Attachment 1

Details of the Company’s Directors and Authorized Personnel as at 31 December 2003

+---------+--------+------+---------+-------+-----------------------+
| Name    | Edu    | Hol  | Family  | Wo    |                       |
| –       | cation | ding | Relat   | rking |                       |
| Surname |        | Pr   | ionship | Exper |                       |
|         |        | opor | among   | ience |                       |
| P       |        | tion | Man     |       |                       |
| osition |        | of   | agement |       |                       |
|         |        | com  |         |       |                       |
|         |        | pany |         |       |                       |
|         |        | s    |         |       |                       |
|         |        | hare |         |       |                       |
|         |        | (%)  |         |       |                       |
+---------+--------+------+---------+-------+-----------------------+
| 1.      | -B     | 4    | Elder   | U     | Deputy Chairman of    |
| Mr      | .Sc.Ph | ,249 | brother | nited | the Board acting      |
| .Vitoon | amaceu | ,170 | of      | Secur | Chairman              |
| Wongk   | tical, | sh   | Mr      | ities |                       |
| usolkit |        | ares | .Chanin | PLC.  | Chairman of the Board |
|         | C      |      | Vongk   |       | of Directors          |
| -       | hulalo | (3.  | usolkit | 1990  |                       |
| C       | ngkorn | 66%) | and     | -1997 | Executive Director    |
| hairman | Univ   |      | Mr.     |       | and Director /        |
| of the  | ersity |      | Verajet | 19    | Mitrphol Sugar        |
| Board   |        |      | Vongkus | 97-Pr | Corp.Ltd and          |
| of      | -DCP   |      | olkit’s | esent | Affiliated Co.        |
|         | Course |      | uncle   |       |                       |
| Di      | from   |      |         | Othe  | Director / United     |
| rectors | Thai   |      |         | r Bus | Standard Terminal PLC |
|         | Ins    |      |         | iness |                       |
|         | titute |      |         |       | Chairman / Chemical   |
|         | of     |      |         | 19    | Engineering Co.,Ltd.  |
|         | Dir    |      |         | 74-Pr |                       |
|         | ectors |      |         | esent | Chairman / Royal Sun  |
|         | Assoc  |      |         |       | Alliance              |
|         | iation |      |         | 19    | Insurance(Thailand)   |
|         | (IOD)  |      |         | 77-Pr | Co.,Ltd.              |
|         |        |      |         | esent |                       |
|         |        |      |         |       | Chairman of the       |
|         |        |      |         | 19    | Management Committee  |
|         |        |      |         | 77-Pr | / Amarin Plaza PLC.   |
|         |        |      |         | esent |                       |
|         |        |      |         |       | Chairman / Makkasan   |
|         |        |      |         | 19    | Real Estate Co.,Ltd.  |
|         |        |      |         | 83-Pr |                       |
|         |        |      |         | esent | Managing Director /   |
|         |        |      |         |       | Ploenchit Real Estate |
|         |        |      |         | 19    | Co.,Ltd.              |
|         |        |      |         | 87-Pr |                       |
|         |        |      |         | esent | Chairman / Siam       |
|         |        |      |         |       | Silica Co.,Ltd.       |
|         |        |      |         | 19    |                       |
|         |        |      |         | 89-Pr | Director / Banpu PLC. |
|         |        |      |         | esent |                       |
|         |        |      |         |       |                       |
|         |        |      |         | 19    |                       |
|         |        |      |         | 89-Pr |                       |
|         |        |      |         | esent |                       |
|         |        |      |         |       |                       |
|         |        |      |         | 19    |                       |
|         |        |      |         | 89-Pr |                       |
|         |        |      |         | esent |                       |
|         |        |      |         |       |                       |
|         |        |      |         | 19    |                       |
|         |        |      |         | 99-Pr |                       |
|         |        |      |         | esent |                       |
+---------+--------+------+---------+-------+-----------------------+
| 2.      | -M.    | 229  | Younger | Un    | Director              |
| Mr      | B.A. - | ,804 | brother | ited  |                       |
| .Chanin | F      | sh   | of      | Secur | Director / Mitrphol   |
| Vongk   | inance | ares | Mr      | ities | Sugar Corp.Ltd.       |
| usolkit |        |      | .Vitoon |  PLC. |                       |
|         | St     | (0   | Wongk   |       | Director / Royal Sun  |
| -       | .Louis | .197 | usolkit | 19    | Alliance              |
| D       | Univ   | %)   | and     | 90-Pr | Insurance(Thailand)   |
| irector | ersity |      | uncle   | esent | Co.,Ltd.              |
|         |        |      | of      |       |                       |
|         | -DCP   |      | Mr.     | Othe  | Director / United     |
|         | Course |      | Verajet | r Bus | Standard Terminal     |
|         | from   |      | Vongk   | iness | PLC.                  |
|         | Thai   |      | usolkit |       |                       |
|         | Ins    |      |         | 1983- | Chief Executive       |
|         | titute |      |         | Pr    | Officer / Banpu PLC.  |
|         | of     |      |         | esent |                       |
|         | Dir    |      |         |       | Director / Amarin     |
|         | ectors |      |         | 1984- | Plaza PLC.            |
|         | Assoc  |      |         | Pr    |                       |
|         | iation |      |         | esent | Director / Banpu      |
|         | (IOD)  |      |         |       | Power Co.,Ltd.        |
|         |        |      |         | 1986- |                       |
|         |        |      |         | Pr    |                       |
|         |        |      |         | esent |                       |
|         |        |      |         |       |                       |
|         |        |      |         | 1987- |                       |
|         |        |      |         | Pr    |                       |
|         |        |      |         | esent |                       |
|         |        |      |         |       |                       |
|         |        |      |         | 1988- |                       |
|         |        |      |         | Pr    |                       |
|         |        |      |         | esent |                       |
|         |        |      |         |       |                       |
|         |        |      |         | 2000- |                       |
|         |        |      |         | Pr    |                       |
|         |        |      |         | esent |                       |
+---------+--------+------+---------+-------+-----------------------+

[TABLE]