Correction of Debt Guarantee Period for Affiliate Hyorim E&I (30 Billion Won, 30.71% of Equity)

Correction disclosure: change of guarantee period for existing debt guarantee (start date from 2025-05-20 to 2026-05-20, end date from 2036-12-31 to 2035-12-31)
Debt guarantee target: joint guarantee for performance bond of affiliate Hyorim E&I Corp. (creditor: Seoul Guarantee Insurance)
Guarantee amount: KRW 30 billion (unchanged), representing 30.71% of equity (consolidated equity as of end-2025: KRW 97,702,264,067)
Total guarantee balance: KRW 30 billion (single contract), board resolution date 2026-05-20, all 3 outside directors attended
Debtor summary financials (end-2025): assets KRW 79.4B, liabilities KRW 47.6B, equity KRW 31.9B, sales KRW 73.5B, net income KRW 1.7B