. -Increased revenue from sales of machinery equipment and engineering services realized via deliveries in the 1st and 2nd quarter of 2017. -Decreased financial expenses due to further debt reduction and

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

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

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

sales of assets 18.31 Million Baht was 16.58 Million Baht or 954.28% increase from the last year due to a subsidiary company stop operation therefore, sales of machinery and equipment manufacturing. 2

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

useful lives with reference to the Health Study Report from an independent engineering expert and the repair and maintenance of buildings, machinery and equipment. This is considered the Change in

Bangkok, 31 October 2017 ? The SEC has filed criminal complaints against former directors and executives of The International Engineering Public Company Limited (IEC) and their associates, totaling