Part I. Financial Information [Item 1. Condensed Consolidated Financial Statements (Unaudited)](index=6&type=section&id=Item%201.%20Condensed%20Consolidated%20Financial%20Statements%20(Unaudited)) This section presents the unaudited Q3 2024 condensed consolidated financial statements for Alliant Energy and its subsidiaries [Alliant Energy Corporation Financial Statements](index=6&type=section&id=Alliant%20Energy%20Corporation) Alliant Energy Q3 & YTD 2024 Financial Performance (in millions, except EPS) | Metric | Q3 2024 | Q3 2023 | YTD 2024 | YTD 2023 | | :--- | :--- | :--- | :--- | :--- | | **Total Revenues** | $1,081 | $1,077 | $3,005 | $3,066 | | **Operating Income** | $313 | $322 | $665 | $760 | | **Net Income** | $295 | $259 | $540 | $582 | | **Diluted EPS** | $1.15 | $1.02 | $2.10 | $2.31 | Alliant Energy Balance Sheet Summary (in millions) | Account | Sep 30, 2024 | Dec 31, 2023 | | :--- | :--- | :--- | | **Total Assets** | $22,829 | $21,237 | | Property, Plant & Equipment, net | $17,936 | $17,157 | | **Total Liabilities** | $15,861 | $14,460 | | Long-term Debt, net | $9,245 | $8,225 | | **Total Equity** | $6,968 | $6,777 | Alliant Energy YTD 2024 Cash Flow Summary (in millions) | Cash Flow Category | YTD 2024 | YTD 2023 | | :--- | :--- | :--- | | **Net Cash from Operating Activities** | $913 | $622 | | **Net Cash used for Investing Activities** | ($940) | ($952) | | **Net Cash from Financing Activities** | $794 | $515 | | **Net Increase in Cash** | $767 | $185 | [Interstate Power and Light Company (IPL) Financial Statements](index=9&type=section&id=Interstate%20Power%20and%20Light%20Company) IPL Q3 & YTD 2024 Financial Performance (in millions) | Metric | Q3 2024 | Q3 2023 | YTD 2024 | YTD 2023 | | :--- | :--- | :--- | :--- | :--- | | **Total Revenues** | $561 | $594 | $1,527 | $1,630 | | **Operating Income** | $149 | $173 | $250 | $379 | | **Net Income** | $190 | $170 | $272 | $331 | - IPL's YTD operating income decreased significantly, partly due to a **$60 million asset valuation charge** for the Lansing Generating Station[16](index=16&type=chunk) IPL YTD 2024 Cash Flow Summary (in millions) | Cash Flow Category | YTD 2024 | YTD 2023 | | :--- | :--- | :--- | | **Net Cash from Operating Activities** | $231 | $191 | | **Net Cash used for Investing Activities** | ($332) | ($177) | | **Net Cash from Financing Activities** | $804 | $159 | | **Net Increase in Cash** | $703 | $173 | [Wisconsin Power and Light Company (WPL) Financial Statements](index=12&type=section&id=Wisconsin%20Power%20and%20Light%20Company) WPL Q3 & YTD 2024 Financial Performance (in millions) | Metric | Q3 2024 | Q3 2023 | YTD 2024 | YTD 2023 | | :--- | :--- | :--- | :--- | :--- | | **Total Revenues** | $499 | $461 | $1,410 | $1,370 | | **Operating Income** | $156 | $142 | $387 | $363 | | **Net Income** | $114 | $107 | $270 | $267 | WPL YTD 2024 Cash Flow Summary (in millions) | Cash Flow Category | YTD 2024 | YTD 2023 | | :--- | :--- | :--- | | **Net Cash from Operating Activities** | $651 | $437 | | **Net Cash used for Investing Activities** | ($464) | ($680) | | **Net Cash from (used for) Financing Activities** | ($125) | $254 | | **Net Increase in Cash** | $62 | $11 | [Combined Notes to Condensed Consolidated Financial Statements](index=15&type=section&id=Combined%20Notes%20to%20Condensed%20Consolidated%20Financial%20Statements) - In September 2024, the IUC approved IPL's retail electric rate review, authorizing a **$185 million annual base rate increase** effective October 1, 2024[40](index=40&type=chunk) - A pre-tax non-cash charge of **$60 million** was recorded for IPL's Lansing Generating Station as a settlement agreement disallowed a return on the retired asset[37](index=37&type=chunk) - WPL expects construction costs for its 1,100 MW of new solar generation to exceed approved estimates by approximately **$195 million**[41](index=41&type=chunk) - Due to the enactment of the revised CCR Rule, the company recorded significant additional Asset Retirement Obligations, increasing the balance from **$246 million to $608 million** for Alliant Energy[68](index=68&type=chunk) [Management's Discussion and Analysis of Financial Condition and Results of Operations (MD&A)](index=31&type=section&id=Item%202.