• Mexican securities laws and regulations in all the interna tional markets where our shares are traded, including the Mexican Securities Law (Ley de Mercado de Valores), the Sole Document for Issuers (Circular Única de Emisoras), the internal bylaws of the Mexican Stock Exchange (Reglamento Interior de la Bolsa Mexicana de Valores), and the Code of Best Corporate Practices (Código de Mejores Prácticas Corporativas) published by the Corporate Coordinating Council (Consejo Coordinador Empresarial).