POSCO Faces First-Ever Full-Scale Strike Threat
POSCO faces its first full-scale strike threat after South Korea’s National Labor Relations Commission suspended wage and collective bargaining mediation, ending talks because labor and management positions are too far apart. The union voted 92.2% for a dispute plan and has a legal right to strike. Demands include 7.1% pay and bonuses versus POSCO’s 1.5% offer; Q2 steel operating profit fell to 270 billion won.
How this was made

The 30-second read
Why it matters
The National Labor Relations Commission suspended mediation, giving the union the legal right to strike. While a full-scale strike is not immediate, the gap between labor and management demands is large, raising the probability of phased actions (partial strikes, overtime refusal) that could disrupt production and downstream supply.
Market read
Traders should monitor the next bargaining steps and any move from legal strike right to phased work actions that could affect steel output and supply-chain timing.
What to watch
The article emphasizes emergency response planning and the continuous-process nature of steel plants, which can lead to targeted, limited actions rather than broad shutdowns.
Background
POSCO is facing its first full-scale strike threat since 1968 after wage and collective bargaining talks failed despite mediation.
Market effects
Steel labor disruption risk could affect regional supply continuity and near-term cost/availability expectations, even if strike is phased.
Potential operational disruption at a major South Korean steel producer can spill into autos, shipbuilding, and appliances supply chains.
If phased work stoppages expand, it can tighten global steel availability at a time of China oversupply and trade frictions.
Counterpoint
Because the union has not yet launched a full-scale strike and both sides may negotiate using the strike right as leverage, the market may overprice disruption risk.
Key entities
- companyPOSCO
South Korean steelmaker whose wage bargaining mediation was suspended, enabling a potential strike and phased labor actions.
- regulatorNational Labor Relations Commission
Suspended mediation at the 3rd meeting, ending the mediation process and enabling the union’s legal strike right.
- companyPOSCO Holdings
Holding company referenced by the union as a source for future investments and shareholder dividends.



