Mr. Amorn Meemano Mr. Amorn Meemano, the Chief Executive Officer responsible for the operation of AJ Advance Technology Public Company Limited (“AJA”), was liable for AJA’s failure to prepare and

Mr. Prasit Jiewkok Mr. Prasit Jiewkok, a chief executive officer, responsible for the operation of Mandawee Tour Co., Ltd. shall be liable for Mandawee Tour Co., Ltd. offer for sale newly issued

Mr. Arak Ratboriharn Mr. Arak Ratboriharn, chief executive officer and authorized director responsible for the operation of News Network Corporation Public Company Limited shall be liable for News

Mr. Kajonsit Singsansern Mr. Kajonsit Singsansern, chief Executive Officer who is responsible for the operation of Siamese Asset Public Company Limited (“SA”), shall be liable for SA offer for sale

Mr. Winyu Chaiyawan Mr. Winyu Chaiyawan, chief Executive Officer who is responsible for the operation of Thaicredit Retail Bank Public Company Limited (“TCR”), shall be liable for TCR offer for sale

Chye Tek Lionel as the Chief Executive Officer (CEO) to replace Mr. Lee Chye Cheng Adrian who was appointed as the Chief Operating Officer (COO), effective from 1 November 2018 onwards 3) Launched 2

1 (-Translation-) Ref. No. IRS.025/2019 October 31, 2019 Subject Acquisition of Shares in Hello Bangkok LED Co, Ltd., which is an Assets Acquisition Transaction of the Company, Issuance and Offering of the Newly Issued Ordinary Shares of the Company through a Private Placement which is a Connected Transaction, Capital Reduction, Capital Increase, Entering into the Right to Sell Advertising Media Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Call...

1 (-Translation-) Ref. No. IRS.025/2019 October 31, 2019 Subject Acquisition of Shares in Hello Bangkok LED Co, Ltd., which is an Assets Acquisition Transaction of the Company, Issuance and Offering of the Newly Issued Ordinary Shares of the Company through a Private Placement which is a Connected Transaction, Capital Reduction, Capital Increase, Entering into the Right to Sell Advertising Media Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Call...

1 (-Translation-) Ref. No. IRS.025/2019 October 31, 2019 Subject Acquisition of Shares in Hello Bangkok LED Co, Ltd., which is an Assets Acquisition Transaction of the Company, Issuance and Offering of the Newly Issued Ordinary Shares of the Company through a Private Placement which is a Connected Transaction, Capital Reduction, Capital Increase, Entering into the Right to Sell Advertising Media Agreement which is a Connected Transaction, Appointment of the Independent Financial Advisor and Call...

accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer - 1 - DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED AND ITS