. DOD2019/004 February 20, 2019 Subject: Management’s discussion and analysis of the Company’s operating results for the year 2018 period To: President The Stock Exchange of Thailand DOD Biotech Public

Public Company Limited Management Discussion and Analysis Operating Results for the period year ended 31 December 2018 Page 2 of 4 T.K.S. TECHNOLOGIES \ THB million Y18 Y17 %Chg As Reported (% to Sales

RP-AC 001/2019 February 26, 2019 Subject Clarification of 2018 Operating Results To Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public Company Limited (RICHY) would like

Music Festival. The number of caravan services in 2018 also increased by more than 100%. Operating Results Overview Operating results of the Company for the year ended 31 December 2018 and 2017 are as

November 12, 2004 1/3 No: SN. 036/2017 May 11, 2017 Subject: Clarification of Operating Results and Financial Status the six-month period ended March 31, 2017 Attention: President The Stock Exchange

World Corporation Public Company Limited. Ref. World7-15-2017 4 Moo11 Hathai Rat Road, TumbonLatSawai, AmpurLumLukKa, PathumThani Province 31 July 2017 Subject: The reported operating results for the

) 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

: Clarification for the three month period ended June 30, 2017 operating results. To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for

% aligning with increasing sale volumes. Also, the Company’s operating profit was at 74.01 million baht, which dropped by 86.79 million baht. (unit: million baht) Quarter 3/2017 Quarter 3/2016 %YoY Sales and

ที่ - Translation - PorBor.076 / 2017 November 14, 2017 Subject: Clarification of operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand