Over the past 40 years, DT has grown on the strength of its accumulated technology and
trust in the ICT infrastructure field, consistently advancing by delivering cutting-edge
network deployments and innovative technology solutions across a wide range of areas,
including national backbone networks, urban infrastructure, and industrial sites.

Starting with the build-out of Korea’s optical communication network, we fully launched our
wireline business and have since successfully executed diverse communication infrastructure
projects such as subway and railway wireless networks, ITS private networks, and LoRaWAN
leading the development of the ICT industry.

Now, based on our extensive technical capabilities and on-site experience, DT is taking a
leap forward as a comprehensive ICT company that spans both IoT product manufacturing
and infrastructure deployment. By providing Connected Intelligence solutions across future-
oriented industries including IoT-based safety management solutions, smart cities, and
smart farms we are at the forefront of realizing a smarter society.

Even amid a rapidly changing technological environment, DT pursues continuous
technological innovation and people-centered management with the goal of sustainable
growth and customer-centric value creation. We will continue to respond to change with
flexibility and agility, build a safer and more efficient digital society through advanced IoT
technologies, and, with an unwavering spirit of challenge and a sincere technology
philosophy, open a better tomorrow together with our customers.

Thank you.