DL E&C implements the following policy to provide the highest quality products and services to customers and achieve Zero Defects in accordance with the perception of "Any inconvenience that customers experience is a Defect."

1. Total Employee
   Involvement
   • Ensure quality excellence through collaboration with business partners and subcontractors.
   • Each unit of the organization shall establish quality objectives and drive continuous process innovation through feedback from implementation.
2. Accumulate
   Experience
   for Zero Defects
   • Ensure consistency in quality by documenting DL E&C’s accumulated experience in a manual and adhering to the manual
   • Achieve zero defects by eliminating the root cause of defects and preventing their recurrence
3. Preemptive
   elimination of
   Quality Risk
   • Provide the best quality through data-based risk management.
   • Preemptively eliminate all quality risks to ensure customer satisfaction by adhering to quality regulations.

Every employee at DL E&C strives to deliver the best quality and create a positive customer
impression by thoroughly understanding the quality policy and continuously the quality management system.

DL E&C Co., Ltd CEO Pak, Sang Shin