Report on Changes in Shares Held by the Largest Shareholder and Related Parties

SK Hynix (000660) filed a report on changes in shares held by its largest shareholder and related parties. The total holdings of the largest shareholder group increased by 4,658 common shares, from 146,113,730 to 146,118,388 shares (20.50%), as of April 7, 2026. The increase was