PART III

CERTIFICATION OF ACCURACY OF THE INFORMATION

1. Certification by Executive Directors.

  We have reviewed the information contained in this annual report with
  care. We, in the capacity of Executive Directors/Top Ranking Officers
  in the line of command of accounting department of the Company, hereby
  certify that this report contains complete, not false, and not
  misleading information, without omission of the material information
  that should be disclosed. We further certify that:

1.  The summary of the financial statements and financial information
    contained in this report are substantially accurate and complete in
    connection with financial position, operating results, and cash
    flows of the Company and its subsidiaries;

2.  We are responsible for the establishment of good information
    disclosure system of the Company to ensure that the material
    information of the Company and its subsidiaries are accurate and
    complete, and for the supervision to ensure that the said system is
    being observed; and

3.  We are responsible for the establishment of the good internal
    control and regulation system, and for the compliance with the said
    system. We have provided the auditor and audit committee of the
    Company with the information about the internal system assessment on
    January 24, 2005 The assessment covers the flaws and significant
    changes of the internal control system and any irregularities which
    may have impact on the preparation of the financial statements of
    the Company and its subsidiaries.

  For the purpose of identifying that the documents are those that we
  certify, we hereby designated Mr. Therdtham Biarabicharana to initial
  each page of this report. Any document that does not contain the
  initial of Mr. Therdtham Biarabicharana shall be deemed that the
  information contained therein is not certified by us

  [Signed]

+---------------------------+---------------------+--------------------+
|                           | Position            | Signature          |
+---------------------------+---------------------+--------------------+
| 1.  Mr. Leo Mittelholzer  | Managing Director   | [Signed]           |
+---------------------------+---------------------+--------------------+
| 2.  Mr. Vanchai Tosomboon | Executive Director  | [Signed]           |
+---------------------------+---------------------+--------------------+
| 3.  Ms. Chantana          | Executive Director  | [Signed]           |
|     Sukumanont            |                     |                    |
+---------------------------+---------------------+--------------------+
| 4.  Mr. Andreas           | Senior Vice         | [Signed]           |
|     Leutenegger           | President (Finance  |                    |
|                           | and Controlling)    |                    |
+---------------------------+---------------------+--------------------+

  Designated Person

  ---------------------------- --------------------- --------------------
  Mr. Therdtham Biarabicharana Legal Services        [Signed]
                               Manager               

  ---------------------------- --------------------- --------------------

2. Statement of Non-Executive Directors.

We have reviewed the information contained in this annual report with
care. We, in the capacity of Directors of the Company, found no
suspicion that the information contained in this report is not complete,
false, or misleading, or there is omission of the material information
that should be disclosed.

  For the purpose of identifying that the documents are those that we
  certify, we hereby designated Mr. Therdtham Biarabicharana to initial
  each page of this report. Any document that does not contain the
  initial of Mr.Therdtham Biarabicharana shall be deemed that the
  information contained therein is not certified by us

  [Signed]

+--------------------------+---------------------+--------------------+
| Name                     | Position            | Signature          |
+--------------------------+---------------------+--------------------+
| 1.  Mr. Krit Ratanarak   | Chairman            | [Signed]           |
+--------------------------+---------------------+--------------------+
| 2.  Mr. Paul Heinz       | Vice Chairman       | [Signed]           |
|     Hugentobler          |                     |                    |
+--------------------------+---------------------+--------------------+
| 3.  Mr. Veraphan         | Vice Chairman       | [Signed]           |
|     Teepsuwan            |                     |                    |
+--------------------------+---------------------+--------------------+
| 4.  Mr. Urs Wolfgang     | Director            | [Signed]           |
|     Bieri                |                     |                    |
+--------------------------+---------------------+--------------------+
| 5.  Mr. Harald Link      | Director            | [Signed]           |
+--------------------------+---------------------+--------------------+
| 6.  Dr. Jamlong Atikul   | Director            | [Signed]           |
+--------------------------+---------------------+--------------------+
| 7.  Dr. Sura Sanittanont | Director            | [Signed]           |
+--------------------------+---------------------+--------------------+
| 8.  Mr. Prakob           | Director            | [Signed]           |
|     Visitkitjakarn       |                     |                    |
+--------------------------+---------------------+--------------------+
| 9.  Mr. Chet             | Director            | [Signed]           |
|     Raktakanishta        |                     |                    |
+--------------------------+---------------------+--------------------+

  Designated Person

  --------------------------- ---------------------- ---------------------
  Mr. Therdtham               Legal Services Manager [Signed]
  Biarabicharana                                     

  --------------------------- ---------------------- ---------------------