source | 300,000,000Source | 809,000,000Source | 508,000,000Source | 633,000,000Source |
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate EffectUSD | — | — | — | — | — | — | -441,000,000Source | -56,000,000Source | 475,000,000Source | 18,000,000Source | 39,000,000Source | -16,000,000Source |
| Supplemental disclosure of cash flow information: | ||||||||||||
| Interest Paid, Excluding Capitalized Interest, Operating ActivitiesUSD | — | — | — | — | — | — | 126,000,000Source | 139,000,000Source | 500,000,000Source | 434,000,000Source | 378,000,000Source | 311,000,000Source |
| Income Taxes Paid, NetUSD | — | — | — | — | — | — | -90,000,000Source | 0Source | -266,000,000Source | -197,000,000Source | -88,000,000Source | 6,000,000Source |
| Additional Financial Items | ||||||||||||
| Share-based Payment Arrangement, ExpenseUSD | — | — | 6,000,000Source | 3,000,000Source | 3,000,000Source | 3,000,000Source | 6,000,000Source | 4,000,000Source | 22,000,000Source | 12,000,000Source | 12,000,000Source | 13,000,000Source |
| Asset Retirement Obligation, Accretion ExpenseUSD | — | — | — | — | — | — | — | — | 31,000,000Source | 19,000,000Source | 8,000,000Source | 8,000,000Source |
| Income (Loss) from Equity Method InvestmentsUSD | — | — | 18,000,000Source | 14,000,000Source | 10,000,000Source | 15,000,000Source | 22,000,000Source | 13,000,000Source | 60,000,000Source | 61,000,000Source | 61,000,000Source | 51,000,000Source |
| Income Tax Expense (Benefit)USD | — | — | -18,000,000Source | -62,000,000Source | -43,000,000Source | -33,000,000Source | -61,000,000Source | -47,000,000Source | -149,000,000Source | -114,000,000Source | 4,000,000Source | 22,000,000Source |
| InterestExpenseNonoperatingUSD | — | — | 128,000,000Source | 114,000,000Source | 124,000,000Source | 108,000,000Source | 142,000,000Source | 119,000,000Source | 512,000,000Source | 449,000,000Source | — | — |
| Net Income (Loss) Attributable to ParentUSD | — | — | — | — | — | — | 224,000,000Source | 213,000,000Source | 810,000,000Source | 690,000,000Source | 703,000,000Source | 686,000,000Source |
| Net Income (Loss) Available to Common Stockholders, BasicUSD | — | — | 281,000,000Source | 295,000,000Source | 174,000,000Source | 87,000,000Source | 224,000,000Source | 213,000,000Source | 810,000,000Source | 690,000,000Source | 703,000,000Source | 686,000,000Source |
| Nonoperating Income (Expense)USD | — | — | -86,000,000Source | -80,000,000Source | -92,000,000Source | -76,000,000Source | -86,000,000Source | -91,000,000Source | -364,000,000Source | -310,000,000Source | -236,000,000Source | -220,000,000Source |
| Other Nonoperating Income (Expense)USD | — | — | 0Source | 0Source | -1,000,000Source | -2,000,000Source | 4,000,000Source | -3,000,000Source | -1,000,000Source | 3,000,000Source | -3,000,000Source | -6,000,000Source |
| Proceeds from Issuance of Common StockUSD | — | — | 6,000,000Source | 6,000,000Source | 6,000,000Source | 6,000,000Source | 6,000,000Source | 6,000,000Source | 23,000,000Source | 23,000,000Source | 246,000,000Source | 25,000,000Source |
| Proceeds from Issuance of Long-term DebtUSD | — | — | — | — | — | — | — | 0Source | 2,470,000,000Source | 1,613,000,000Source | 1,455,000,000Source | 1,338,000,000Source |
| Proceeds from Noncontrolling InterestsUSD | — | — | — | — | — | — | — | — | — | — | — | 29,000,000Source |
| Net Income (Loss), Including Portion Attributable to Noncontrolling Interest | — | — | —Source | —Source | —Source | —Source | —Source | —Source | — | — | — | — |
income statement · annual statements
| Line item | Q4 2025 | Q4 2024 | Q3 2025 | Q3 2024 | Q2 2025 | Q2 2024 | Q1 2026 | Q1 2025 | FY 2025 | FY 2024 | FY 2023 | FY 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total RevenueUSD | — | — | 1,210,000,000Source | 1,081,000,000Source | 961,000,000Source | 894,000,000Source | 1,184,000,000Source | 1,128,000,000Source | 4,362,000,000Source | 3,981,000,000Source | 4,027,000,000Source | 4,205,000,000Source |
