[]

บริษัท สยามสตีลอินเตอร์เนชั่นแนล จำกัด (มหาชน)

รายงานการเปิดเผยข้อมูลเพิ่มเติม

แบบ 56 – 1

สำหรับรอบระยะเวลาบัญชีสิ้นสุด ณ วันที่ 30 มิถุนายน 2550

+------+---+---+---+----------------------------------------------+---+-----+---+
| ส    |   |   |   |                                              |   |     |   |
| ารบัญ |   |   |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   |   |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   |   |   |                                              | ห |     |   |
|      |   |   |   |                                              | น |     |   |
|      |   |   |   |                                              | ้า |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
| ส่วนที่ | ข |   |   |                                              |   | 1 - |   |
| 1    | ้อ |   |   |                                              |   | 2   |   |
|      | ม |   |   |                                              |   |     |   |
|      | ูล |   |   |                                              |   |     |   |
|      | ส |   |   |                                              |   |     |   |
|      | ร |   |   |                                              |   |     |   |
|      | ุป |   |   |                                              |   |     |   |
|      | ( |   |   |                                              |   |     |   |
|      | E |   |   |                                              |   |     |   |
|      | x |   |   |                                              |   |     |   |
|      | e |   |   |                                              |   |     |   |
|      | c |   |   |                                              |   |     |   |
|      | u |   |   |                                              |   |     |   |
|      | t |   |   |                                              |   |     |   |
|      | i |   |   |                                              |   |     |   |
|      | v |   |   |                                              |   |     |   |
|      | e |   |   |                                              |   |     |   |
|      | S |   |   |                                              |   |     |   |
|      | u |   |   |                                              |   |     |   |
|      | m |   |   |                                              |   |     |   |
|      | m |   |   |                                              |   |     |   |
|      | a |   |   |                                              |   |     |   |
|      | r |   |   |                                              |   |     |   |
|      | y |   |   |                                              |   |     |   |
|      | ) |   |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
| ส่วนที่ | บ |   |   |                                              |   | 3   |   |
| 2    | ร |   |   |                                              |   |     |   |
|      | ิษ |   |   |                                              |   |     |   |
|      | ัท |   |   |                                              |   |     |   |
|      | ท |   |   |                                              |   |     |   |
|      | ี่อ |   |   |                                              |   |     |   |
|      | อ |   |   |                                              |   |     |   |
|      | ก |   |   |                                              |   |     |   |
|      | ห |   |   |                                              |   |     |   |
|      | ล |   |   |                                              |   |     |   |
|      | ัก |   |   |                                              |   |     |   |
|      | ท |   |   |                                              |   |     |   |
|      | ร |   |   |                                              |   |     |   |
|      | ัพ |   |   |                                              |   |     |   |
|      | ย์ |   |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 1 |   |                                              |   | 4   |   |
|      |   | . |   |                                              |   |     |   |
|      |   | ป |   |                                              |   |     |   |
|      |   | ัจ |   |                                              |   |     |   |
|      |   | จ |   |                                              |   |     |   |
|      |   | ัย |   |                                              |   |     |   |
|      |   | ค |   |                                              |   |     |   |
|      |   | ว |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ม |   |                                              |   |     |   |
|      |   | เ |   |                                              |   |     |   |
|      |   | ส |   |                                              |   |     |   |
|      |   | ี่ย |   |                                              |   |     |   |
|      |   | ง |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 2 |   |                                              |   | 5 – |   |
|      |   | . |   |                                              |   | 9   |   |
|      |   | ล |   |                                              |   |     |   |
|      |   | ัก |   |                                              |   |     |   |
|      |   | ษ |   |                                              |   |     |   |
|      |   | ณ |   |                                              |   |     |   |
|      |   | ะ |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ป |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ะ |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | อ |   |                                              |   |     |   |
|      |   | บ |   |                                              |   |     |   |
|      |   | ธ |   |                                              |   |     |   |
|      |   | ุร |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | ิจ |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 3 |   |                                              |   | 10  |   |
|      |   | . |   |                                              |   | –   |   |
|      |   | ก |   |                                              |   | 19  |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ป |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ะ |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | อ |   |                                              |   |     |   |
|      |   | บ |   |                                              |   |     |   |
|      |   | ธ |   |                                              |   |     |   |
|      |   | ุร |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | ิจ |   |                                              |   |     |   |
|      |   | ข |   |                                              |   |     |   |
|      |   | อ |   |                                              |   |     |   |
|      |   | ง |   |                                              |   |     |   |
|      |   | แ |   |                                              |   |     |   |
