SK Hynix Decides to Dispose Treasury Shares for 2022 Stock Option Exercise

Shares to be disposed: 114,209 common shares (confirmed 191 shares, unconfirmed 113,999 shares), at KRW 124,220 per share, total approx. KRW 14.2 billion
Disposal period: 2026.05.20 ~ 2027.03.30, counterparty: executives (including retired executives)
Method: off-market direct transfer to option holders' accounts (not market sale)
Dilution effect: less than 0.02% of total outstanding shares, negligible
Treasury shares before disposal: 1,630,448 common shares (0.2%)
This filing covers all shares granted under the 2022 stock option plan per securities regulations

Filing: Report on Key Matters (Decision on Disposal of Treasury Shares) (Major Management Matters of Subsidiary)
Company: SK Square (402340)
Submission: SK Square Co., Ltd.
Receipt: 05-13-2026
Under KRX KOSPI Market Division