Quarterly Ending March 31, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 2/2018 dated May 10, 2018

Quarterly Ending June 30, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 3/2018 dated August 3, 2018

ended up 21.5% and export sales 78.5%. The Company reported gain from foreign exchange hedging at Baht 8.3 million. Other income from sales of scraps, obsolete equipment reported at Baht 2.5 million

equipment in the Hydrocracker unit, leading to limited fuel supply. Consequently, stock management had to be put in effect as to not affect the retail channel, which is the main sales channel. 2. Net

and Analysis for Year Ending December 31, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 1/2019

19 September 2005 - Translate – Ref. HF 0044 / 2019 February 25th, 2019. Subject : Disclosure of Connected Transaction. Attn : Managing Director of the Stock Exchange of Thailand. According to the

ABICO 011/KV/2017 August 10, 2017 Subject : Explanation on operation result for the Quarter ended June 30, 2017. To : Director and Manager Stock Exchange of Thailand Abico Holdings Public Company

ABICO 01 /KV/2017 November 9, 2017 Subject : Explanation on operation result for the Quarter ended September 30, 2017. To : Director and Manager Stock Exchange of Thailand Abico Holdings Public

ABICO 012/KV/2017 November 10, 2017 Subject : Explanation on operation result for the Quarter ended September 30, 2017,(Edit) To : Director and Manager Stock Exchange of Thailand Abico Holdings

ABICO 002/KV/2018 February 2 , 2018 Subject : Explanation on operation result for the year ended December 31, 2017. To : Director and Manager Stock Exchange of Thailand As Abico Holdings Public Co