Company: TSLTF
Filing Date: 2025-12-12
Form Type: SUPPL
Source: 0001193125-25-317786
Chunk: 214

Company: TRANSALTA CORP
Filing Date: 2025-12-12
Form: SUPPL
Chunk 214
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    942 |   |     |   |  16 |   |     |   |    942 |   |     |   |  17 |   |     |   |    942 |   |     |   |  18 |   |
| Contributed surplus, deficit and accumulated other comprehensive 
 loss                                                             |     |   | (2,375 | ) |     |   | (40 | ) |     |   | (2,690 | ) |     |   | (49 | ) |     |   | (2,695 | ) |     |   | (51 | ) |
| Non-controlling interests                                        |     |   |     97 |   |     |   |   2 |   |     |   |    127 |   |     |   |   2 |   |     |   |    879 |   |     |   |  17 |   |
| Total capital                                                    |     |   |  6,041 |   |     |   | 100 |   |     |   |  5,517 |   |     |   | 100 |   |     |   |  5,243 |   |     |   | 100 |   |

| (1) | Cash and cash equivalents is net of bank overdraft. |

| (2) | Includes the fair value of economic and designated hedging instruments on debt, as the carrying 
 value of the related debt is impacted by changes in foreign exchange rates.                     |

| (3) | Principal portion of the TransAlta OCP LP restricted cash related to the TransAlta OCP LP bonds 
 as this cash is restricted specifically to repay outstanding debt.                              |

| (4) | These items are not defined and have no standardized meaning under IFRS and may not be comparable                                                                                                            
 to similar measures presented by other issuers. Refer to the Additional IFRS Measures and Non-IFRS Measures section of this MD&A for further discussion, including reconciliations to measures calculated in 
 accordance with IFRS.                                                                                                                                                                                        |

| (5) | The tax equity financing for the Skookumchuck wind facility, an equity-accounted joint venture, 
 is not represented in these amounts.                                                            |

| (6) | The total consolidated net debt excludes the exchangeable preferred securities as they are 
 considered equity with dividend payments for credit purposes.                              |

| TransAlta Corporation |