Age      64 years

Present Position    Director, Nomination and Remuneration Committee and Chairman of the Executive Committee

Education    Associate’s Degree

Training Program        

• Director Accreditation Program (DCP) class139/2017

Type of directors                Non – Executive Director

Date of appointment

• On 3 May 2017 (registered as a public company limited)
• On 27 July 2020
• On 20 April 2023

Length of Serviced   8 years 11 months (accumulated until April 22, 2026)

Experience

Directorship(s) in Listed Company

2015 – present        Director and Chairman of the Executive Committee of Sahathai Terminal Public Company Limited.

Directorship(s) in Related Companies

2017 –  present       Director of Bangkok Trucking Service Co., Ltd.

2017 – present        Director of Bangkok Container Depot Service Co., Ltd.

2016 – present        Director of Bangkok Barge Service Co., Ltd.

2015 – present        Director of Bangkok Barge Terminal Co., Ltd.

Directorship(s) in Other Company

2019 – present        Director of Inter Solar Roof Co., Ltd.

2019 – present        Director of SWCK Co., Ltd.

2016 – present        Director of K2 Laem Chabang Prooperty Co., Ltd.

2015 – present        Director of Wichit Holding Co., Ltd.

2015 – present        Director of Nagoya Steel Co., Ltd.

2014 – present        Director of Rattana Holding Co., Ltd.

2014 – present        Director of Sirivilai Holding Co., Ltd.

2014 – present        Director of WPM Development Co., Ltd.

2013 – present        Director of Sahathai Property and Development Co., Ltd.

2012 – present        Director of J.P. Land and house Co.,Ltd.

2011 – present        Director of Zumonic Co.,Ltd.

2010 – present        Director of CSI newgroup Co.,Ltd.

2010 – present        Director of Metallic Construction Materials Co., Ltd.

2010 – present        Director of Metallic Pipe Mill Co., Ltd.

2004 – present        Director of Q.A. Logistic Co., Ltd.

2003 – present        Director of CSI Land and house Co.,Ltd.

2002 – present        Director of Navaporn Karnkah Sakol Co.,Ltd.

2000 – present        Director of Metallic Steel Pipe Co., Ltd.

1995 – present        Director of Metallic Steel Center Co., Ltd.

1994 – present        Director of Rising Steel Co., Ltd.

Directorship(s) in Other  -None-

Former Last 5 years

2005 – 2022                     Director of MIC overseas trading Co., Ltd.

2005 – 2022                      Director of metallic section steel corporation Co., Ltd.

1999 – 2022                      Director of metallic steel center Co., Ltd.

1986 – 2022                      Director of Chulavej polycling Co., Ltd.

2011– 2021        Director of Sahathai Steel Pipe Public Company Limited

Percentage of the company’s shareholding           823,020 shares, 0.14% (as of December 30, 2025)

Connected Business that may cause conflict of interest Legal record in the last 5 years      -None-

Family Relationship with Other Directors and Executives      Mr. Suchin Rattanasirivilai (Nephew)

Note:  Mr. Wichit Rattanasirivilai is a Non-Executive director. who have work experience related to the company’s business, including transportation business, Warehouse management business.