. (“Aukkrarawat”) To: President The Stock Exchange of Thailand In reference to: Clarification Letter on the Information in the Financial Statements Quarter 3 , ended 3 0 September 2 0 1 7 , as inquired by the Stock

: Management’s Discussion and Analysis for Year 2017 ended as of December 31, 2017 (Edited) Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (AIE) would like to submit the

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 9 May 2019 Re: To clarify the financial statements as of 31 March 2019 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

No. CAZ 015-2019 13 August 2019 Subject: Management Discussion and Analysis 2nd Quarter ended 30 June 2019 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company

the Company in June 12, 2018. Discussion of results of operations Consolidated financial statements Six Months 2018 Six Months 2019 % Change from Six Months Ended 2018 and 2019 THB million % THB million

companies. 6 Management Discussion and Analysis of Business Operation for FY2019 Bangchak Corporation Plc. | Important Events in 2019 January o Important change in accounting policy from the International

of the SEC Office (if any) and/or the conditions for the Stock Exchange of Thailand’s acceptance of securities (if any), including the compliance with such obligations or conditions in the following

a link thereto in order for investors to be able to access such information conveniently. Such information must be kept for at least five years without change thereafter. In addition, the Company is

the revenue from equipment rental while the cost of roaming is presented under network OPEX. The net financial impact before and after the agreements’ effective date does not materially change. 4. The

% Change Cash and cash equivalents 82 103 (20%) Account receivables 817 700 16.6% Inventories 632 885 (29%) Other current assets 156 175 (11%) Total current assets 1,687 1,864 (9%) Property, plant and