Korea Zinc Corrects Debt Guarantee Period for Subsidiary Kataman Metals

Correction disclosure: Shortened debt guarantee period for subsidiary Kataman Metals LLC from 2028-11-28 to 2026-05-19. Guarantee amount: 390,312 million won (4.0% of equity).
Decision date changed from 2025-11-10 (internal committee) to 2026-05-12 (CEO decision).
Creditor: JPMorgan Chase Bank N.A. Guarantee to end.
Debtor financials (current year): Assets 257,677 million won, liabilities 209,233 million won, equity 48,444 million won, net income 3,661 million won.