Office of the Securities and Exchange Commission No. SorDor. 6/2554 Re: Additional Provisions relating to Issuance and Offer for Sale of Sukuk _______________ By virtue of Section 72 and Section 81 of the

Trust Information technology Approved Personnel and  -------------------------- Sub-topic ------------------------- Securities Issuance Takeover Approval Mutual Fund Private Fund Provident Fund Venture

Trust Information technology Approved Personnel and  -------------------------- Sub-topic ------------------------- Securities Issuance Takeover Approval Mutual Fund Private Fund Provident Fund Venture

Trust Information technology Approved Personnel and  -------------------------- Sub-topic ------------------------- Securities Issuance Takeover Approval Mutual Fund Private Fund Provident Fund Venture

Trust Information technology Approved Personnel and  -------------------------- Sub-topic ------------------------- Securities Issuance Takeover Approval Mutual Fund Private Fund Provident Fund Venture

Trust Information technology Approved Personnel and  -------------------------- Sub-topic ------------------------- Securities Issuance Takeover Approval Mutual Fund Private Fund Provident Fund Venture

Trust Information technology Approved Personnel and  -------------------------- Sub-topic ------------------------- Securities Issuance Takeover Approval Mutual Fund Private Fund Provident Fund Venture

was no gas turbine maintenance at Rayong Central Utilities Plant in Q3/2017 as there was in Q3/2016 and the plant had better operating performance. Also, the selling price rose from the increase in the

Supervisory Board No. Tor Thor. 32/2559 Re: Rules, Conditions, and Procedures for Operation of Securities Clearing Houses and Central Securities Depositories By virtue of Section 16/6, Section 223/3, and

increased by Baht 272 million as a result of the increased revenue which followed the rise in availability rate from 40% in Q4/2018 to 99% in Q1/2019 due to no major overhaul. In addition, the cost of sales