Company: TSLTF
Filing Date: 2025-12-12
Form Type: SUPPL
Source: 0001193125-25-317786
Chunk: 142

Company: TRANSALTA CORP
Filing Date: 2025-12-12
Form: SUPPL
Chunk 142
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, 2024, TransAlta paid $16 million (2023 — $19 million) related to recognized lease liabilities, consisting of $6 million (2023 — $10 million) of principal repayments and $10 million (2023 —$9 million) of interest expense. Short-term leases (term of less than 12 months) and leases with total lease payments below the Company’s capitalization threshold (low value leases) do not require recognition as lease liabilities and right-of-useassets. For the year ended Dec. 31, 2024, the Company expensed $1 million (2023 — $1 million and 2022 — $2 million) related to short-term and low value leases. Some of the Company’s land leases that met the definition of a lease were not recognized as they require variable payments based on production or revenue. Additionally, certain land leases require payments to be made on the basis of the greater of the minimum fixed payments and variable payments based on production or revenue. For these leases, lease liabilities have been recognized on the basis of the minimum fixed payments. For the year ended Dec. 31, 2024, the Company expensed $9 million (2023 — $8 million and 2022 — $8 million) in variable land lease payments for these leases.

| TransAlta Corporation |     | 2024 Integrated Report |     | F70 |

Notes to the Consolidated Financial Statements 21. Intangible Assets A reconciliation of the changes in the carrying amount of intangible assets is as follows:

| Cost                              
 As at Dec. 31, 2022               |     | Power sale 
 and        
 other      
 contracts  | 272 |   |     | Software  
 and other | 437 |   |     | Intangibles under 
 development       |  27 |   |     | Coal rights | 132 |     | Total | 868 |
|:----------------------------------|:----|:-----------|----:|:--|:----|:----------|----:|:--|:----|:------------------|----:|:--|:----|:------------|----:|:----|:------|----:|
| Additions                         |     |            |   — |   |     |           |   — |   |     |                   |  13 |   |     |             |   — |     |       |  13 |
| Asset impairment charges (Note 7) |     |