Disposal of all SK D&D shares for 74.2B won to H&K Development Holdings

Purpose: Secure financial resources through portfolio rebalancing
Target: 5,821,751 shares of SK D&D (entire stake, ownership from 100% to 0%)
Disposal amount: Actual proceeds 74,227,325,250 won (book value 109,867,509,510 won, implying loss)
Buyer: H&K Development Holdings Co., Ltd.
Closing date: August 31, 2026 (changed from April 30, 2026)
Buyer to conduct a tender offer to acquire all shares
SK D&D financials: 2024 assets 1.46T won, liabilities 0.89T won, net income 44.2B won (down from 103.1B won in 2023)

Filing: [Correction of Description] Disposal Decision of Stocks and Investment Securities of Other Corporations (Voluntary Disclosure)
Company: SK Discovery (006120)
Submission: SK Discovery Co.,Ltd.
Receipt: 04-29-2026
Under KRX KOSPI Market Division