Stock Exchange of Thailand 1. Overview financial performance of E for L Aim Public Company Limited (“EFORL” or “the Company”) and its subsidiaries (collectively as “the Companies”) for Q3/2017 Financial

(Translation) 9 April 2019 Subject: Disclosure of Additional Information on the Tender Offer for the Securities of Glow Energy Public Company Limited (Form 247-4) No.1 Attention: Secretary-General

Company Limited (“the Company”) has resolved in the meeting No.6/2019 held on July 17, 2019. The significant resolutions are as follows: 1. Approved the minutes of the Boards of Directors’ Meeting No. 5

ที่ กตพ Ref. DBP. 030 / 2019 February 20, 2019 Subject : Clarification on Operating Results of Year 2018 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited

Ref. DBP. 024 / 2020 February 25, 2020 Subject : Clarification on Operating Results of Year 2019 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its

Limited (Mr. Satid Sudbuntad) Chief Executive Officer - 1 - DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED AND ITS SUBSIDIARY MANAGEMENT DISCUSSION AND ANALYSIS (For the Consolidated Financial Statements

Products Public Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial statements for the 1st

Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial statements for the 1st quarter ending

Diamond Building Products Public Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial

Thailand Diamond Building Products Public Company Limited and its Subsidiary (together referred to as “Corporate Group”) would like to clarify on the operating results according to the consolidated financial