Microsoft Word - 2019_Q3 Results Notification letter_English _1st draft__Nov 1 November 12, 2019 The Director and Manager The Stock Exchange of Thailand Re: Information on Operating Results for the

Microsoft Word - 1Q2020 Results Notification Letter _1st draft__ENG May 12, 2020 The Director and Manager The Stock Exchange of Thailand Re: Information on First Quarter of 2020 Operating Results KCE

Microsoft Word - 2Q2020 Results Notification letter - ENG August 11, 2020 The Director and Manager The Stock Exchange of Thailand Re: Information on Second Quarter of 2020 Operating Results KCE

used for its ordinary course of business. - Translation - 5 Please be informed accordingly Yours faithfully, - Signed - (Mr. Toshinori Osumi) Director

-term loans which were current liabilities used for its ordinary course of business. Please be informed accordingly Yours faithfully, - Signed - (Mr. Toshinori Osumi) Director

Konthong) Director Unit : Million THB Bank overdraft and short-term borrowings from financial institution 93.58 5.50% 93.15 5.92% 0.43 0.46% Trade and other current payables 235.50 13.84% 134.48 8.54% 101.02

Biotech Public Company Limited (Miss Suwarin Konthong) Director Unit : Million THB Bank overdraft and short-term borrowings from financial institution 77.95 4.47% 93.15 5.92% (15.20) -16.32% Trade and other

while the Company paid dividends to shareholders of THB 16.00 million in March 2021 and THB 28.80 million in September 2021. Sincerely yours, (Mr. Sompoch Tanutantivong) Director and Chief Financial

requirements of the revised regulations as well as providing guidelines for business operators accordingly. For further information and inquiries, please contact Ms. Sireethorn Civilize, Assistant Director, at

Honorable Mention of the 9th NACC Integrity Awards 2019” For further information and inquiries, please contact Ms. Sireethorn Civilize, Assistant Director, at Tel: 0-2263-6246 or email: sireetho@sec.or.th