Management Name : Mrs ANGKANA PANYAOPART | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 23/08/2016

Management Name : Mr ANDREW BENJAMIN WALZ | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 21/03/2017

Offeror : TDK CORPORATION | Date of submission of the Statement of Intention : 15/11/2007

Offeror : TDK CORPORATION | Date of submission of the Statement of Intention : 15/02/2008

Offeror : Mr. PETE BODHARAMIK | Date of submission of the Statement of Intention : 05/10/2016

Offeror : Mr. PETE BODHARAMIK | Date of submission of the Statement of Intention : 02/11/2016

Offeror : Mr. PETE BODHARAMIK | Date of submission of the Statement of Intention : 08/11/2016

EASTSPRING ASSET MANAGEMENT (THAILAND) COMPANY LIMITED|Feeder Fund ,Sector Fund | Offering Date : 28/01/2020 - 05/02/2020

EASTSPRING ASSET MANAGEMENT (THAILAND) COMPANY LIMITED|Feeder Fund ,Sector Fund | Offering Date : 05/09/2022 - 09/09/2022

EASTSPRING ASSET MANAGEMENT (THAILAND) COMPANY LIMITED|Feeder Fund ,Sector Fund,Super Savings Fund : SSF | Offering Date : 26/10/2020 - 30/10/2020