Company: TSLTF
Filing Date: 2025-12-12
Form Type: SUPPL
Source: 0001193125-25-317786
Chunk: 201

Company: TRANSALTA CORP
Filing Date: 2025-12-12
Form: SUPPL
Chunk 201
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     |    315 |     |     8 |     |     17 |     |   307 |     |          — |     |    332 |     |    10 |     |     17 |     |   419 |     |          5 |     |    451 |
| Purchased power ($)                        |     |     7 |     |      3 |     |     60 |     |          — |     |     70 |     |     9 |     |      3 |     |    29 |     |          — |     |     41 |     |     8 |     |      4 |     |    23 |     |          — |     |     35 |
| Carbon compliance(3) ($)                   |     |     — |     |      — |     |    125 |     |          1 |     |    126 |     |     — |     |      — |     |   106 |     |          — |     |    106 |     |     — |     |      1 |     |    70 |     |         -1 |     |     70 |
| Gross margin(5) ($)                        |     |   357 |     |     91 |     |    405 |     |          3 |     |    856 |     |   492 |     |    110 |     |   641 |     |          5 |     |  1,248 |     |   584 |     |    133 |     |   477 |     |          2 |     |  1,196 |

| (1) | Total production includes contract and merchant production. |

| (2) | Revenues have been adjusted to exclude the impact of unrealized mark-to-market gains or losses and to include realized gains and losses on closed exchange positions. |

| (3) | The intercompany sales of emission credits from the Hydro segment to the Gas segment are                                                
 eliminated on consolidation in the Corporate segment. Refer to the Additional IFRS Measures and Non-IFRS Measures section of this MD&A. |

| (4) | Gross installed capacity for Alberta facilities in 2024 includes 1,687 MW from the acquisition of                    
 Heartland and excludes production from Planned Divestitures. Refer to the Significant and Subsequent events section. |

| (5) | During 202