Pledged Shares Reduced by 167K Shares, Total Debt Maintained at KRW 342.9B

Pledged shares reduced by 167,013 shares (5,133,026 → 4,966,013), total debt decreased by KRW 1 billion (KRW 343.86B → KRW 342.86B) in the correction
Largest shareholder Hana Micron pledges 77.2% of its stake in Hana Materials; if enforced, its stake falls from 32.50% to 7.39%
Hana Micron financials (2025): assets KRW 2.02T, liabilities KRW 1.37T, equity KRW 652.7B, net income KRW 65.6B
Among individual contracts, No. 7 involves Hana Materials as creditor, providing collateral of KRW 260.86B related to joint guarantees

Filing: [Correction of Description] Execution of Stock Pledge Agreement Involving Change of Largest Shareholder
Company: Hana Materials (166090)
Submission: Hana Materials Inc.
Receipt: 05-18-2026
Under KRX KOSDAQ Market Division