%20Management's%20Discussion%20and%20Analysis%20of%20Financial%20Condition%20and%20Results%20of%20Operations) Management analyzes 2024 financial performance, operational highlights, liquidity, and capital resource allocation - Alliant Energy's consolidated EPS for Q3 2024 was **$1.15**, up from **$1.02** in Q3 2023, driven by WPL's capital investments and favorable tax timing[112](index=112&type=chunk) - Key 2024 activities include completing solar facilities, planning a coal-to-gas plant conversion, and securing a **$185 million rate increase** for IPL[103](index=103&type=chunk)[104](index=104&type=chunk) - The company is pursuing significant customer growth, having entered into electric service agreements with **two new data center customers** in Iowa[106](index=106&type=chunk) - In Q4 2024, Alliant Energy expects to record pre-tax restructuring charges of **$25 million to $30 million** related to a voluntary separation package[127](index=127&type=chunk) [Results of Operations](index=34&type=section&id=Results%20of%20Operations) Change in Net Income (YTD 2024 vs YTD 2023, in millions) | Entity | Change in Net Income | | :--- | :--- | | **Alliant Energy** | ($42) | | **IPL** | ($59) | | **WPL** | $3 | - IPL's YTD net income decreased by **$59 million**, driven by a **$60 million asset valuation charge** for the Lansing Generating Station[116](index=116&type=chunk) - WPL's electric utility revenues increased by **$69 million YTD**, primarily due to higher revenue requirements from capital investments[116](index=116&type=chunk)[121](index=121&type=chunk) - Future results will be impacted by a growing rate base, a lower effective tax rate from renewable tax credits, and cost savings from restructuring[127](index=127&type=chunk) [Liquidity and Capital Resources](index=39&type=section&id=Liquidity%20and%20Capital%20Resources) - As of September 30, 2024, Alliant Energy had a strong liquidity position with **$827 million in cash** and **$670 million of available credit**[129](index=129&type=chunk) Projected Construction and Acquisition Expenditures (2024-2028, in millions) | Entity | 2024 | 2025 | 2026 | 2027 | 2028 | | :--- | :--- | :--- | :--- | :--- | :--- | | **Alliant Energy** | $2,025 | $2,205 | $2,680 | $3,020 | $2,960 | | **IPL** | $1,190 | $1,055 | $1,135 | $1,365 | $1,300 | | **WPL** | $690 | $955 | $1,370 | $1,530 | $1,490 | - Expenditures are focused on transitioning to cleaner energy, adding generation capacity, and strengthening grid resiliency[133](index=133&type=chunk) - In March 2024, Standard & Poor's changed Alliant Energy's and IPL's outlooks from **stable to negative**, though this is not expected to materially impact liquidity[137](index=137&type=chunk) [Quantitative and Qualitative Disclosures About Market Risk](index=43&type=section&id=Item%203.%20Quantitative%20and%20Qualitative%20Disclosures%20About%20Market%20Risk) The company reports no material changes to its market risk disclosures from the 2023 Form 10-K - The disclosures regarding market risk as reported in the 2023 Form 10-K have not materially changed[145](index=145&type=chunk) [Controls and Procedures](index=44&type=section&id=Item%204.%20Controls%20and%20Procedures) Management concluded that disclosure controls and internal controls over financial reporting were effective as of the quarter's end - Management concluded that the disclosure controls and procedures for Alliant Energy, IPL, and WPL were **effective** as of September 30, 2024[146](index=146&type=chunk) - There were **no material changes** in internal control over financial reporting during the quarter[147](index=147&type=chunk) Part II. Other Information [Legal Proceedings](index=44&type=section&id=Item%201.%20Legal%20Proceedings) The company reports no new material legal or environmental proceedings for the period - There are **no legal proceedings** to report for the period[148](index=148&type=chunk) [Risk Factors](index=44&type=section&id=Item%201A.%20Risk%20Factors) There have been no material changes to the risk factors previously disclosed in the 2023 Form 10-K - The risk factors described in the 2023 Form 10-K have **not changed materially**[149](index=149&type=chunk) [Unregistered Sales of Equity Securities and Use of Proceeds](index=44&type=section&id=Item%202.%20Unregistered%20Sales%20of%20Equity%20Securities%20and%20Use%20of%20Proceeds) The company details the repurchase of its common stock during the third quarter of 2024 Alliant Energy Common Stock Repurchases (Q3 2024) | Metric | Value | | :--- | :--- | | **Total Shares Purchased** | 10,300 | | **Average Price Paid Per Share** | $54.81 | - All repurchased shares were acquired on the open market and are held in a rabbi trust for the company's Deferred Compensation Plan[150](index=150&type=chunk) [Exhibits](index=45&type=section&id=Item%206.%20Exhibits) This section lists all exhibits filed with the Form 10-Q, including certifications and debt issuance documents - The exhibits include CEO and CFO certifications and documents related to IPL's September 2024 issuance of **Senior Debentures due 2034 and 2054**[153](index=153&type=chunk)

