Ref Ref. HF 0123 / 2017 September 20th, 2017 Subject : Notification of the Resolution of the Board of Directors No.5/2017. To : Director and Manager of The Stock Exchange of Thailand. We, Hwa Fong

Ref Ref. HF 0123 / 2017 September 20th, 2017 Subject : Notification of the Resolution of the Board of Directors No.5/2017. (Additional) To : Director and Manager of The Stock Exchange of Thailand. We

performance for 3-month period ended September 30, 2017. To Managing Director The Stock Exchange of Thailand The Operating results of the company and its subsidiaries for the 3-month period ended September 30

1 10 November 2017 Subject: Explanation of operating result in the financial statement ended 30 September 2017 To: Directors and Managers of the Stock Exchange of Thailand With reference to the

year. Dear Directors and Managers The Stock Exchange of Thailand, C.I. Group Public Company Limited hereby reports financial statements for the third quarter ended 30 September 2017 as follow; Revenue

1 12 February 2018 Subject: Explanation of operating result in the financial statement ended 31 December 2017 To: Directors and Managers of the Stock Exchange of Thailand With reference to the

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 1/2019 February 28, 2019 To : The President The Stock Exchange

May 15, 2019 Subject : Management Discussion and Analysis for quarter ended March 31, 2019 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1 Revenues Consolidated

President The Stock Exchange of Thailand The Company wishes to present the Management Discussion & Analysis (MD&A) on the operating and financial status for the 2nd quarter of 2019. The MD&A would enable the

May 12, 2018 Subject : Management Discussion and Analysis for quarter ended March 31, 2018 Attention : President The Stock Exchange of Thailand 1. Operating Performance . Revenues (Thousands Baht