| Work Rules |
| Rules and Procedures of Shareholders Meeting |
| Rules for Election of Directors |
| Rules Governing Financial and Business Matters Between this Corporation and its Affiliated Enterprises |
| Rules and Procedures of Board of Director Meetings |
| Codes of Ethical Conduct |
| Self-Regulatory Rules on Disclosure of Merger and Acquisition Information |
| Procedures for Handling Material Inside Information |
| Audit Committee's Charter |
| Remuneration Committee's Charter |
| Ethical Corporate Management Best Practice Principles |
| Sustainable Development Best Practice Principles |
| Corporate Governance Best Practice Principles |
| Environmental Safety and health management of procurement practices |
| Performance Evaluation Regulation of the Board of Directors |
| Risk Management Policy and Procedure |
