Date as of               Descriptions                                                                       

2011-02-08              Ethical Corporate Management Best Practice Principles            

2012-06-22              Articles of Incorporation

2011-06-28              Code of Corporate Governance

2012-08-29              Code of Ethics

2012-06-22              Directors Election Regulation

2006-12-26              Independent Directors Duties

2006-12-26              Organizational Regulations for Audit Committee

2012-08-29              Organizational Regulations for Strategy Committee

2011-08-26              Organizational Regulations for Compensation Committee

2012-06-22              Meeting Rules of Order of the Board of Directors

2006-05-30              Ordinance of Shareholders Meetings  

2010-06-18              Operational Procedures for Endorsements / Guarantees

2009-06-19              Procedures for Loaning Funds to Others

2012-06-22              Procedures for Acquisition or Disposal of Assets