Auditor Firm ID

[Table of Contents](#i0c857804d60248b2bbe1d8282b20bbb1_7)PART IV  
ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES  
(1)Consolidated Financial Statements - Refer to [Item 8](#i0c857804d60248b2bbe1d8282b20bbb1_130) Financial Statements and Supplementary Data for Alliant Energy’s, IPL’s and WPL’s financial statements and Reports of Independent Registered Public Accounting Firm (Public Company Accounting Oversight Board ID No. 34).  
(2)Financial Statement Schedules -  
SCHEDULE I - CONDENSED PARENT COMPANY FINANCIAL STATEMENTS

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| ALLIANT ENERGY CORPORATION (Parent Company Only) | Year Ended December 31, |
| CONDENSED STATEMENTS OF INCOME | 2021 |  | 2020 |  | 2019 |
|  | (in millions) |
|  |  |  |  |  |  |
| Operating expenses | $5  |  |  | $7  |  |  | $2  |  |
| Operating loss | (5) |  |  | (7) |  |  | (2) |  |
| Other (income) and deductions: |  |  |  |  |  |
| Equity earnings from consolidated subsidiaries | (664) |  |  | (625) |  |  | (562) |  |
| Interest expense | 1  |  |  | 2  |  |  | 9  |  |
| Other | 1  |  |  | 4  |  |  | 7  |  |
| Total other (income) and deductions | (662) |  |  | (619) |  |  | (546) |  |
| Income before income taxes | 657  |  |  | 612  |  |  | 544  |  |
| Income tax benefit | (5) |  |  | (4) |  |  | (15) |  |
| Net income | $662  |  |  | $616  |  |  | $559  |  |

Refer to accompanying Notes to Condensed Financial Statements.  


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| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
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| ALLIANT ENERGY CORPORATION (Parent Company Only) | December 31, |
| CONDENSED BALANCE SHEETS | 2021 |  | 2020 |
|  | (in millions) |
| ASSETS |  |  |  |
| Current assets: |  |  |  |
| Notes receivable from affiliated companies | $16  |  |  | $32  |  |
| Other | 5  |  |  | 5  |  |
| Total current assets | 21  |  |  | 37  |  |
| Investments: |  |  |  |
| Investments in consolidated subsidiaries | 7,061  |  |  | 6,664  |  |
| Other | 2  |  |  | 2  |  |
| Total investments | 7,063  |  |  | 6,666  |  |
| Other assets | 96  |  |  | 88  |  |
| Total assets | $7,180  |  |  | $6,791  |  |



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| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|  |  |  |  |  |  |  |  |  |  |  |  |
| LIABILITIES AND EQUITY |  |  |  |
| Current liabilities: |  |  |  |
| Commercial paper | $279  |  |  | $132  |  |
| Notes payable to affiliated companies | 900  |  |  | 937  |  |
| Other | 4  |  |  | 29  |  |
| Total current liabilities | 1,183  |  |  | 1,098  |  |
|  |  |  |  |
| Other liabilities | 2  |  |  | 2  |  |
| Common equity: |  |  |  |
| Common stock and additional paid-in capital | 2,752  |  |  | 2,706  |  |
| Retained earnings | 3,255  |  |  | 2,996  |  |
|  |  |  |  |
| Shares in deferred compensation trust | (12) |  |  | (11) |  |
| Total common equity | 5,995  |  |  | 5,691  |  |
| Total liabilities and equity | $7,180  |  |  | $6,791  |  |

Refer to accompanying Notes to Condensed Financial Statements.  


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