after theacquisition/disposition and the person(s) under Section 258 of the Securities and Exchange Act B.E.2535 . Preliminary version: incomplete and/or being reviewedinformation. Revised version: new

Stock Exchange of Thailand Ferrum Public Company Limited (“the Company”) would like to report the resolution of the Board of Director Meeting No.4/2018, held on March 23, 2018 that the Company has

Ref: FASET 01/2562 February 26, 2019 Subject: Report the operating result for the year ended December 31, 2018 To: President of the Stock Exchange of Thailand Seamico Securities Public Company

DATE: 1 NPPG.015/2019 February 26, 2019 Subject Management’s Discussion and Analysis for the year 2018 Attention The President The Stock Exchange of Thailand Management’s Discussion and Analysis (MD

ที่ กบร No. Kor Bor Ror. 032/2017 November 9, 2017 President The Stock Exchange of Thailand Re : Increase of the investment proportion in the ordinary shares of Pattaya Manufacturing Co., Ltd. Dear

No CS 03/2018 February 21, 2018 Subject Declaration of Operational Results for the Year 2017 Attention Directors and Managers The Stock Exchange of Thailand For the three-month period ended December

Subject: Management Discussion and Analysis - for the period of 1Q2019. To: The President of Stock Exchange of Thailand B-52 Capital Public Company Limited (“the Company”) would like to notify the operating

ที่ กม (TRANSLATION) No. Gor.Mor. 48/2562 November 7, 2019 Subject: Warehouse Lease Transaction with Related Persons To : Director and Manager The Stock Exchange of Thailand The Board of Directors

Subject Notification of disposal of shares in the subsidiary (revised subject and additional content) To The President of The Stock Exchange of Thailand The Meeting of the Board of Director Meeting of

Subsidiary’s Machines for the Debenture Debt repayment To: President The Stock Exchange of Thailand Reference: Letter of Rich Asia Corporation Public Co., Ltd. No. PorBor. 001/2020 dated January 6, 2020 and