on October 29, 2004. Please be informed accordingly and further inform the investors. Yours sincerely, ( Miss Pakatip Lopandhsri ) Director and Senior Vice President

accordingly, Yours sincerely, ( Miss Kanoknart Ratanasuwanachart ) Director Bangkok Dec-con Public Company Limited

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No GENCO Miss Nantakarn Thingprapan Acquisition Stock

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No JMART Miss Yuvadee Pong-acha Disposition Stock 11.6876

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No GC Miss Varunya Chatphiriyaphan Acquisition Stock 4.995

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No UKEM Miss Chatprapa Suwannapasri Disposition Stock

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No JMART Miss Yuvadee Pong-acha Disposition Stock 11.6876

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No CEYE Miss Suwanee Suwansaengroj Disposition Stock

Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No ONEE Miss Poramaporn Prasarttongosoth Disposition Stock

SEC held the “SMEs’ Road to the Thai Capital Market” seminar on Thursday, 19 December 2019. SEC Deputy Secretary-General Sirivipa Supantanet, delivered an opening speech, and Miss Ariyaporn