-1- AIT (VP-SEC) 017E/2022 May 12, 2022 Subject: Management's Discussion and Analysis of Operating Results for Q1-2022 To: The President of the Stock Exchange of Thailand Summary of Operations Q1

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

the previous yearly. To: The President The Stock Exchange of Thailand In the fourth quarter of the year, the Thai economy grew by only 2.4%, which is contracted according to domestic factors. Especially

1 No. EPG-CS-012-2017 12 December 2017 Subject: Acquisition of business in Australia To: President The Stock Exchange of Thailand The Eastern Polymer Group Public Company Limited (the “Company

% compared with the same period of the previous year To: The President The Stock Exchange of Thailand As a result of the global economic contraction and the economy of Thailand in 2018, there is a slowdown to

-9320 1 Ref: PCL 2019/008 May 8, 2019 Subject: Management Discussion and Analysis Quarterly Ended 31 March 2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public Company

Microsoft Word - EKH_62-017_SET-MD&A_620513_Q1-62_EN   EKH/CS/2019/017 13 May 2019 Subject: Management Discussion and Analysis for the first quarter 2019 results To Directors and Manager The Stock

-9320 1 Ref: PLC 2018/009 May 11, 2018 Subject: Management Discussion and Analysis Quarter 1 Ended 31-Mar-2018 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public Company

the previous quarterly To: The President The Stock Exchange of Thailand Thailand's economic outlook for the year 2018 is likely to be bright. After seeing a clear recovery in the last quarter of last

previous year To: The President The Stock Exchange of Thailand Thailand's economic outlook for the year 2018 is likely to be bright. After seeing a clear recovery in the last quarter of last year, private