Alliant Energy (LNT) came out with quarterly earnings of $1.15 per share, beating the Zacks Consensus Estimate of $1.11 per share. This compares to earnings of $1.05 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 3.60%. A quarter ago, it was expected that this electric and gas utility parent company would post earnings of $0.71 per share when it actually produced earnings of $0.57, delivering a surprise of -19.72%.Over the la ...

Alliant Energy (LNT) is expected to deliver a year-over-year increase in earnings on higher revenues when it reports results for the quarter ended September 2024. This widely-known consensus outlook gives a good sense of the company's earnings picture, but how the actual results compare to these estimates is a powerful factor that could impact its near-term stock price.The earnings report, which is expected to be released on October 31, 2024, might help the stock move higher if these key numbers are better ...

A view of electric power lines at sunset. James O'Neil In my nearly six years on Seeking Alpha, I have underscored the following assertion many times: Successful investing is as easy as buying quality businesses at a price below fair value and simply holding for the long haul. Time after time, this is proven to be true. It doesn't always take that long to see the fruits of a wise investment decision, either. Buying a great business while it's out of favor and waiting for a turnaround in sentiment is all tha ...

Core Viewpoint - Alliant Energy Corporation reported disappointing second-quarter 2024 results, with operating earnings and revenues falling short of expectations and declining year-over-year Financial Performance - Operating earnings for Q2 2024 were 57 cents per share, missing the Zacks Consensus Estimate of 71 cents by 19.7% and down 10.9% from 64 cents per share in the same quarter last year [1] - Revenues totaled $0.89 billion, missing the Zacks Consensus Estimate of $1.09 billion by 18.08% and decreased 1.9% from $0.91 billion in the year-ago quarter [2] Operational Highlights - Total operating expenses increased to $764 million, up 9.9% from $695 million in the prior year, driven by higher electric transmission service expenses and increased depreciation and amortization [3] - Operating income fell to $130 million, down 40% from the previous year's figure [3] - Interest expenses rose to $108 million, a 12.5% increase compared to the prior-year period [3] Customer and Sales Metrics - Retail electric customers increased by 0.8% and retail gas customers by 0.6% year-over-year [4] - Total utility electric sales were 7,702 thousand megawatt-hours (MWh), down 0.9% from the previous year [4] - Total utility gas sold and transported was 34,832 thousand dekatherms, up 8.6% year-over-year [4] Financial Update - Cash and cash equivalents stood at $92 million as of June 30, 2024, compared to $62 million as of December 31, 2023 [5] - Long-term debt (excluding the current portion) increased to $8.9 billion as of June 30, 2024, from $8.2 billion at the end of 2023 [5] - Cash flow from operating activities for the first half of 2024 was $562 million, compared to $311 million in the same period last year [5] 2024 Guidance - Alliant Energy reaffirmed its 2024 earnings guidance in the range of $2.99-$3.13 per share, considering average temperature, cost controls, and a consolidated effective tax rate of 10% [6] - The Zacks Consensus Estimate for earnings is $3.08 per share, which is higher than the midpoint of the company's guided range [6] Zacks Rank - Alliant Energy currently holds a Zacks Rank 2 (Buy) [7]