| Cost of RevenueUSD | — | — | 166,000,000Source | 165,000,000Source | 151,000,000Source | 147,000,000Source | 159,000,000Source | 158,000,000Source | 625,000,000Source | 613,000,000Source | 583,000,000Source | 573,000,000Source |
| Gross Profit (Calculated) · Derived | — | — | — | — | — | — | — | — | — | — | — | — |
| Operating Income (Loss)USD | — | — | 349,000,000Source | 313,000,000Source | 223,000,000Source | 130,000,000Source | 249,000,000Source | 257,000,000Source | 1,025,000,000Source | 886,000,000Source | 943,000,000Source | 928,000,000Source |
| Other Nonoperating Income (Expense)USD | — | — | 0Source | 0Source | -1,000,000Source | -2,000,000Source | 4,000,000Source | -3,000,000Source | -1,000,000Source | 3,000,000Source | -3,000,000Source | -6,000,000Source |
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling InterestUSD | — | — | 263,000,000Source | 233,000,000Source | 131,000,000Source | 54,000,000Source | 163,000,000Source | 166,000,000Source | 661,000,000Source | 576,000,000Source | 707,000,000Source | 708,000,000Source |
| Income Tax Expense (Benefit)USD | — | — | -18,000,000Source | -62,000,000Source | -43,000,000Source | -33,000,000Source | -61,000,000Source | -47,000,000Source | -149,000,000Source | -114,000,000Source | 4,000,000Source | 22,000,000Source |
| Net Income (Loss) Attributable to ParentUSD | — | — | — | — | — | — | 224,000,000Source | 213,000,000Source | 810,000,000Source | 690,000,000Source | 703,000,000Source | 686,000,000Source |
| Earnings Per Share, BasicUSD per share | — | — | 1.09Source | 1.15Source | 0.68Source | 0.34Source | 0.87Source | 0.83Source | 3.15Source | 2.69Source | 2.78Source | 2.73Source |
| Earnings Per Share, DilutedUSD per share | — | — | 1.09Source | 1.15Source | 0.68Source | 0.34Source | 0.87Source | 0.83Source | 3.14Source | 2.69Source | 2.78Source | 2.73Source |
| Weighted Average Number of Shares Outstanding, Basicshares | — | — | 257,000,000Source | 256,600,000Source | 256,900,000Source | 256,400,000Source | 257,400,000Source | 256,800,000Source | 257,000,000Source | 256,500,000Source | 253,000,000Source | 250,900,000Source |
| Weighted Average Number of Shares Outstanding, Dilutedshares | — | — | 257,800,000Source | 256,900,000Source | 257,300,000Source | 256,700,000Source | 258,800,000Source | 257,200,000Source | 257,800,000Source | 256,800,000Source | 253,300,000Source | 251,200,000Source |
| Interest Expense (non-operating)USD | — | — | 128,000,000Source | 114,000,000Source | 124,000,000Source | 108,000,000Source | 142,000,000Source | 119,000,000Source | 512,000,000Source | 449,000,000Source | — | — |
| Additional Financial Items | ||||||||||||
| Costs and ExpensesUSD | — | — | 861,000,000Source | 768,000,000Source | 738,000,000Source | 764,000,000Source | 935,000,000Source | 871,000,000Source | 3,337,000,000Source | 3,095,000,000Source | 3,084,000,000Source | 3,277,000,000Source |
| Depreciation, Depletion and Amortization, NonproductionUSD | — | — | — | 195,000,000Source | — | 188,000,000Source | — | — | — | — | 676,000,000Source | 671,000,000Source |
| Income (Loss) from Equity Method InvestmentsUSD | — | — | 18,000,000Source | 14,000,000Source | 10,000,000Source | 15,000,000Source | 22,000,000Source | 13,000,000Source | 60,000,000Source | 61,000,000Source | 61,000,000Source | 51,000,000Source |
| Interest ExpenseUSD | — | — | 128,000,000Source | 114,000,000Source | 124,000,000Source | 108,000,000Source | 142,000,000Source | 119,000,000Source | 512,000,000Source | 449,000,000Source | 394,000,000Source | 325,000,000Source |
| Net Income (Loss) Available to Common Stockholders, BasicUSD | — | — | 281,000,000Source | 295,000,000Source | 174,000,000Source | 87,000,000Source | 224,000,000Source | 213,000,000Source | 810,000,000Source | 690,000,000Source | 703,000,000Source | 686,000,000Source |
| Nonoperating Income (Expense)USD | — | — | -86,000,000Source | -80,000,000Source | -92,000,000Source | -76,000,000Source | -86,000,000Source | -91,000,000Source | -364,000,000Source | -310,000,000Source | -236,000,000Source | -220,000,000Source |
