SK Hynix Weighs Japanese Megafactory as Memory Supercycle Strains Labor Relations

SK Hynix evaluates Miyagi fab, rejects wage deal, and launches 40T won buyback amid AI demand.

The world's second-largest memory chip maker is quietly scouting new ground. SK Hynix has confirmed it is evaluating a potential fabrication plant in Japan's Miyagi prefecture, with Reuters reporting the investment could run into the tens of trillions of won. The company was quick to temper expectations, insisting no final decision has been made and that any site with adequate infrastructure remains a candidate.

The Miyagi exploration arrives at a moment of maximum momentum for the South Korean giant. Just days after breaking ground on a new facility in West Lafayette, Indiana — where HBM4E production is slated to begin in the third quarter of 2029 — and laying the cornerstone for an HBM packaging plant on Thursday, the company is clearly executing on a multi-continent manufacturing strategy. CEO Kwak Noh-Jung has signaled that memory chip shortages are expected to persist through the end of 2030, a forecast that gives the company cover for billion-dollar bets across multiple geographies.

That expansionary zeal, however, is colliding with internal friction. Workers narrowly rejected a tentative wage agreement on Thursday, with 50.08 percent of the roughly 15,000 voting employees casting ballots against the deal. The package would have delivered a 6.3 percent base salary increase alongside a bonus structure split 40 percent in cash and 60 percent in company stock. Management and labor representatives had originally settled on at least 60 percent equity in this year's bonuses, plus a clause permitting wage deferrals of up to three percent in the event of losses. The rejection sends both sides back to the bargaining table, though no production disruptions have been reported.

The stock has absorbed the labor turbulence with relative composure. On Monday, shares traded at 1,674,000 won, up 1.3 percent from Friday's close — though the secondary article notes a slightly different snapshot of 1,654,000 won, nearly flat on the session. Either way, the equity remains roughly 14 percent below its 50-day moving average, and the 30-day picture shows a 3.7 percent decline, suggesting the post-rally consolidation phase is still underway.

That rally was fueled in part by a capital return program unveiled roughly three weeks ago. SK Hynix committed to a 40 trillion won buyback — covering up to 24 million shares between August 20 and November 19, 2026 — alongside a pledge to distribute more than half of free cash flow generated between 2025 and 2027 to shareholders. Reuters Breakingviews interpreted the move as a response to investor pressure for a larger cut of the AI-driven cash windfall. The announcement initially lifted the stock by double digits, with the primary source citing an 11.3 percent gain and the secondary reporting 10.0 percent.

The broader political environment is also tilting in the company's favor. South Korea's finance ministry has announced plans for a new fund that would channel semiconductor-related tax revenues into youth programs and AI investment — a signal that the industry retains strategic priority status in Seoul. For SK Hynix, that backdrop could ease the path for further international expansion, even as the company's own workforce demands a larger share of the prosperity it is helping create.

Whether Miyagi becomes reality will depend on details the company has yet to disclose — investment figures, timelines, and infrastructure assessments. What's already clear is that SK Hynix is positioning itself for a decade of AI-driven demand, while navigating the distributional tensions that success inevitably brings.