Company: TSLTF
Filing Date: 2025-12-12
Form Type: SUPPL
Source: 0001193125-25-317786
Chunk: 167

Company: TRANSALTA CORP
Filing Date: 2025-12-12
Form: SUPPL
Chunk 167
---
field, the Investment Agreement entitles Brookfield to nominate two directors to the TransAlta Board. This allows Brookfield to participate in the financial and operating policy decisions of the Company, and as such, they are considered associates of the Company. In addition to the exchangeable securities disclosed in Note 26, the Company may, in the normal course of operations, enter into transactions on market terms with associates that have been measured at exchange value and recognized in the Consolidated Financial Statements, including power purchase and sale agreements, derivative contracts and asset management fees. Transactions and balances between the Company and associates do not eliminate. Transactions with Brookfield include the following:

| Year ended Dec. 31         |     | 2024 |    |     | 2023 |     |     | 2022 |     |
|:---------------------------|:----|:-----|---:|:----|:-----|----:|:----|:-----|----:|
| Power sales                |     |      | 58 |     |      | 135 |     |      | 127 |
| Purchased power            |     |      |  4 |     |      |   2 |     |      |  12 |
| Asset management fees paid |     |      |  — |     |      |   1 |     |      |   2 |

| F99 |     | TransAlta Corporation |     | 2024 Integrated Report |

Notes to the Consolidated Financial Statements 37. Commitments and Contingencies In addition to the commitments disclosed elsewhere in the financial statements, the Company has incurred the following contractual commitments, either directly or through its interests in joint operations and joint ventures. Approximate future payments under these agreements are as follows:

|                                                 |     | 2025 |     |     | 2026 |     |     | 2027 |     |     | 2028 |     |     | 2029 |    |     | 2030       
 and        
 thereafter |     |     | Total |       |
| Natural gas, transportation and other contracts |     |      |  75 |     |      |  68 |     |      |  65 |     |      |  66 |     |      | 64 |     |            | 425 |     |       |   763 |
| Transmission                                    |     |      |  23 |     |      |  23 |     |      |  21