the Year as at 31 December 2017 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are please to inform you our management discussion and

the Year as at 31 December 2017 (revised) To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are please to inform you our management

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

1 Ref : JSP/17/08/02 15 August 2017 Subject : Report the operating result for the quarter 2 Ending June 30, 2017 To : The Director and Manager The Stock Exchange of Thailand J.S.P. Property Public

-Translation- 1 -Translation- Ref. NCH 067/2017 November 10, 2017 Subject : Management’s Discussion and Analysis Q3/2017 Attention : President The Stock Exchange of Thailand N.C. Housing Plc. (“the

1 Ref : JSP/17/11/01 10 November 2017 Subject : Report the operating result for the quarter 3 Ending September 30, 2017 To : The Director and Manager The Stock Exchange of Thailand J.S.P. Property

1 Ref : JSP/17/11/01 10 November 2017 Subject : Report the operating result for the quarter 3 Ending September 30, 2017 (revise) To : The Director and Manager The Stock Exchange of Thailand J.S.P

November 12, 2017 Subject: Management Discussion and Analysis For the three-month period ended September 30, 2017 To: The President, The Stock Exchange of Thailand Home Pottery Public Company Limited

Palmer & Turner (Thailand) Ltd MJD.IR.003/2562 28 February 2019 Subject : Clarification of the operating result for the year 2018 ended December 31, 2018 To : Director and Manager The Stock Exchange