Idemitsu Kosan: Change in major shareholder composition

Tokyo, April 11, 2025 - Idemitsu Kosan (TSE:5019) has disclosed a change in its major shareholder composition. According to the latest shareholder registry received on April 8, 2025, 日章興産株式会社's (Nisho Kosan Corporation) ownership has increased. 日章興産株式会社, located in Tokyo, now holds 1,275,932 voting rights, representing 10.39% of the total voting rights, maintaining its position as the second-largest shareholder. This is up from 9.56% as of October 21, 2024. The announcement clarifies that this change will not impact Idemitsu Kosan's business performance.