| Other Cost and Expense, OperatingUSD | — | — | 204,000,000Source | 174,000,000Source | 168,000,000Source | 177,000,000Source | 180,000,000Source | 160,000,000Source | 740,000,000Source | 676,000,000Source | 675,000,000Source | 704,000,000Source |
| Taxes, MiscellaneousUSD | — | — | 29,000,000Source | 29,000,000Source | 31,000,000Source | 29,000,000Source | 32,000,000Source | 30,000,000Source | 121,000,000Source | 122,000,000Source | 115,000,000Source | 110,000,000Source |
| Utilities Operating Expense, Gas and Petroleum PurchasedUSD | — | — | 12,000,000Source | 13,000,000Source | 30,000,000Source | 25,000,000Source | 173,000,000Source | 137,000,000Source | 263,000,000Source | 224,000,000Source | 299,000,000Source | 389,000,000Source |
| Common Stock, Dividends, Per Share, Declared | — | — | —Source | —Source | —Source | —Source | —Source | —Source | — | — | — | — |
Filing attachments
lnt102920268-kex991.htm · 8-K · 2026-10-30
Exhibit 99.1 Alliant Energy Corporation Corporate Headquarters 4902 North Biltmore Lane Madison, WI 53718-2148 www.alliantenergy.com News Release FOR IMMEDIATE RELEASE ALLIANT ENERGY ANNOUNCES THIRD QUARTER 2026 RESULTS AND 2027 GUIDANCE • Third quarter GAAP earnings per share were $1.52 in 2026, compared to $1.09 in 2025 • Narrowed 2026 ongoing earnings guidance to $3.41 - $3.46 per share, the top half of the original guidance range • Announced 2027 earnings guidance range of…
Read attachment ↗d440334dex41.htm · 8-K · 2026-08-21
EX-4.1 3 d440334dex41.htm EX-4.1 EX-4.1 Exhibit 4.1 INTERSTATE POWER AND LIGHT COMPANY OFFICER’S CERTIFICATE Dated as of August 21, 2026 Setting Forth Terms of a Series of Debt Securities 5.100% Senior Debentures due 2031 Pursuant to the Indenture Dated as of August 20, 2003 OFFICER’S CERTIFICATE The undersigned, the Treasurer of Interstate Power and Light Company, an Iowa corporation (the “Company”), hereby certifies as provided below pursuant to Section 301 of the Indenture, date…
Read attachment ↗d440334dex991.htm · 8-K · 2026-08-21
EX-99.1 6 d440334dex991.htm EX-99.1 EX-99.1 Exhibit 99.1 Interstate Power and Light Company An Alliant Energy Company Corporate Headquarters 4902 North Biltmore Lane Madison, WI 53718-2148 News Release ────────────────────────────────────────────────────────────────────────────── FOR IMMEDIATE RELEASE Media Hotline: (608) 458-4040 Investor Relations: Susan Gille: (608) 458-3956 Interstate Power and Light Company Prices Debt Offering …
Read attachment ↗lnt073020268-kex991.htm · 8-K · 2026-07-31
EX-99.1 2 lnt073020268-kex991.htm EX-99.1 Document Exhibit 99.1 Alliant Energy Corporation Corporate Headquarters 4902 North Biltmore Lane Madison, WI 53718-2148 www.alliantenergy.com News Release FOR IMMEDIATE RELEASE ALLIANT ENERGY ANNOUNCES SECOND QUARTER 2026 RESULTS • Second quarter GAAP earnings per share were $0.65 in 2026, compared to $0.68 in 2025 • Reaffirming 2026 ongoing earnings guidance range of $3.36 - $3.46 per share, currently trending in upper half of ran…
Read attachment ↗lnt043020268-kex991.htm · 8-K · 2026-05-01
EX-99.1 2 lnt043020268-kex991.htm EX-99.1 Document Exhibit 99.1 Alliant Energy Corporation Corporate Headquarters 4902 North Biltmore Lane Madison, WI 53718-2148 www.alliantenergy.com News Release FOR IMMEDIATE RELEASE ALLIANT ENERGY ANNOUNCES FIRST QUARTER 2026 RESULTS • First quarter GAAP earnings per share were $0.87 in 2026, compared to $0.83 in 2025 • First quarter ongoing earnings per share were $0.82 in 2026, compared to $0.83 in 2025 • Reaffirming 2026 ongoing ear…
Read attachment ↗lnt092320258-kex41.htm · 8-K · 2025-09-26
EX-4.1 3 lnt092320258-kex41.htm EX-4.1 Document Exhibit 4.1 Execution Version ALLIANT ENERGY CORPORATION AND THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as Trustee INDENTURE (For Subordinated Debt Securities) Dated as of September 26, 2025 Reconciliation and tie between the Trust Indenture Act of 1939 and Indenture, dated as of September 26, 2025 * Trust Indenture Act Section Indenture Section Section 310 (a)(1) Section 6.09 (a)(2) …
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