ที่ กตพ Ref. DBP. 080 / 2018 May 31, 2018 Subject : Connected Transaction in Respect of Office Lease Agreement Extension To : President The Stock Exchange of Thailand Diamond Building Products Public

รายงานการประชุมคณะกรรมการตรวจสอบ ครั้งที่ 4/2548 Ref. No.: SET-2017-025 December 14, 2017 Subject: Acquisition of Franchise 25 Branches from total 113 Branches from “Wuttisak” (Revised 2) Attn. To

1/2 Ref: CIG 015/2018 March 12, 2018 Subject: Profit and loss reporting the financial statements for the year ended December 31, 2017 and explanation of more than 20 percent fluctuation in profit and

Page 1 of 2 Ref. PDI/BK-BS-41/2018 11 th May 2018 To: President The Stock Exchange of Thailand Re: Clarification on Company’s performance of the 1 st Quarter 2018 For the first quarter of 2018

-Translation - Ref. APURE 002/2019 February 22, 2019 Subject : Financial Position and Operating Performance of year 2018 Attention : The Director and President of the Stock Exchange of Thailand

-9320 1 Ref: PCL 2020/004 February 24, 2020 Subject: Management Discussion and Analysis Yearly Ended 31 December 2019 To: The President of the Stock Exchange of Thailand Panjawattana Plastic Public

I - Translation - Ref : LPH/SET 2020/004 February 25, 2020 Subject : Clarification on the Operating Results for Year 2019 period ended December 31, 2019 To : President The Stock Exchange of Thailand

1 Ref: CIG 003/2563 February 26, 2020 Subject: Profit and loss reporting for the year 2019 and explanation of more than 20 percent fluctuation in profit and loss compared to that of last year. To

-Translation- 1 -Translation- Ref. NCH 008/2020 February 28, 2020 Subject: Management Discussion and Analysis Yearly Ending 31 Dec 2019 Attention: President The Stock Exchange of Thailand N.C

Microsoft Word - CS 2560-017 Q2 to SET (T_E) [ TRANSLATION ] Our Ref. JTS/CS-017/2560 August 10, 2017 Subject : Report on the Company’s operating results of the second quarter of the year 2017 To