Company: TSLTF
Filing Date: 2025-12-12
Form Type: SUPPL
Source: 0001193125-25-317786
Chunk: 286

Company: TRANSALTA CORP
Filing Date: 2025-12-12
Form: SUPPL
Chunk 286
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 land’s diverse natural landscapes and ensure its long-term protection. TransAlta’s donation to the ACA is part of a larger effort to create the Whitewood Mine Conservation Site, which will encompass a total of 2,167 acres, combining past and present sales and donations. This makes it the largest continuous conservation property owned by the ACA in Alberta. The site features diverse natural landscapes, including a 100-acrelake, small water bodies and various natural habitats. The transformation of the Whitewood Mine into a conservation area showcases the Company’s commitment to environmental stewardship, reclamation and community engagement. Upon receiving its final reclamation

| TransAlta Corporation |     | 2024 Integrated Report |     | M127 |

Management’s Discussion and Analysis

certificate, the ACA plans to open the site to the public, providing a valuable recreational and educational resource for the community. Public Health and Safety We are committed to protecting the public and our assets, as well as the physical, psychological and social well-being of our employees. We specifically look to minimize the following risks:

| • |     | Harm to people; |

| • |     | Damage to property; |

| • |     | Operational liability; and |

| • |     | Loss of organizational reputation and integrity. |

We work to prevent incidents and lower our risk by administering security controls such as restricting physical access around and into our operating facilities. The use of security technology such as surveillance cameras and electronic access is utilized to ensure the control of secure areas. Regular audits and security risk assessments are conducted to ensure continuous improvement of the Security Management Program. Our Security Management Program is focused on the protection of people, property, information and reputation. The Corporate Emergency Management Program prepares employees should an emergency incident occur. The program receives executive sponsorship and includes an emergency management policy and standard, which sets an expectation for employees to continuously prepare for emergencies. It provides an overarching framework for each business unit to provide an Emergency Response Plan and Business Continuity Plan. We implement our Incident Command System, which is a standardized on-sceneemergency and incident management system that provides an organizational structure capable of responding to single or multiple incidents. Designed to aid in the management of resources during incidents, it combines facilities, equipment, personnel, procedures and communications operating within a common organizational structure. It is used as part of an all-hazardsapproach for incident management and is officially recognized for multi-agency response in emergency situations, however complex the incident might be. We develop strong relationships with local emergency responders. We periodically conduct multi