Page 1 No. CMC Sor Lor.012/2019 August 13, 2019 Re: Management Discussion & Analysis for the Period Ended 30 June 2019 To The President of the Stock Exchange of Thailand (SET) CHAOPRAYAMAHANAKORN

MD&A Q4_2019 (Eng ) February 19, 2020 Subject : Yearly Management Discussion and Analysis of 2019 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

. Total GRM increased by 5% YoY and 17% QoQ from the improved Market GRM that rose due to significant increase of production after the turnaround maintenance (TAM) , combined with crude cost that benefited

(loss) from exchange rate, and deduct interest income from loan to joint ventures and adjusting unrealized gain (loss) from exchange rate as well as non-recurring items. Management’s Discussion and

Page 1 of 4 No. RJH – SET 3/2020 24 February 2020 Subject : Management’s Discussion and Analysis for the 4th Quarter of 2019 To : The President The Stock Exchange of Thailand Rajthanee Hospital

and Exchange Commission No. Kor Jor. 4/2560 Re: Determination of the Definitions of Institutional Investor, Ultra-high Net Worth Investor and High Net Worth Investor ___________________________ By

Exchange Commission No. Kor Jor. 4/2560 Re: Determination of the Definitions of Institutional Investor, Ultra-high Net Worth Investor and High Net Worth Investor ___________________________ By virtue of

. Notification of the Securities and Exchange Commission No. Kor Jor. 4/2560 Re: Determination of the Definitions of Institutional Investor, Ultra-high Net Worth Investor and High Net Worth Investor

reference. 4 Notification of the Securities and Exchange Commission No. Kor Khor. 8/2554 Re: Approval for Undertaking Derivatives Business in the Category of Derivatives Brokerage Limited to Precious Metals

reference. Notification of the Securities and Exchange Commission No. Kor Khor. 8/2554 Re: Approval for Undertaking Derivatives Business in the Category of Derivatives Brokerage Limited to Precious Metals