, 2020 Re: Clarification of 2nd Quarter 2020 operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand World corporation

73 1 / 4 (Translation) Ref. MD.005/2020 28th February 2020 Subj Management Discussion and Analysis (MD&A) of 2019 (Edit) Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and

-Translation- 1 -Translation- Ref. NCH 024/2020 May 11, 2020 Subject : Management’s Discussion and Analysis 1Q/2020 Attention : Director and Manager The Stock Exchange of Thailand N.C. Housing Plc

: The President of the Stock Exchange of Thailand The Company would like to provide details of changes in profit and loss of the first quarter 2020 interim consolidated financial statements of Wave

73 1 / 4 (Translation) Ref. MD.005/2020 28th February 2020 Subj Management Discussion and Analysis (MD&A) of 2019 Dear Managing Director of Stock Exchange of Thailand We, Patum Rice Mill and Granary

of Shares of Trans.Ad Solutions Co., Ltd. (Added) Attention: Director and Manager The Stock Exchange of Thailand (SET) The Board of Directors’ meeting of Nation International Edutainment Public Company

26 February 2019 Subject: Management Discussion and Analysis for the Year Ended December 31, 2018 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public Company Limited

OVER 20 PERCENT FOR 3rd QUARTER AND 9-MONTH PERIOD 2018, COMPARE TO THE PREVIOUS YEAR ATTENTION PRESIDENT, THE STOCK EXCHANGE OF THAILAND Khon Kaen Sugar Industry Public Company Limited and its

According to the referral from the Stock Exchange of Thailand (SET) and the SEC’s further investigation, (1) Polyplex Corporation Limited (PCL), which directly holds 16.5 percent of PTL shares and

-1- Ref. FPI. 013/2019 14 November 2019 Subject: Approve the increase in capital investment in ALP FPI PARTS PRIVATE LIMITED in India. To: Board of Directors and President of The Stock Exchange of