Middle Management
                                            Mr. Chaiphat Themeyabutr
First Vice President - Business & Finance / Investor Relations (IR) / Vice President - Finance and Accounting (Acting)
                                            
                                            Sun Punurai, Ph.D.
First Vice President - Operations
                                            
                                            Ms. Atchara Chareonporn
First Vice President - Business Sustainability Development (Acting)
                                            
                                            Miss Piyaphatr Pongnisub
Vice President - Information Technology Department
                                            
                                            Ekarin Lueangvilai, Ph.D.
Vice President - Research & Development
                                            
                                            Mr. Panom Jaitrongkla
Vice President - Maintenance
                                            
                                            Mr. Jakkrit Tongnaka
Vice President - Office of Managing Director
                                            
                                            Mrs. Uraiwan Mekakakorn
Vice President - Office of Company Secretary and CG / Company Secretary
                                            
                                            Pornnarong Lueanpech, Ph.D.
Vice President - Project Management
                                            
                                            Mr. Noppon Pokee
Vice President - Business Development and Sustainability Strategy
                                            
                                            Ms. Rumphai Chompoo
Vice President - Human Resource and Quality Management System
                                            
                                            Ms. Prakaipim Tanrangsan
Vice President - Legal & Compliance
                                            
                                            Mr. Preecha Samuhawattanachai
Vice President Office of Internal Audit
                                            
                                            Mr. Kiattisak Wangmaitree
Vice President - Traffic Surveillance & Management Department
                                            
                                            Miss Somthavin Krasairsin
Vice President - Administrative & Purchasing Department
                                            
                                            Ms. Jarinya Konglang
Vice President - Toll Operation Department
                                            
                                            Mr. Tanakorn Lautrongjing
Vice President - New Business Venture