FORM 56-1

ANNUAL INFORMATION DISCLOSURE REPORT

For the Year Ended 31 December 2005

TONGKAH HARBOUR PUBLIC COMPANY LIMITED

CONTENT

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|                                                   | Page             |
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| Section 1 Executive Summary                       | 2                |
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|                                                   |                  |
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| Section 2 Listed Company                          | 4                |
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| 2.1 Risk Factors                                  | 5                |
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| 2.2 Business Nature                               | 6                |
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| 2.3 Production Operations                         | 9                |
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| 2.4 Research And Development (R&D)                | 19               |
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| 2.5 Assets Used in Business Operations            | 20               |
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| 2.6 Future Plan                                   | 22               |
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| 2.7 Litigation                                    | 23               |
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| 2.8 Registered Capital / Shareholder Structure    | 25               |
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| 2.9 Management                                    | 27               |
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| 2.10 Internal Control System                      | 35               |
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| 2.11 Transactions and Connected Parties           | 36               |
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| 2.12 Financial Position and Operating Results     | 39               |
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| 2.13 Other Related Information                    | 55               |
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|                                                   |                  |
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| Section 3 Certified True Information              | 56               |
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|                                                   |                  |
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| Attachment 1 Director and Management Profiles     |                  |
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| Attachment 2 Company Management of the Company,   |                  |
| Subsidiaries and Associated Companies             |                  |
|                                                   |                  |
| Attachment 3 Audit Committee and Independent      |                  |
| Director Report                                   |                  |
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