Company: TSLTF
Filing Date: 2025-12-12
Form Type: SUPPL
Source: 0001193125-25-317786
Chunk: 295

Company: TRANSALTA CORP
Filing Date: 2025-12-12
Form: SUPPL
Chunk 295
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C assists the Board in fulfilling its oversight responsibilities with respect to the Company’s monitoring of climate change, environmental, health and safety regulations, public policy changes and the development of strategies, policies and practices for climate change, environment, health and safety and social well-being, including human rights, working conditions and responsible sourcing. The following policies help govern sustainability at TransAlta and are publicly available in the Governance section of the Investor Centre on our website:

| • |     | Corporate Code of Conduct |

| • |     | Supplier Code of Conduct |

| • |     | Whistleblower Policy |

| • |     | Total Safety Management Policy |

| • |     | Human Rights and Discrimination Policy |

| • |     | Indigenous Relations Policy |

| • |     | Board and Workforce Diversity Policy and Diversity and Inclusion Pledge |

| • |     | Environmental Policy |

In 2024, our sustainability memberships included key sustainability organizations and working groups such as the IFRS Sustainability Alliance, the Trellis Network (formerly GreenBiz) and the Electricity Canada Sustainable Electricity Steering Committee and Climate Change Adaptation Committee, which all provide validation and support of our sustainability strategy and practices.

In 2024, our material sustainability factors remained unchanged from 2022. They are presented below in alphabetical order.

| • |     | Air quality and emissions |

| • |     | Asset integrity and grid resiliency |

| • |     | Biodiversity and land management |

| • |     | Climate change and greenhouse gas emissions |

| • |     | Dam safety |

| • |     | Energy use and conservation |

| • |     | Equity, diversity and inclusion |

| • |     | Ethics and business conduct |

| • |     | Health, safety and well-being |

| • |     | Human rights and labour practices |

| • |     | Indigenous relationships and partnerships |

| • |     | Information asset protection and cybersecurity |

| • |     | Renewable energy and innovative technologies |

| • |     | Security and emergency preparedness and response |

| • |     | Stakeholder engagement and community investment |

| • |     | Supply chain and sustainable sourcing |

| • |     | Sustainability governance |

| • |     | Sustainable finance |

| • |     | Talent attraction, retention and development |

| • |     | Waste management |

| • |     | Water management |

For additional details on governance, refer to the Governance and Risk Management section of this MD&A.

| TransAlta Corporation |     |