<p>TransAlta Corporation announced that it has achieved a 70 percent reduction in greenhouse gas emissions, equivalent to 22.7 million tonnes of CO2e, since 2015. The company reported receiving an upgraded MSCI ESG rating of AA. TransAlta’s climate change management reporting is guided by the International Financial Reporting Standards (IFRS) S2 Climate-related Disclosures Standard and the Task Force on Climate-related Financial Disclosures (TCFD) recommendations. The company aligns its corporate goals with the UN Sustainable Development Goals and the Future-Fit Business Benchmark. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. TransAlta Corporation published the original content used to generate this news brief via GlobeNewswire (Ref. ID: GNW9603567-en) on December 17, 2025, and is solely responsible for the information contained therein. © Copyright 2025 - Public Technologies (PUBT)</p>

<p>TransAlta reports 70 percent reduction in GHG emissions since 2015</p>