Transaction is considered as an acquisition of material assets pursuant to the Notification of the Capital Market Supervisory Board Notification No. TorJor. 20/2551 Re: “Rules on the Entering into Material

acquisition of material assets pursuant to the Notification of the Capital Market Supervisory Board Notification No. TorJor. 20/ 2551 Re: “Rules on the Entering into Material Transactions Deemed as the

trading account of Another person in such a way as to take advantage of other persons by using positive material non- public information concerning RPC investment inSammakorn Public Company Limited (SAMCO

No. TorJor. 20/2551, Re: Rules on Entering into Material Transactions Deemed as Acquisition or Disposal of Assets (as amended), and the Notification of the Board of Governors of the Stock Exchange of

Notification of the Capital Market Supervisory Board No. Tor Chor. 20/2551 regarding the Rules on Entering into Material Transactions Deemed as Acquisition or Disposal of Assets and the Notification of the Board

Material Transactions Deemed as Acquisition or Disposal of Assets dated 31 August 2008, and the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and

and improve service for customers in the future 3. Since the US is the hub for new innovation and technology, especially in the engineering and material fields, the company will gain advantage in

independent auditors including problems found during the audit as well as issues that the independent auditors consider may have a material impact on the company’s financial reports and to attend a meeting with

a transaction deemed as disposal of assets pursuant to the Notification of the Capital Market Supervisory Board No. TorChor. 20/2551 Re: Rules on Entering into Material Transactions Deemed as

Rules on Entering into Material Transactions Deemed as Acquisition or Disposal of Assets) and the Notification of the Board of Governors of the Stock Exchange of Thailand regarding Disclosure of