Alliant Energy Corporation (NASDAQ:LNT) Q1 2022 Earnings Conference Call April 29, 2022 10:00 AM ET Company Participants Zach Fields - Lead Investor Relations Analyst John Larsen - Chair, President and CEO Robert Durian - EVP and CFO Conference Call Participants Julien Dumoulin-Smith - Bank of America Michael Sullivan - Wolfe Research Andrew Weisel - Scotiabank Andrew Levi - HITE Hedge Asset Management LLC Ross Fowler - UBS Operator Good morning, and welcome to the Alliant Energy's Conference Call for First ...

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, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to https://reportify- 1252068037.cos.ap- beijing.myqcloud.com/m Name of Registrant, State of Incorporation, Address of Principal Executive Offices, Tel ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 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 Identification ...

Alliant Energy Corporation (NASDAQ:LNT) Q4 2021 Earnings Conference Call February 18, 2022 10:00 AM ET Company Participants Zach Fields - Lead Investor Relations Analyst John Larsen - Chair, President, and Chief Executive Officer Robert Durian - Executive Vice President, and Chief Financial Officer Conference Call Participants Dariusz Lozny - Bank of America Peter Bourdon - Mizuho Andrew Weisel - Scotiabank Michael Sullivan - Wolfe Research Ross Fowler - UBS Operator Good morning, and welcome to Alliant Ene ...

Alliant Energy Corporation 2021 Year End Earnings Call February 18, 2022 Cautionary Statements Forward-looking Statements The information regarding forecasted earnings per share, forecasted capital expenditures, forecasted effective income tax rates, forecasted financing plans and regulatory plans contain forward-looking statements. Actual results could differ materially because the realization of those results is subject to many uncertainties, including: the state of the economy in the service territories ...

the & dist Alliant Energy Corporation Supplemental Information – November 5, 2021 Earnings Call 1 Alliant Energy Corporation Supplemental Information – November 5, 2021 Earnings Call Forward-Looking Statements These slides contain forward-looking statements, including 2021 and 2022 earnings guidance, terms of the WPL rate review settlement, details of our IPL advance ratemaking filing, information regarding forecasted effective income tax rates and other regulatory plans. Actual results could differ materia ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 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 Identification Number ALLIANT ENERGY CORPORATION (a Wisconsin Corporation) 4902 N. Biltmore Lane Madison, Wisconsin 53718 Telephone (608) 458-3311 Commissi ...

Summary of Alliant Energy Corporation Q3 2021 Earnings Conference Call Company Overview - **Company**: Alliant Energy Corporation (NASDAQ:LNT) - **Date of Call**: November 6, 2021 - **Participants**: - John Larsen – Chair, President and CEO - Robert Durian – Executive Vice President and CFO - Zach Fields – Lead Investor Relations Analyst Key Financial Highlights - **2021 Earnings Guidance**: Increased to a range of $2.61 to $2.67 per share, indicating a 12th consecutive year of 5% or greater earnings growth [6] - **2022 Earnings Guidance**: Projected range of $2.65 to $2.79 per share, reflecting anticipated growth of 5% to 7% [6] - **Dividend Increase**: Board approved a 6% increase in the annual common stock dividend to $1.71 per share [7] - **Q3 2021 GAAP Earnings**: Reported at $1.02 per share, up from $0.98 per share in Q3 2020, driven by higher revenue requirements and temperature-normalized sales [14] Operational Highlights - **Temperature Normalized Sales**: Retail electric sales increased by 4.1% year-over-year, attributed to pandemic recovery and minimal storm activity [15] - **Capital Expenditures**: Planned capital expenditures of approximately $7 billion from 2021 to 2025, averaging $1.4 billion per year, focused on cleaner energy and grid reliability [16][17] - **Solar Projects**: Commitment to add 1,500 megawatts of solar energy, with several projects underway in Wisconsin and Iowa [10][18] Environmental, Social, and Governance (ESG) Initiatives - **Tree Planting Commitment**: Plan to plant over 1 million trees over the next decade to support environmental efforts [9] - **Community Support**: $4 million commitment to the Hometown Care Energy Fund to assist customers with energy bills amid rising natural gas costs [11] - **Hunger Relief**: 15th Annual Drive Out Hunger event raised over $400,000, providing over 17 million meals to families in need [12] Challenges and Strategic Focus - **Cost Management**: Focus on controlling operational and maintenance costs to keep rates affordable for customers amid rising fuel prices [21] - **Supply Chain Issues**: Acknowledgment of inflation and supply chain uncertainties impacting capital expenditures, particularly for solar projects [26][17] - **Tax Considerations**: Estimated effective tax rate of -13% for 2021 and +6% for 2022, with expectations of being exempt from minimum tax provisions [20][38] Future Outlook - **Long-term CapEx Plans**: Anticipated $7 to $9 billion in capital expenditures for the following five years, focusing on cleaner energy sources and grid reliability [41] - **Regulatory Initiatives**: Ongoing regulatory filings for solar and storage projects, with decisions expected in 2022 [23][24] Conclusion - Alliant Energy is positioned for continued growth with a strong focus on clean energy initiatives, community support, and maintaining financial stability amid market challenges. The company remains committed to delivering consistent returns to investors while enhancing its operational capabilities and environmental stewardship.

Alliant Energy Corporation (NASDAQ:LNT) Q2 2021 Earnings Conference Call August 6, 2021 10:00 AM ET Company Participants Zach Fields - Lead Investor Relations Analyst John Larsen - Chair, President and CEO Robert Durian - Executive Vice President and CFO Conference Call Participants Michael Sullivan - Wolfe Research Operator Good morning. And welcome to Alliant Energy’s Conference Call for Second Quarter 2021 Results. This call is being recorded for rebroadcast. At this time, all lines are in listen-only mo ...

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 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 June 30, 2021 or Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION For the transition period from to Name of Registrant, State of Incorporation, Address of Principal Executive Offices, Telephone Number, Commission File Number, IRS Employer Identifica ...