Minor Stake Increase by Major Shareholder Through Open Market Purchases, Governance Stability Maintained

Park Joo-hyung, a specially related person of Kumho Petro Chemical's largest shareholder group, acquired 2,185 additional shares through open market purchases from July 7 to 13, 2026, increasing his total holdings to 328,622 shares.
As a result, the total stake of the largest shareholder group slightly rose to 30.20% of common shares, signaling continued governance stability.
This filing is a routine change in share ownership with no capital dilution or capital raising purpose; its direct impact on enterprise value is limited.
[AI Summary]The largest shareholder group of Kumho Petro Chemical slightly increased its stake through open market purchases by a related party, reinforcing governance stability, but the negligible size of the change implies no material impact on stock price or corporate value. This is a routine administrative disclosure with no additional capital events or policy changes.