Minutes of the Special Meeting of Holders of Class "B1" Preferred Shares

This filing contains the minutes of a special meeting of holders of Class "B1" preferred shares of Centrais Elétricas Brasileiras S.A. – ELETROBRAS, held on April 1st, 2026. The primary resolution was the approval, by majority vote, of the conversion of all class "B1" preferred shares into common shares at a ratio of 1.1 common shares for each "B1" preferred share. This conversion is also subject to approval at an Extraordinary Shareholders' Meeting. The meeting was conducted digitally, with a quorum represented by 65.41% of the total class "B1" preferred shares with voting rights. All necessary documents were made available to shareholders, and the proceedings were conducted in accordance with Brazilian corporate law and relevant CVM resolutions.