Notice of Interim Progress on the Share Buyback

July 1,2026 ENEOS Holdings, Inc. (the “Company”) hereby provides the interim progress on the share buyback of its common shares pursuant to Article 156 of the Companies Act, as modified, and applied in accordance with Article 165.3 of the Companies Act as below. 1. Class of shares repurchased 2. Total number of shares repurchased 18,242,000 shares 3. Total value of shares repurchased 22,608,123,35