WINSOUND (THAILAND) COMPANY LIMITED During the month of June 2014, Mr. Amorn Meemano (“Mr. Amorn”) at the time holding the positions of Chief Executive Officer and Managing Director of Crown Tech

Mr. Roongroj Saengsastra Mr. Roongroj Saengsastra , while being Chief Executive Officer and Director of Royal Ceramic Industry Public Company Limited (RCI) and Chief Executive Officer and Chairman

Bitkub Online Co., Ltd Bitkub Online Co., Ltd. (Bitkub) by Mr. Sakolkorn Sakavee, Chief Executive Officer and authorized director, entered into a market maker agreement with Mr. Anurak Chueachai

Satang Corporation Co., Ltd Satang Corporation Co., Ltd. (Satang) by Mr. Poramin Insom, Chief Executive Officer and authorized director, entered into a market maker agreement with LLC Fair Expo by Mr

Bitkub Online Co., Ltd Bitkub Online Co., Ltd. (“Bitkub”) by Mr. Sakolkorn Sakavee, Chief Executive Officer and authorized director, entered into a market maker agreement with Mr. Anurak Chueachai

Satang Corporation Satang Corporation Co., Ltd. (Satang) by Mr. Poramin Insom, Chief Executive Officer and authorized director, entered into a market maker agreement with LLC Fair Expo by Mr. Mikalai

Mr. Poramin Insom Satang Corporation Co., Ltd. (Satang) by Mr. Poramin Insom, Chief Executive Officer and authorized director, entered into a market maker agreement with LLC Fair Expo by Mr. Mikalai

to stimulate economy through domestic consumption.   The SEC has considered it is appropriate to announce that 12 February and 24 September 2021 are special holidays for securities companies and

investment based on credit ratings by categorized them into domestic debt instruments and foreign debt instruments. For example: Weight according to credit rating Domestic National International Govt bond AAA

them into domestic debt instruments and foreign debt instruments. For example: Weight according to credit rating Domestic National International Govt bond AAA 5% 5% 5% AA 5% 15% 5% A 15% 15% BBB 15% 5