Samsung Electronics just dodged a bullet the size of its entire memory chip division. The world’s largest memory chipmaker reached a tentative wage and bonus agreement with its leading labor union, pulling the plug on a planned 18-day strike that would have disrupted production across its semiconductor facilities.

The Korean benchmark KOSPI index surged 8% in a relief rally, reflecting just how nervous the market had been about the prospect of Samsung’s chip lines going quiet. For context, Samsung isn’t just another tech company. It’s the backbone of the global high-bandwidth memory supply chain that powers AI accelerators, and a prolonged work stoppage would have sent shockwaves well beyond Seoul.

What the deal looks like

The union’s opening demands were aggressive. Workers pushed for uncapped performance payouts fixed at 15% of operating profit, on top of base wage increases. That’s the kind of ask that makes CFOs reach for the antacids.

The final agreement landed somewhere more palatable for both sides. It includes base wage increases alongside a new compensation structure featuring special bonuses paid in company stock. Those stock bonuses are tied to long-term performance targets for Samsung’s chip division, specifically contingent on the unit exceeding 200 trillion won in revenue.