|      |   | ต |   |                                              |   |     |   |
|      |   | ่ล |   |                                              |   |     |   |
|      |   | ะ |   |                                              |   |     |   |
|      |   | ส |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ย |   |                                              |   |     |   |
|      |   | ผ |   |                                              |   |     |   |
|      |   | ล |   |                                              |   |     |   |
|      |   | ิต |   |                                              |   |     |   |
|      |   | ภ |   |                                              |   |     |   |
|      |   | ัณ |   |                                              |   |     |   |
|      |   | ฑ์ |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 4 |   |                                              |   | 20  |   |
|      |   | . |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ว |   |                                              |   |     |   |
|      |   | ิจ |   |                                              |   |     |   |
|      |   | ัย |   |                                              |   |     |   |
|      |   | แ |   |                                              |   |     |   |
|      |   | ล |   |                                              |   |     |   |
|      |   | ะ |   |                                              |   |     |   |
|      |   | พ |   |                                              |   |     |   |
|      |   | ัฒ |   |                                              |   |     |   |
|      |   | น |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 5 |   |                                              |   | 21  |   |
|      |   | . |   |                                              |   | –   |   |
|      |   | ท |   |                                              |   | 27  |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ัพ |   |                                              |   |     |   |
|      |   | ย |   |                                              |   |     |   |
|      |   | ์ส |   |                                              |   |     |   |
|      |   | ิน |   |                                              |   |     |   |
|      |   | ท |   |                                              |   |     |   |
|      |   | ี่ใ |   |                                              |   |     |   |
|      |   | ช |   |                                              |   |     |   |
|      |   | ้ใ |   |                                              |   |     |   |
|      |   | น |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ป |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ะ |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | อ |   |                                              |   |     |   |
|      |   | บ |   |                                              |   |     |   |
|      |   | ธ |   |                                              |   |     |   |
|      |   | ุร |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | ิจ |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 6 |   |                                              |   | 28  |   |
|      |   | . |   |                                              |   |     |   |
|      |   | โ |   |                                              |   |     |   |
|      |   | ค |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ง |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ใ |   |                                              |   |     |   |
|      |   | น |   |                                              |   |     |   |
|      |   | อ |   |                                              |   |     |   |
|      |   | น |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ค |   |                                              |   |     |   |
|      |   | ต |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 7 |   |                                              |   | 29  |   |
|      |   | . |   |                                              |   |     |   |
|      |   | ข |   |                                              |   |     |   |
|      |   | ้อ |   |                                              |   |     |   |
|      |   | พ |   |                                              |   |     |   |
|      |   | ิพ |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ท |   |                                              |   |     |   |
|      |   | ท |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ง |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | ฎ |   |                                              |   |     |   |
|      |   | ห |   |                                              |   |     |   |
|      |   | ม |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ย |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 8 |   |                                              |   | 30  |   |
|      |   | . |   |                                              |   | –   |   |
|      |   | โ |   |                                              |   | 31  |   |
|      |   | ค |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ง |   |                                              |   |     |   |
|      |   | ส |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ้า |   |                                              |   |     |   |
|      |   | ง |   |                                              |   |     |   |
|      |   | เ |   |                                              |   |     |   |
|      |   | ง |   |                                              |   |     |   |
|      |   | ิน |   |                                              |   |     |   |
|      |   | ท |   |                                              |   |     |   |
|      |   | ุน |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 9 |   |                                              |   | 32  |   |
|      |   | . |   |                                              |   | –   |   |
|      |   | ก |   |                                              |   | 38  |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | จ |   |                                              |   |     |   |
|      |   | ัด |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 1 |   |                                              |   | 39  |   |
|      |   | 0 |   |                                              |   |     |   |
|      |   | . |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ค |   |                                              |   |     |   |
|      |   | ว |   |                                              |   |     |   |
|      |   | บ |   |                                              |   |     |   |
|      |   | ค |   |                                              |   |     |   |
|      |   | ุม |   |                                              |   |     |   |
|      |   | ภ |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ย |   |                                              |   |     |   |
