TransAlta Corporation Annual and Special Meeting of Shareholders Report of Voting Results

This report details the voting results from TransAlta Corporation's Annual and Special Meeting of Shareholders held on April 30, 2026. The meeting saw 188,939,751 common shares represented, constituting 63.55% of the outstanding shares. Key resolutions passed include the election of nine management-proposed directors, with all nominees receiving over 92% of the votes. The appointment of Ernst & Young LLP as the Corporation's auditors for 2026 was overwhelmingly approved with 99.19% of the votes in favor. Shareholders also approved, on an advisory basis, the Corporation's executive compensation approach with 96.69% of the votes in favor. Additionally, a resolution to increase the number of common shares reserved for issuance under the Share Unit Plan was approved with 98.53% of the votes in favor. The report was submitted by Nancy Brennan, Executive Vice President, Chief Legal and External Affairs Officer and Corporate Secretary.