Woori Bank, Affiliate Acquire 14.84% Stake in STX Through Debt — to — Equity Swap

Woori Bank and Woori Card acquired 14.84% of STX Corporation's voting shares through a debt-to-equity conversion on September 21, 2026. The October 14, 2026 disclosure lists Woori Bank's holding at 25,262,488 shares, or 14.81%. Woori Card holds 43,582 shares, or 0.03%. * The conversion covered rehabilitation claims under the approved rehabilitation plan; the holdings are for investment purposes. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. STX Corporation published the original content used to generate this news brief via DART, the regulatory disclosure system operated by the South Korea Financial Supervisory Service (FSS) (Ref. ID: 20261016000104), on October 16, 2026, and is solely responsible for the information contained therein. (C)