3. Circular   31/2546    25/12/2003 4. Circular   3/2546    12/02/2003 5. Circular   14/2544    19/09/2001 6. Circular   25/2544    03/07/2001 7. Circular   18/2544    26/03/2001 8. Circular   11/2544

governance Governance Bio Circular Green Disclosure International indices Transparency Regulation Innovation TechnologyScience new rules and regulation especially the trade barrier from environmental issues

Adequacy Requirements |- Executives / Personnel | - |- Approval & Qualifications |- Fees |- Related Circular Letter    Executives of securities companies and personnel in securities business |- Approval and

result, the Company is required to disclose the information memorandum on entering into such transaction to the Stock Exchange of Thailand (the “SET”) and to send a circular letter to the shareholders of

Notification of Acquisition or Disposal of Assets. As a result, the Company is required to disclose the information memorandum on entering into such transaction to the SET and to send a circular letter to the

Assets. As a result, the Company is required to disclose the information memorandum on entering into such transaction to the Stock Exchange of Thailand (the “SET”) and to send a circular letter to the

or Disposal of Assets. As a result, the Company is required to immediately disclose the information memorandum on entering into such transaction to the SET and send a circular letter to the

of Certifier   54. Circular   13/2552    13/10/2009 16/10/2009 55. Circular   26/2552    10/09/2009 16/08/2009 56. Circular   12/2552    25/08/2009 16/08/2009 57. Circular   20/2554    23/12/2011

transaction, i.e. transaction value higher than 15% but less than 50%, and the Company is obligated to prepare a report and disclose information on the transaction to the SET and to submit a circular letter to

   17. Circular   30/2544    28/09/2001 18. Circular   7/2544    22/01/2001 19. Circular   16/2543    12/07/2000 20. Circular   5/2543    29/02/2000 21. Circular   2/2543    08/02/2000 22. Circular   28