Decision to Invest KRW 50 Billion in Aurora Companion Growth Project Fund No.3

The company decided to participate as a limited partner in Aurora Companion Growth Project Fund No.3 Private Investment Partnership, investing KRW 50 billion
The acquisition amount of KRW 50 billion represents 7.90% of the company's equity (KRW 633 billion)
Purpose: expected future investment returns; acquisition method: cash
The issuing company (fund) was newly established in March 2026; no financial data available
Expected acquisition date is June 8, 2026, subject to change based on KFTC approval

Filing: Decision on Acquisition of Stocks and Investment Securities of Other Corporations
Company: Hyosung Chemical (298000)
Submission: Hyosung Chemical Corporation
Receipt: 05-06-2026
Under KRX KOSPI Market Division