Report of Foreign Private Issuer - Braskem S.A.

This report details the upcoming Extraordinary General Meeting (EGM) of Braskem S.A. to be held on May 28, 2026. Shareholders will vote on several key resolutions, including amendments to the company's bylaws to improve clarity, align with a new Shareholders' Agreement, and reflect new governance practices. These amendments cover various articles related to the company's structure, board of directors, and committees. The meeting will also address the consolidation of the bylaws, the potential early end of the current Executive Board's term to align with the Board of Directors' term, and the election of board members. Shareholders can vote remotely by submitting a ballot with required documentation to the company or through designated service providers. Specific procedures and deadlines for submission are outlined, including the requirement for ballots to be received by May 24, 2026. The report also includes details on the nomination of board members and the fiscal council, as well as instructions for requesting separate elections under specific conditions. Forward-looking statements regarding potential impacts of legal proceedings and the COVID-19 pandemic are also included.