year-end of 2018, or decreased by Baht 27.4 Million or 2.6%. Respectfully Yours, (Mr. Charoen Rujirasopon, Mrs. Niramon Rujirasopon) Authorized Directors

the year ended December 31, 2019 To Director and Manager the Stock Exchange of Thailand According to the Board of Directors’ Meeting No.2/ 2 0 2 0 of DOD Biotech Public Company Limited ( “ the Company

RP-AC 001/2020 February 27, 2020 Subject Clarification of 2019 Operating Results To Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public Company Limited (RICHY) would like

cadmium litigation according to the latest court ruling which was already recognized in Q1 2017. To reflect the current existing value of assets as approved by the company’s Board of Directors May 5 th

) August 9, 2017 Re : Report the operating result for the year ended June 30 ,2017 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of

% Administrative expenses -97 -136 -39 -29% -78 -111 -33 -30% Directors' s Remuneration -2 -2 0 0% -2 -2 0 0% Management's Remuneration -14 -14 0 0% -13 -13 0 0% Finance cost - Interest expenses -8 -7 1 14% -5 -5 0

. The Board of Directors Meeting no. 7/2017 held on August 11, 2017 have reassessed the current situation including the ability and intention of RF Vision Company Limited and guarantor to repay in the

) November 8, 2017 Re : Report the operating result for the year ended September 30 ,2017 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of

Stock Exchange of Thailand Dear Sir, With reference to the Minutes 11/2017 of the Company Directors’ meeting dated November 13, 2017, the Board resolved to approve the reviewed financial statements of

15 November 2017 Subject: Management Discussion and Analysis for the 9-Month Period Ended September 30, 2017 To: Directors and Managers The Stock Exchange of Thailand Halcyon Technology Public