-9320 1 Ref: PCL 2020/011 May 11, 2020 Subject: Management Discussion and Analysis for the 3-month period ended 31 March 2020 To: The President of the Stock Exchange of Thailand Panjawattana Plastic

May 14, 2020 Re: Clarification of the operating results of company and its subsidiaries for the three months period end March 31, 2020 To: President The Stock Exchange of Thailand K.C. Property

(Translation) 1/4 November 16, 2020 Re: Clarification of the operating results of company and its subsidiaries for the nine months period end September 30, 2020 To: President The Stock Exchange of

-Translation- 1 -Translation- Ref. NCH 040/2019 November 8, 2019 Subject : Management’s Discussion and Analysis Q.3/2019 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the

results for the nine-month period of 2019, change of rate more than 20 percent Dear Director and Manager The Stock Exchange of Thailand According to the resolution of the Board of Directors of DOD Biotech

(Ending September 30, 2019) To Director and Manager of the Stock Exchange of Thailand Ubis (Asia) Public Company Limited (“the Company”) would like to clarify on the performance and the financial for Q3

Ref. APURE 024/2023 August 15, 2023 Subject : Financial Position and Operating Performance of year 2022 (Revise) Attention : The Director and President of the Stock Exchange of Thailand Financial

Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 7/2019 of General Engineering Public Company Limited (“the Company”) held on November 14, 2019 has approved and verified the

SAAM Energy Development Public Company Limited - 1 - 21 February 2020 Subject: Management Discussion and Analysis for the year ended 31 December 2019 To: The President The Stock Exchange of Thailand

25 July 2017 To: The President The Stock Exchange of Thailand Re: Q2-2017 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2- 2017 (Apr-Jun