(Translation) IR 003/19 February 27, 2019 President and Director The Stock Exchange of Thailand Subject : To explain the

1 - TRANSLATION - KT/PB (Q-Con) 012/2019 May 9, 2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the first quarter ended 31 March 2019

May 13, 2019 SET-19-AC-002 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the three months ended March 31, 2019 According to the resolution of

13 May 2019 Subject: Management Discussion and Analysis for the Quarter 1 Ending 31 March 2019 Attention: President Stock Exchange of Thailand Please find below the additional information supporting

Announcement of 2006 Public Holidays HPIR /006 14 May 2019 Subject : Management Discussion and Analysis of the operating performance for the 1st quarter of 2019 Attention : The President of the Stock

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 12/2019 May 15, 2019 To : The President The Stock Exchange of

6,800 tons in this quarter, therefore, the company recorded methyl ester sales volume at 111,590 tons, an increase of 21,490 tons or 24% compared to the same quarter of the previous year. Meanwhile fatty

Manager of the Stock Exchange of Thailand For the Q2/2019 period ended of June 30, 2019 (3 months) operating result of the company net loss Baht 6.47 Million comparison with the previous Q2/2018’s net loss

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 17/2019 August 14, 2019 To : The President The Stock Exchange

2019-08-15 - ชี้แจงเปลี่ยนแปลงมากกว่า 20% Q2-2562 - ENG August 15, 2019 Subject: The clarification of the quarter 2/2019’s profit changing more than 20% Attention: The President The Stock Exchange of