: The Director and Manager The Stock Exchange of Thailand The Company would like to report the operating results for the 2nd Quarter ended June 30, 2018 that total revenue was at THB8.94 million

SN.LK.024 /2018 November 12, 2018 Subject : Management Discussion and Analysis for the 3rd quarter ended September 30, 2018 Attn : The President The Stock Exchange of Thailand Indara Insurance Public

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 19/2018 November 14, 2018 To : The President The Stock Exchange

หนา้ 1/1 NO. FA61-900 14 November 2018 Subject : Management Discussion and Analysis of operating performance for 3rd quarter, 2018 Attention : President of the Stock Exchange of Thailand JCK

I - Translation - Ref : LPH/SET 2019/012 November 13, 2019 Subject : Clarification on the Operating Results for the three-month period ended September 30, 2019 (Q3/2019) To : President The Stock

MATI 12/2562 November 14, 2019 Subject Report on Nine-Month Period Consolidated Financial Statement which ended on September 30, 2019 To Director and Manager, The Stock Exchange of Thailand Matichon

ED-MD2020-0028 6th August 2020 Subject Clarification of changes in excess of 20% in the operating results for year Q2/2020 To Director and General Manager The Stock Exchange of Thailand Eureka Design

หนา้ 1 จาก 1 Translation August 13, 2020 Subject: Management explanation and analysis for Year ended 30 June 2020 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

Manager of the Stock Exchange of Thailand For the Q2/2020 period ended of June 30, 2020 operating result of the company net profit Baht 37.97 Million comparison with the previous Q2/2019’s net loss of Baht

MATI 10/2563 August 14, 2020 Subject Consolidated Financial Report for the six-month period which ended at June 30, 2020 To Director and Manager, The Stock Exchange of Thailand Six-month period