|      |   | ใ |   |                                              |   |     |   |
|      |   | น |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 1 |   |                                              |   | 40  |   |
|      |   | 1 |   |                                              |   | –   |   |
|      |   | . |   |                                              |   | 41  |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ย |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ะ |   |                                              |   |     |   |
|      |   | ห |   |                                              |   |     |   |
|      |   | ว |   |                                              |   |     |   |
|      |   | ่า |   |                                              |   |     |   |
|      |   | ง |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | ัน |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 1 |   |                                              |   | 42  |   |
|      |   | 2 |   |                                              |   | –   |   |
|      |   | . |   |                                              |   | 67  |   |
|      |   | ฐ |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | น |   |                                              |   |     |   |
|      |   | ะ |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | เ |   |                                              |   |     |   |
|      |   | ง |   |                                              |   |     |   |
|      |   | ิน |   |                                              |   |     |   |
|      |   | แ |   |                                              |   |     |   |
|      |   | ล |   |                                              |   |     |   |
|      |   | ะ |   |                                              |   |     |   |
|      |   | ผ |   |                                              |   |     |   |
|      |   | ล |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | ร |   |                                              |   |     |   |
|      |   | ด |   |                                              |   |     |   |
|      |   | ำ |   |                                              |   |     |   |
|      |   | เ |   |                                              |   |     |   |
|      |   | น |   |                                              |   |     |   |
|      |   | ิน |   |                                              |   |     |   |
|      |   | ง |   |                                              |   |     |   |
|      |   | า |   |                                              |   |     |   |
|      |   | น |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
|      |   | 1 |   |                                              |   | 68  |   |
|      |   | 3 |   |                                              |   | –   |   |
|      |   | . |   |                                              |   | 80  |   |
|      |   | ข |   |                                              |   |     |   |
|      |   | ้อ |   |                                              |   |     |   |
|      |   | ม |   |                                              |   |     |   |
|      |   | ูล |   |                                              |   |     |   |
|      |   | อ |   |                                              |   |     |   |
|      |   | ื่น |   |                                              |   |     |   |
|      |   | ท |   |                                              |   |     |   |
|      |   | ี่เ |   |                                              |   |     |   |
|      |   | ก |   |                                              |   |     |   |
|      |   | ี่ย |   |                                              |   |     |   |
|      |   | ว |   |                                              |   |     |   |
|      |   | ข |   |                                              |   |     |   |
|      |   | ้อ |   |                                              |   |     |   |
|      |   | ง |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
| ส่วนที่ | ก |   |   |                                              |   | 81  |   |
| 3    | า |   |   |                                              |   | –   |   |
|      | ร |   |   |                                              |   | 82  |   |
|      | ร |   |   |                                              |   |     |   |
|      | ับ |   |   |                                              |   |     |   |
|      | ร |   |   |                                              |   |     |   |
|      | อ |   |   |                                              |   |     |   |
|      | ง |   |   |                                              |   |     |   |
|      | ค |   |   |                                              |   |     |   |
|      | ว |   |   |                                              |   |     |   |
|      | า |   |   |                                              |   |     |   |
|      | ม |   |   |                                              |   |     |   |
|      | ถ |   |   |                                              |   |     |   |
|      | ูก |   |   |                                              |   |     |   |
|      | ต |   |   |                                              |   |     |   |
|      | ้อ |   |   |                                              |   |     |   |
|      | ง |   |   |                                              |   |     |   |
|      | ข |   |   |                                              |   |     |   |
|      | อ |   |   |                                              |   |     |   |
|      | ง |   |   |                                              |   |     |   |
|      | ข |   |   |                                              |   |     |   |
|      | ้อ |   |   |                                              |   |     |   |
|      | ม |   |   |                                              |   |     |   |
|      | ูล |   |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
| เอก  |   |   |   | รายละเอียดเกี่ยวกับผู้บริหารและผู้มีอำนาจควบคุมของบริษัท  |   | 83  |   |
| สารแ |   |   |   |                                              |   | –   |   |
| นบ 1 |   |   |   |                                              |   | 88  |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
| เ    |   |   |   | รายละเอียดเกี่ยวกับกรรมการของบริษัทย่อย             |   | 89  |   |
| อกสา |   |   |   |                                              |   |     |   |
| รแนบ |   |   |   |                                              |   |     |   |
| 2    |   |   |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+
| เ    |   |   |   | ข้อมูลอื่น ๆ                                     |   | 90  |   |
| อกสา |   |   |   |                                              |   |     |   |
| รแนบ |   |   |   |                                              |   |     |   |
| 3    |   |   |   |                                              |   |     |   |
+------+---+---+---+----------------------------------------------+---+-----+---+