Period As Of Details HARN ENGINEERING SOLUTIONS PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 HARN ENGINEERING SOLUTIONS PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 HARN

Period As Of Details FIRETRADE ENGINEERING PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 FIRETRADE ENGINEERING PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 FIRETRADE

Period As Of Details UNIQUE ENGINEERING AND CONSTRUCTION PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 UNIQUE ENGINEERING AND CONSTRUCTION PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2

Date Amount Average Price (baht) The methods of Acquisition/Disposition Remark GENERAL ENGINEERING PUBLIC COMPANY LIMITED (GEL) Mr. THITIPONG TANGPOONPHONVIVAT Reporter Common Share 05/04/2018 1,014,700

ละเอียด UNIMIT ENGINEERING PUBLIC COMPANY LIMITED 2023 26/03/2024 UNIMIT ENGINEERING PUBLIC COMPANY LIMITED 2022 30/03/2023 UNIMIT ENGINEERING PUBLIC COMPANY LIMITED 2021 31/03/2022 UNIMIT ENGINEERING

the issuer’s core business. In any event, the issuer must not operate business in such a way that involves severely illegal business. For example, human trafficking, drug production or smuggling, or

The International Engineering Public Company Limited The International Engineering Public Company Limited (“IEC”) has failed to submit the reviewed financial statement for Q1/2017 to the SEC and the

involves severely illegal business. For example, human trafficking, drug smuggling or money laundering etc. Moreover, the issuer must not act in violation or non-compliance with the law, which may cause

Derivative Warrants | STEC19C2009A | DERIVATIVE CALL WARRANTS ON SINO-THAI ENGINEERING AND CONSTRUCTION PUBLIC CO.,LTD. ISSUED BY YUANTA SECURITIES (THAILAND) COMPANY LIMITED LAST TRADING IN

Derivative Warrants | GUNK27C1511A | DERIVATIVE CALL WARRANTS ON GUNKUL ENGINEERING PUBLIC COMPANY LIMITED ISSUED BY RHB OSK SECURITIES (THAILAND) PUBLIC COMPANY LIMITED LAST TRADING IN NOVEMBER 2015