Alliant Energy Corporation

2022 Year End Earnings Call February 24, 2023

Cautionary Statements

Forward-looking Statements

The information regarding forecasted earnings per share, 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 of IPL and WPL; state and federal legislation and regulatory actions; weather; and other factors discussed in more detail in Alliant Energy Corporation's earnings release dated February 23, 2023, and in Alliant Energy's SEC filings. Alliant Energy cannot provide any assurance that the assumptions used in the forward-looking statements or otherwise are accurate or will prove to be correct. All forward-looking statements included in this presentation are based upon information presently available, and Alliant Energy assumes no obligation to update any forward-looking statements.

Non-GAAP Financial Measures

This presentation contains non-GAAP financial measures. The reconciliations between the non-GAAP and GAAP measures are provided in this presentation. Adjusted EPS, the term utilized throughout this presentation, refers to Non-GAAP temperature normalized diluted earnings per share.

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2022 Year End Earnings Call

2022 Accomplishments

  • Consistency Delivered
    • Delivered 5-7% growth for the 13th consecutive year
    • Dividend growth for the 20th consecutive year
  • ESG Leadership
    • ESG ratings in the top quartile for utilities from MSCI & Sustainalytics
    • Advancing development of 1.5 GW of solar investments; Placed 250 MW of solar investments in service in 2022
  • Notable Accolades
    • On Human Rights Campaign Foundation's Best Place to work for LGBTQ+ Equality for 5th consecutive year
    • On Forbes list of America's Best Midsize Employers for 4th consecutive year
    • In Bloomberg Gender-Equality Index for 4th consecutive year
    • Named a top utility in economic development by Site Selection Magazine for 4th consecutive year

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2022 Year End Earnings Call

Consistent earnings growth

Delivered on 5-7% growth for the 13th consecutive year

Consistently meeting earnings guidance

2023: $2.82-$2.96 Guidance Range

2022: $2.73 Adjusted EPS

Consistently achieving 5-7% earnings and dividends growth

Adjusted EPS ~6% CAGR over the past 10 years Dividends ~6% CAGR, consistent 60-70% payout ratio

2014 2015 2016 2017 2018 2019 2020 2021 2022 2023E

Adjusted EPS

Dividends

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2022 Year End Earnings Call

Financial Highlights: 2022 Full Year Results

$2.73 GAAP EPS in line with guidance; $2.73 Adjusted EPS is 6% growth over 2021

GAAP Earnings Drivers:

  • Revenue requirements and higher AFUDC from WPL investments
  • Higher electric and gas margins
  • Higher financing expense
  • Higher depreciation expense

Adjusted EPS

2022 Adjusted EPS excludes temperature impacts and Non-GAAP adjustments:

- Temperature impacts of $0.07

  • Iowa state income tax rate change of $0.03
  • Retirement plan settlement charges of $0.02
  • ATC ROE reserve adjustments of $0.02

2021 Adjusted EPS excludes temperature impacts

- Temperature impacts of $0.05

GAAP EPS

$2.73

$2.63

2021 2022

Adjusted EPS

$2.73

$2.58

2021 2022

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2022 Year End Earnings Call

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Disclaimer

Alliant Energy Corporation published this content on 23 February 2023 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 24 February 2023 00:10:11 UTC.