Form 56-1

  As of December 31, 2009

  Pato Chemical Industry Public Company Limited

Contents

+-------------------------------------------------+--------------------+
|                                                 | Page               |
+-------------------------------------------------+--------------------+
| Executive Summary                               | 1                  |
+-------------------------------------------------+--------------------+
| Part 1.                                         | 2                  |
|                                                 |                    |
| 1. Company Profile                              |                    |
+-------------------------------------------------+--------------------+
| 2. Risk Factors                                 | 3-4                |
+-------------------------------------------------+--------------------+
| 3. Nature of Business                           | 5-9                |
+-------------------------------------------------+--------------------+
| 4. Product Characteristic                       | 10-21              |
+-------------------------------------------------+--------------------+
| Research and Development                        | 22                 |
+-------------------------------------------------+--------------------+
| 5. Assets                                       | 23-27              |
+-------------------------------------------------+--------------------+
| Future Planning                                 | 28                 |
+-------------------------------------------------+--------------------+
| 6. Lawsuit                                      | 29                 |
+-------------------------------------------------+--------------------+
| 7. Capital and Shareholdings                    | 30-31              |
+-------------------------------------------------+--------------------+
| 8. Management                                   | 32-49              |
+-------------------------------------------------+--------------------+
| 9. Internal Audit                               | 50                 |
+-------------------------------------------------+--------------------+
| 10. Connected Transaction                       | 51                 |
+-------------------------------------------------+--------------------+
| 11. Financial Highlights and MD&A               | 52-76              |
+-------------------------------------------------+--------------------+
| 12. Other Related Information                   | 77                 |
+-------------------------------------------------+--------------------+
| Part 2. Rectification of the Document           | 78                 |
+-------------------------------------------------+--------------------+
| Attachment No. 1 Detail of Directors and        | 1-7                |
| Management of the Company                       |                    |
+-------------------------------------------------+--------------------+
| Attachment No. 2 Detail of Directors of Related | 8                  |
| Company                                         |                    |
+-------------------------------------------------+--------------------+
| Other Attachment                                | 9                  |
+-------------------------------------------------+--------------------+