IMPORTANT NOTICE

IMPORTANT: You must read the following disclaimer before continuing. The following disclaimer applies to the tender offer information set out in the following website (as it may be supplemented or amended from time to time, the "Tender Offer Information", which includes the tender offer memorandum (the "Tender Offer Memorandum") set out herein) and you are therefore required to read this disclaimer page carefully before accessing, reading or making any other use of the Tender Offer Information. By accessing, reading or making any other use of the Tender Offer Information, you agree (in addition to giving the representations below) to be bound by the following terms and conditions, including any modifications to them from time to time, each time you receive any information from Citigroup Global Markets Inc. in its capacity as offeror (the "Offeror"),  Citigroup Global Markets Inc. in its capacity as dealer manager, The Hongkong and Shanghai Banking Corporation Limited, Merrill Lynch (Singapore) Pte. Ltd. and Société Générale (together, the "Dealer Managers") or D.F. King Limited (the "Information and Tender Agent"), as a result of such access. Capitalized terms used but not otherwise defined in this disclaimer shall have the meaning given to them in the Tender Offer Memorandum.

Confirmation of your representation: In order to make an investment decision with respect to the Tender Offer (as defined below), you must be able to participate lawfully in the invitations by the Offeror (as defined below) to Holders of the Existing Notes (as defined below) to offer to tender their Existing Notes for purchase (the "Tender Offer") on the terms and subject to the conditions set out in the Tender Offer Memorandum, including the offer and distribution restrictions set out therein (the "Offer and Distribution Restrictions"). The ability to purchase the New Notes is subject to all applicable securities laws and regulations in force in any relevant jurisdiction. In particular, Holders in the United States must be both "qualified institutional buyers" as defined in Rule 144A under the United States Securities Act of 1933, as amended, and "qualified purchasers" as defined in the United States Investment Company Act of 1940, as amended, in order for PTTEP Treasury Center Company Limited, the Guarantor (as defined below) and the Offeror to consider any Holders for priority allocation of the New Notes. The Tender Offer Information was made available to you at your request and by accessing, reading or making any other use of the Tender Offer Information you shall have represented to the Issuer, the Guarantor, the Offeror, the Dealer Managers and the Information and Tender Agent that:

1. you are a Holder or a beneficial owner of the U.S.$700,000,000 5.692% Senior Notes due 2021 issued by PTTEP Canada International Finance Limited (the "Issuer") and guaranteed by PTT Exploration and Production Public Company Limited (the "Guarantor") (CUSIP, ISIN and Common Code: C75088 AA9/USC75088AA97/061397752 (Regulation S) and 74442A AA6/US74442AAA60/061396900 (Rule 144A) (the "Existing Notes");
2. you are not a Sanctions Restricted Person and you are a person to whom it is lawful to send (or make available) the Tender Offer Information or to make an invitation pursuant to the Tender Offer under all applicable laws, including the Offer and Distribution Restrictions; and
3. you consent to accessing of the Tender Offer Information to you by electronic means.

The Tender Offer Information has been made available to you in an electronic form. You are reminded that documents made available via this medium may be altered or changed during the process of transmission or access and consequently none of the Issuer, the Guarantor, the Offeror, the Dealer Managers, the Information and Tender Agent, the Trustee or any person who controls, or any director, officer, employee, agent or affiliate of, any such person accepts any liability or responsibility whatsoever in respect of any difference between the Tender Offer Information distributed to or accessed by you in electronic format and the hard copy version available to you on request from the Information and Tender Agent. The electronic version of the Tender Offer Information is also accessible, upon registration and subject to the offer and distribution restrictions described herein, on the Tender Offer Website   https://sites.dfkingltd.com/pttep   ..

The Tender Offer Information has been made available to you on the basis that you may not, nor are you authorized to, deliver or make available the Tender Offer Information to any other person or to reproduce the Tender Offer Information in any manner whatsoever.

Any materials relating to the Tender Offer do not constitute, and may not be used in connection with, any form of offer or solicitation in any place where such offers or solicitations are not permitted by law. In those jurisdictions where securities or other laws require the Tender Offer to be made by a licensed broker or dealer and any of the Dealer Managers or, where the context so requires, any of their respective affiliates is such a licensed broker or dealer in that jurisdiction, the Tender Offer shall be deemed to be made on behalf of the Offeror by such Dealer Manager or affiliate (as the case may be) in such jurisdiction.

The distribution of the Tender Offer Information in certain jurisdictions may be restricted by law. Persons into whose possession the Tender Offer Information comes are required by the Offeror, the Dealer Managers and the Information and Tender Agent to inform themselves about, and to observe, any such restrictions.

You are responsible for protecting against viruses and other destructive items. Your use of this electronic communication is at your own risk. It is your responsibility to take precautions to ensure that this electronic communication is free from viruses and other items of a destructive nature.