Company: TSLTF
Filing Date: 2025-12-12
Form Type: SUPPL
Source: 0001193125-25-317786
Chunk: 392

Company: TRANSALTA CORP
Filing Date: 2025-12-12
Form: SUPPL
Chunk 392
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     |     |          |     |     |           |       |     |          |         |
| Demand facilities                             |     |          |   400 |     |             | 212 |     |          |   — |     |           |   188 |     |          | N/A     |
| Total Non-Committed                           |     |          |   400 |     |             | 212 |     |          |   — |     |           |   188 |     |          |         |

| (1) | TransAlta has obligations to issue letters of credit and cash collateral to secure potential                                                                                                                                                        
 liabilities to certain parties, including those related to potential environmental obligations, commodity risk management and hedging activities, pension plan obligations, construction projects and purchase obligations. Letters of credit drawn 
 against the non-committed facilities reduce available capacity under the committed syndicated credit facilities.                                                                                                                                    |

The Company maintains a strong financial position, with $1.6 billion in liquidity as of Sept. 30, 2025. Credit facilities are the primary source of short-term liquidity after internally generated cash flow. The Company is in compliance with the terms of its credit facilities and all undrawn amounts are fully available. Letters of credit in the amount of $212 million were issued from non-committeddemand facilities which are fully backstopped, thereby reducing the available capacity on the committed credit facilities. In addition to the net $1.3 billion of committed capacity available under the credit facilities, the Company had $211 million of available cash and cash equivalents as at Sept. 30, 2025. TransAlta’s debt has terms and conditions, including financial covenants, that are considered ordinary and customary. As at Sept. 30, 2025, the Company was in compliance with all of its debt covenants. Credit Facility Extension During the third quarter of 2025, the size of the Syndicated credit facility was reduced from $1.95 to $1.90 billion, and the maturity was extended by one year to June 30, 2029. During the third quarter of 2025, the maturity of the Bilateral credit facilities in the aggregate amount of $240 million were also extended by one year to June 30, 2027. Senior Notes Offering On March 24, 2025, the Company issued $450 million of senior notes with a fixed annual coupon of 5.625 per cent, maturing on March 24, 2032. The