Company: TSLTF
Filing Date: 2025-12-12
Form Type: SUPPL
Source: 0001193125-25-317786
Chunk: 122

Company: TRANSALTA CORP
Filing Date: 2025-12-12
Form: SUPPL
Chunk 122
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 — |     |       |   720 |
| Contingent consideration                                               |     |             |  — |     |             |   — |     |           |     — |     |             | 81 |     |           | — |     |       |    81 |
| Dividends payable                                                      |     |             |  — |     |             |   — |     |           |    49 |     |             |  — |     |           | — |     |       |    49 |
| Risk management liabilities                                            |     |             |    |     |             |     |     |           |       |     |             |    |     |           |   |     |       |       |
| Current                                                                |     |             |  — |     |             | 277 |     |           |     — |     |             |  — |     |           | — |     |       |   277 |
| Long-term                                                              |     |             |  — |     |             | 305 |     |           |     — |     |             |  — |     |           | — |     |       |   305 |
| Credit facilities, long-term debt and lease liabilities(6)             |     |             |  — |     |             |   — |     |           | 3,808 |     |             |  — |     |           | — |     |       | 3,808 |
| Exchangeable securities                                                |     |             |  — |     |             |   — |     |           |   750 |     |             |  — |     |           | — |     |       |   750 |

| (1) | Includes cash equivalents of nil. |

| (2) | Excludes income taxes receivable. |

| (3) | Included in other assets. Refer to Note 23. |

| (4) | Included in investments. Refer to Note 9. |

| (5) | Excludes the current portion of contract liabilities, current income taxes payable and liabilities 
 held for sale.                                                                                     |

| (6) | Includes current portion. |

| F47 |     | TransAlta Corporation |     | 2024 Integrated Report |

Notes to the Consolidated Financial Statements

| Carrying value as at Dec. 31, 2023                                     |     | Derivatives 
 used        
 for         
 hedging     |     |     | Deriv