SK hynix (SKHY)

6-K 1 d13432d6k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE MONTH OF AUGUST 2026 Commission File Number: 001-43391 SK hynix Inc. (Translation of registrant s name into English) 2091, Gyeongchung-daero Bubal-eup, Icheon-si Gyeonggi-do 17336, Korea (Address of principal executive office) Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F. Form 20-F Form 40-F New Facility Investment On August 7, 2026, in order to secure mid- to long-term production capacity in response to demand for memory semiconductors, the board of directors of SK hynix Inc. (the Company ) approved the investment for the construction of phases 1 to 6 of Fab 2 at the Yongin Semiconductor Cluster ( Y2 ) in Yongin, Korea (the Investment ). Details of the Investment are as follows: 1. Type of Investment New facility investment - Investment Target Construction of Y2 in Yongin, Korea 2. Details of Investment Investment Amount (Won) 35,224,600,000,000 The Company s Total Equity (Won) 120,666,750,890,698 Ratio of Investment Amount to the Company s Total Equity as of December 31, 2025 (%) 29.19 Large-scale Corporation Applicable 3. Purpose of Investment Securing mid- to long-term production capacity in response to demand for memory semiconductors 4. Investment Period Start Date August 7, 2026 End Date October 31, 2031 5. Date of Resolution by the Board of Directors (Determination Date) August 7, 2026 - Attendance of Independent Directors Present: 6; Absent: 0 6. Other Important Matters Relating to Investment Decision - The Investment relates to the construction of Y2 in Yongin, Korea for the purpose of building mid- to long-term production infrastructure. - The Company s Total Equity (Won) set forth in Item 2 above is based on the consolidated financial statements as of the end of the most recent fiscal year. - The Investment Amount (Won) set forth in Item 2 above may be subject to change depending on the progress of the Investment and changes in the business environment. - The Start Date and the End Date set forth in Item 4 above are projected dates that remain subject to change in the course of the implementation of the Investment. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. SK hynix Inc. (Registrant) By: /s/ Seonghwan Park (Signature) Name: Seonghwan Park Title: Head of Investor Relations Date: August 7, 2026