Alliant Energy (LNT) came out with quarterly earnings of $0.57 per share, missing the Zacks Consensus Estimate of $0.71 per share. This compares to earnings of $0.64 per share a year ago. These figures are adjusted for non-recurring items. This quarterly report represents an earnings surprise of -19.72%. A quarter ago, it was expected that this electric and gas utility parent company would post earnings of $0.66 per share when it actually produced earnings of $0.62, delivering a surprise of -6.06%. Over the ...

Core Viewpoint - Alliant Energy (LNT) has been upgraded to a Zacks Rank 2 (Buy), indicating a positive outlook on its earnings estimates and potential stock price increase [1][2][15] Earnings Estimates - Analysts have raised their earnings estimates for Alliant Energy, with the Zacks Consensus Estimate increasing by 0.2% over the past three months [5] - For the fiscal year ending December 2024, Alliant Energy is expected to earn $3.08 per share, reflecting a 9.2% increase from the previous year [9] Zacks Rating System - The Zacks Rank system classifies stocks based on earnings estimates, with only the top 20% of stocks receiving a 'Strong Buy' or 'Buy' rating, indicating superior earnings estimate revisions [10][15] - The Zacks rating system has a strong track record, with Zacks Rank 1 stocks generating an average annual return of +25% since 1988 [4] Market Implications - The upgrade in Zacks Rank suggests that Alliant Energy's improving business trend could lead to higher stock prices as investors respond positively [3][15] - There is a strong correlation between earnings estimate revisions and near-term stock price movements, influenced by institutional investors [7][8]

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Name of Registrant, State of Incorporation, Address of Principal Executive Offices, Telephone Number, Commission File Number, IRS Employer Identific ...

Cautionary Statements 2024 Q1 Earnings Call Alliant Energy: Proven Success Unlocking Growth, Reliability & Customer Value | --- | --- | --- | --- | |-------|----------------------------------------------------------|-------|-------------------------------------------------------------| | | Strong Balance Sheet No material new equity \nrequired | | Over 3 GW of renewable resources | | | | | | | | Top tier reliability 27% of distribution is underground | | Strong economic development program to attract custom ...

Exhibit 99.1 Alliant Energy Corporation Corporate Headquarters 4902 North Biltmore Lane Madison, WI 53718-2148 www.alliantenergy.com News Release FOR IMMEDIATE RELEASE Media Hotline: (608) 458-4040 Investor Relations: Susan Gille (608) 458-3956 ALLIANT ENERGY ANNOUNCES FIRST QUARTER 2024 RESULTS MADISON, Wis. - May 2, 2024 - Alliant Energy Corporation (NASDAQ: LNT) today announced U.S. generally accepted accounting principles (GAAP) consolidated unaudited earnings per share (EPS) for the three months ended ...