Reporting Person : - | Type of securities : - | Date of reporting obligation : 10/10/2011

Reporting Person : - | Type of securities : - | Date of reporting obligation : 19/09/2003

Reporting Person : - | Type of securities : - | Date of reporting obligation : 29/09/2008

Reporting Person : - | Type of securities : - | Date of reporting obligation : 08/10/2008

Corporate Engagement” ในงานสัมมนา “Corporate Sustainability and Environmental Rights in Asia Conference” ภายใต้ธีม “Beyond Disclosure: Charting Asia’s Corporate Stakeholder Engagement Ecosystem” โดยได้เน้นย้ำ

Statement 21 Financial Ratios 23 Environmental Management Accounting Management Discussion and Analysis of Business Operation for 1Q/2018 Bangchak Corporation Plc. I 3 Executive Summary Summary of the Company

preparations for economic, social and environmental changes, which will lead to the increase in opportunities and competitiveness. The Company may provide a brief description as deemed appropriate. In addition

(if any). The objective is to demonstrate the Company’s continuing development to serve the needs of the stakeholders and to make preparations for economic, social and environmental changes, which will

actions to alleviate the impact and whether the actual results over the past three years have complied with the law. In case of disputes or legal complaints on environmental issues, specify the details of

part of the 3E project (Efficiency, Energy, and Environmental Project), lowering the cost of producing electricity and steam 9 | Management Discussion and Analysis of Business Operation for the year 2017