#SK海力士 Official decision to issue NASDAQ ADR: 17.9 million new shares, raising capital up to 45.5 trillion KRW

▶️ ADR Issuance Overview Board Resolution Date: June 24, 2026 (All six external directors present) Issuance Type: New Stock DR (Third-party placement method) Listing Exchange: NASDAQ (NASDAQ Global Select Market) Expected Listing Date: July 10, 2026 Expected New Stock Listing Date: July 29, 2026 Subscription and Payment Date: July 14, 2026

▶️ Issuance Scale Maximum New Stock Issuance Cap: 17.9 million shares Reference Issuance Price: 2.555 million KRW per common share (based on June 23 closing price) Total DR Issuance Amount (Reference): Approximately 45.4534 trillion KRW Conversion Ratio for Each DR to Base Shares: 0.1 shares (1 DR = 0.1 common shares) Final issuance price will be confirmed after book building

▶️ Use of raised funds (all used for facility funds) For the construction of the first-phase factory (Y1) of the Yeongin Semiconductor cluster Construction of the Cheongju P&T7 advanced packaging factory, including equipment and related costs Construction and facility investment for extreme ultraviolet (EUV) scanners

▶️ Sole bookrunners Bank of America Securities Citigroup Global Markets Goldman Sachs (Asia) J.P. Morgan Securities

▶️ Others Overseas depository institutions: Citibank, N.A. / Base share depository custodian: Korea Securities Depository Confirmation of disclosure will take place approximately seven months after the disclosure is checked/available in December 2025