No. WHAUP-CS014-2562 1 8 August 2019 Re Share Acquisition in Duong River Surface Water Plant JSC in Vietnam Dear President The Stock Exchange of Thailand WHA Utilities and Power Public Company

representation or warranty of any type whatsoever on the accuracy or completeness of the information contained herein. หนา้ 1 1. Executive Summary The overall business operation of the company in 2019 is

Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Calling the Extraordinary General Meeting of Shareholders No. 2/2019 To The President The Stock Exchange of

-1 -Translation- Ref. LPN/SorKor/146/2562 9th May 2019 Re: Financial Statements Analysis Report Q1/2019 Dear: President The Stock Exchange of Thailand L.P.N. Development Public Co.,Ltd. would like to

and private sectors, Thailand Responsible Business Network (TRBN) and allies therefore launched the “Send Plastic Home” project to promote the “sort at home, drop with us” campaign. They also provided

Bangchak Corporation Plc. Management Discussion & Analysis of Business Operation For the quarter ended September 30th, 2019 Management Discussion and Analysis of Business Operation for Q3/2019

members to ensure efficient derivatives clearing and settlement, including in the case of default on the obligations; (4) business continuity management, with measures that meet international standards in a

1 --Translation-- Sor Gor 7/2018 January 19, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Unaudited) To: The President The Stock Exchange of Thailand

1 --Translation-- Sor Gor 11/2018 February 22, 2018 Subject: Management Discussion and Analysis for the year ended December 31, 2017 (Audited) To: The President The Stock Exchange of Thailand

แบบแสดงรายการข้อมูลสำหรับการเสนอขายหลักทรัพย์ (แบบ 69-1) 1 No. WHAUP-CS024/2017 November 10, 2017 Attention: Managing Director – Stock Exchange of Thailand Subject: Report of Financial Results for