Management Name : Mr SOMBATI PUNGSRINONT | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 07/12/2017

Management Name : Mr SOMBATI PUNGSRINONT | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 08/12/2017

Management Name : Miss SUWATHIP PORNSUWANNAPHA | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 02/06/2017

Management Name : Mr ROJANASAK CHOMVILAILUK | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 28/06/2016

Management Name : Miss PLOY SITTICHAISRICHART | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 02/06/2017

Management Name : Miss PLOY SITTICHAISRICHART | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 08/12/2017

ที่ กม (TRANSLATION) No. Gor.Mor. 25/2561 May 15, 2018 President The Stock Exchange of Thailand Dear Madam, Transaction of Warehouse Lease with Related Persons The Board of Directors’ Meeting of

Distribution of Newly Issued Shares and Share Warrants by Issuer

, attributed to 4% growth of Chemical distribution business which rose from 257.5 mil. baht to 267.0 mil. baht whereas Commission income dropped 2.6 mil. baht. Income from Property rental plunged by 20% from

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