Comments on: “Trading costs on the Stock Exchange of Thailand” Authors: Charoenwong C., Ding D.K., Jenwittayaroje N. Comments on: “Risk-taking behaviour during downturn: evidence of loss-chasing and

ที่ หทว No. Kor Bor Ror. 037/2017 December 25, 2017 President The Stock Exchange of Thailand Re : Notification of the dissolution of Pattaya Lamphun Co., Ltd. Dear Sir, Thai Wacoal Public Company

_ Ocean Commerce Public Company Limited 148/1 Soi Ramintha 14, Ramintra Road , Tharang, Sub - District Bangkok 10230 Tel: 02-943-6663-4 Fax: 02-943-6343 02-943-7740 No. OCMSET/1805/001 (translation

: The Director and Manager The Stock Exchange of Thailand The Company would like to report the operating results for the 2nd Quarter ended June 30, 2018 that total revenue was at THB8.94 million

_ Ocean Commerce Public Company Limited 148/1 Soi Ramintha 14, Ramintra Road , Tharang, Sub - District Bangkok 10230 Tel: 02-943-6663-4 Fax: 02-943-6343 02-943-7740 No. OCMSET/1708/001 (translation

_ Ocean Commerce Public Company Limited 148/1 Soi Ramintha 14, Ramintra Road , Tharang, Sub - District Bangkok 10230 Tel: 02-943-6663-4 Fax: 02-943-6343 02-943-7740 No. OCMSET/1902/001 (translation

No. MVP005/2019 9 May 2019 Subject: Management Discussion and Analysis for the 3-month period ended 31 March 2019 To: President and Manager The Stock Exchange of Thailand M Vision Public Company

No. MVP007/2019 8 August 2019 Subject: Management Discussion and Analysis for the 6-month period ended 30 June 2019 To: President and Manager The Stock Exchange of Thailand M Vision Public Company

(-Translation-) Ref. No. Sor. Nor. 065/2019 August 9, 2019 Dear The President The Stock Exchange of Thailand Re: The Incorporation of a New Subsidiary Company in Thailand The Board of Directors

February 2020 Subject: Clarification of the operating results for the year ended 31 December 2019, change of rate more than 20 percent To: Director and Manager The Stock Exchange of Thailand Ocean Commerce