18 Aug 2015

PTTEP would like to invite all shareholders to visit the operation site at S1 Project, Sirikit Oilfield, Kamphaeng Phet Province to help enhance your understanding of our business operations. The visiting shareholders will be divided into 4 groups of 60 persons each, on November 5, 2015 (Group 1), November 6, 2015 (Group 2), November 12, 2015 (Group 3) and November 13, 2015 (Group 4). The Itinerary and Application Conditions and Application Form are enclosed (Attachment 1 and 2, respectively). Interested shareholders please see the Application Conditions. The Application Form must be delivered to PTTEP by September 21, 2015 (we accept applications by postal mail only).

If there are applicants over quota, PTTEP will conduct a draw to select participants on September 22, 2015. The waiting list will also be drawn in case there are any cancellations. The list of participants will be posted on the website at www.pttep.com on September 23, 2015. Please note that PTTEP will contact each successful applicant for confirmation by the telephone number given in the Application Form.

Moreover, PTTEP also offers the Company's quarterly newsletters to shareholders, investors and the public. If shareholders* wish to receive the hard copy of the PTTEP newsletters, please fill in the PTTEP Hard Copy Newsletter Requisition Form and return it to the Company in order for us to arrange the delivery of the newsletter.

* Shareholders in this letter are those whose names are shown in the shareholders registration book closed on August 7, 2015

For more information, please contact

Tel. 0-2537-7545, 0-2537-6580

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