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

Ref. DBP. 068 / 2018 May 14, 2018 Subject : Clarification on operating results for the 1st Quarter ending March 31, 2018 To : President The Stock Exchange of Thailand Diamond Building Products Public

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

Global Green Chemicals Public Company Limited Management Discussion and Analysis For the Operating Results of 1Q2020 P a g e | 2 - Management Discussion and Analysis 1Q2020 - Executive Summary In

Ref. DBP. 066 / 2020 May 11, 2020 Subject : Clarification on Operating Results for the 1st Quarter ending March 31, 2020 To : President The Stock Exchange of Thailand Diamond Building Products Public

Company has shares or convertible securities as an underlying securities for issuance of investment units of mutual funds for foreign investors (Thai Trust Fund) and the Non-Voting Depository Receipts (NVDR

funds for foreign investors (Thai Trust Fund) and the Non-Voting Depository Receipts (NVDR), specify the number of shares and the number of the underlying shares of the convertible securities which are

บริษทั พาโตเคมอุีตสาหกรรม จ ากดั (มหาชน) PATO CHEMICAL INDUSTRY PUBLIC CO., LTD. Pato Building, 3388 New Petchburi Road, Bangkok 10310, Thailand Tel: (+662) 318-0360 Fax: (+662) 318-0367 E-mail

Public Company Limited (“the Company”), has resolved the capital increase of WCIH from THB 1,160,000,000 to THB 1,740,000,000 by issuing 58,000,000 newly ordinary shares with par value of THB 10 per share