Interest Payment of Debenture Subject : Interest Payment of Debenture Name of bond : PTGC15DA Interest rate (% per annum) : 6.00 Interest period : From 04-Mar-2013 to 03-Jun-2013 Record date for interest payment of : 20-May-2013 debentures Book closing date for collecting : 21-May-2013 shareholders names under Section 225 of the Securities and Exchange Act Ex-interest date (XI) : 17-May-2013 Interest payment date : 04-Jun-2013 Remark : Ref. No. 01- 292 /2013 May 3, 2013 President The Stock Exchange of Thailand 62 Ratchadapisek Road, Klongtoey Bangkok 10110 Dear Sir, Subject: Notification of Book Closing Date for Interest Payment Reference is made to Debentures issued by PTT Global Chemical Public Company Limited for 2 tranches in which details are as follows; 1. "Debentures of PTT Global Chemical Public Company Limited No.2/2008 Tranche 1 Due 2013 (PTTGC13DA)", amounting 8,000 million Baht. Coupon rate is 5.30% per annum for year 1-3 and 6.00% per annum for year 4-5; 2. "Debentures of PTT Global Chemical Public Company Limited No.2/2008 Tranche 2 Due 2015 (PTTGC15DA)", amounting 4,000 million Baht. Coupon rate is 5.30% per annum for year 1-3, 6.00% per annum for year 4-5 and 6.45% per annum for year 6-7. Interests of the Debentures mentioned above will be paid on a quarterly basis. Interest shall be payable on 4 March, 4 June, 4 September and 4 December of each year throughout the term of the Debentures. PTT Global Chemical Public Company Limited would like to inform that the seventeenth coupon payment is due on June 4, 2013. Calculation period is 92 days starting from March 4, 2013 to June 3, 2013. The book closing date of the Debentures is on May 21, 2013 at noon. Please be informed accordingly. Yours Sincerely, (Mr. Anon Sirisaengtaksin) Chief Executive Officer ______________________________________________________________________ Interest Payment of Debenture Subject : Interest Payment of Debenture Name of bond : PTGC13DA Interest rate (% per annum) : 6.00 Interest period : From 04-Mar-2013 to 03-Jun-2013 Record date for interest payment of : 20-May-2013 debentures Book closing date for collecting : 21-May-2013 shareholders names under Section 225 of the Securities and Exchange Act Ex-interest date (XI) : 17-May-2013 Interest payment date : 04-Jun-2013 Remark : Ref. No. 01- 292 /2013 May 3, 2013 President The Stock Exchange of Thailand 62 Ratchadapisek Road, Klongtoey Bangkok 10110 Dear Sir, Subject: Notification of Book Closing Date for Interest Payment Reference is made to Debentures issued by PTT Global Chemical Public Company Limited for 2 tranches in which details are as follows; 1. "Debentures of PTT Global Chemical Public Company Limited No.2/2008 Tranche 1 Due 2013 (PTTGC13DA)", amounting 8,000 million Baht. Coupon rate is 5.30% per annum for year 1-3 and 6.00% per annum for year 4-5; 2. "Debentures of PTT Global Chemical Public Company Limited No.2/2008 Tranche 2 Due 2015 (PTTGC15DA)", amounting 4,000 million Baht. Coupon rate is 5.30% per annum for year 1-3, 6.00% per annum for year 4-5 and 6.45% per annum for year 6-7. Interests of the Debentures mentioned above will be paid on a quarterly basis. Interest shall be payable on 4 March, 4 June, 4 September and 4 December of each year throughout the term of the Debentures. PTT Global Chemical Public Company Limited would like to inform that the seventeenth coupon payment is due on June 4, 2013. Calculation period is 92 days starting from March 4, 2013 to June 3, 2013. The book closing date of the Debentures is on May 21, 2013 at noon. Please be informed accordingly. Yours Sincerely, (Mr. Anon Sirisaengtaksin) Chief Executive Officer ______________________________________________________________________ This announcement was prepared and disseminated by listed company or issuer through the electronic system which is provided for the purpose of dissemination of the information and related documents of listed company or issuer to the Stock Exchange of Thailand only. The Stock Exchange of Thailand has no responsibility for the correctness and completeness of any statements, figures, reports or opinions contained in this announcement, and has no liability for any losses and damages in any cases. In case you have any inquiries or clarification regarding this announcement, please directly contact listed company or issuer who made this announcement.