Debt Guarantee for HS Hyosung Vina Core Materials (KRW 35.1 billion)

Debt guarantee of KRW 35.1 billion (4.25% of equity) for subsidiary HS Hyosung Vina Core Materials Co., Ltd. to convert existing facility loan to ordinary loan and extend maturity
Total guarantee balance including unused limit: KRW 1.641 trillion
Debtor's financial summary (2025): assets KRW 238.5 billion, liabilities KRW 183.7 billion, equity KRW 54.7 billion, net loss KRW 2.6 billion
Board resolution substituted by management committee decision dated 2026-05-08

Filing: Decision on Debt Guarantee for Others (Major Management Matters of Subsidiary)
Company: HS HYOSUNG (487570)
Submission: HS HYOSUNG Corporation
Receipt: 05-08-2026
Under KRX KOSPI Market Division