Limited and (4) Asia Pacific Drilling Engineering Company Limited. This case is under consideration by the court of first instance. SEC Act S.312 281/2 paragraph 2 in conjunction with 89/7 and 89/7 in

Songkhla Company Limited and (4) Asia Pacific Drilling Engineering Company Limited. The public prosecutor issued a final non-prosecution order. The case was deemed final. SEC Act S.312 281/2 paragraph 2

Songkhla Company Limited and (4) Asia Pacific Drilling Engineering Company Limited. This case is under consideration by the court of first instance. SEC Act S.312 281/2 paragraph 2 in conjunction with 89

Mr. Woraphant Chontong Mr. Woraphant Chontong while being a director, executive director and senior executive vice president of financial and administration division of Sino-Thai Engineering and

Mr. Sunthorn Srimai Mr. Sunthorn Srimai rendered assistance and support for Mr. Bhusana Premanode, while being director and executive of International Engineering Public Company Limited (IEC

Jarunun Asavadumrongchai Acquisition Stock 4.4857 6.262 10.7477 16/07/2021 4.4857 6.262 10.7477   246012192107-1 AEC Mr. Luchai Pukananan Disposition Stock 10.4711 6.262 4.2091 16/07/2021 10.4711 6.262

| Stock in SET100 | Offering Date - 04/10/2019 - 17/03/2020

Derivative Warrants | SCC19C2003B | DERIVATIVE CALL WARRANTS ON THE SIAM CEMENT PUBLIC COMPANY LIMITED ISSUED BY YUANTA SECURITIES (THAILAND) COMPANY LIMITED LAST TRADING IN MARCH 2020 # B | Stock in

| Stock in SET50 | Offering Date - 11/10/2019 - 03/04/2020

Derivative Warrants | HMPR41C2003A | DERIVATIVE CALL WARRANTS ON HOME PRODUCT CENTER PUBLIC COMPANY LIMITED ISSUED BY JPMORGAN SECURITIES (THAILAND) LIMITED LAST TRADING IN MARCH 2020 # A | Stock in