Samsung Electronics and SK Hynix have backed an 800 trillion won ($518 billion) semiconductor manufacturing program in southwest South Korea, placing a major memory-chip capacity decision behind the next phase of artificial intelligence infrastructure.
The plan, announced on June 29, 2026 at a national investment briefing chaired by President Lee Jae Myung, would see Samsung and SK Hynix each build two manufacturing plants in the Gwangju and Jeolla regions. The South Korean government wants the project to create a second major semiconductor cluster beyond the established manufacturing base around Seoul, while supporting the power, water, transport and workforce requirements needed for large-scale production.
Samsung Electronics chairman Lee Jae-yong and SK Group chairman Chey Tae-won were involved in the announcement, giving the program direct weight at board level. The two companies already sit at the center of global memory production and are major suppliers of the high-bandwidth memory used in advanced AI systems. Their commitment therefore extends beyond regional development: it is a decision about how much future demand they are prepared to underwrite before that demand is visible.
The opportunity is clear. AI data centers require expanding volumes of memory alongside processors, and customers are seeking greater supply resilience as infrastructure spending grows. Building additional manufacturing plants could protect the companies’ market positions, give South Korea more influence over a strategically important supply chain and reduce the risk that capacity constraints hold back future AI deployment.
The strategic risk is equally significant. Semiconductor plants take years to construct, equip and bring to efficient production. Capital committed during a period of strong demand can reach the market after customer spending patterns have changed. A program of this scale therefore depends less on current chip shortages than on whether AI investment remains strong through the next decade.
Execution discipline will be as important as the headline ambition. Samsung and SK Hynix will need to stage construction, equipment orders and production increases against measurable customer demand rather than political timetables alone. Government support may reduce permitting and infrastructure delays, but it cannot remove the commercial risk created by bringing too much capacity online at the wrong point in the cycle.
The program also shows how corporate strategy is becoming more closely tied to national industrial policy. President Lee’s administration is using regional investment and infrastructure support to strengthen South Korea’s semiconductor position, while the companies gain faster development pathways and a broader manufacturing footprint. That alignment can create scale, but boards still retain responsibility for testing whether public policy incentives support durable returns.
Businesses considering similarly large AI-related commitments should treat the South Korean program as a capital-allocation case rather than a simple vote of confidence in the technology. The strongest position will belong to companies that can expand quickly when demand is proven, slow investment when signals weaken and preserve balance-sheet flexibility throughout a long construction cycle.
More from CEO Today: Micron Signs Customer Agreements Carrying $22bn in Commitments
