Investor Presentaiton

Sales Volume ■ Petroleum Volume [thousand KL, %] 2Q FY2022 2Q FY2023 Change Gasoline Naphtha Jet Fuel Kerosene Diesel Oil 6,640 6,537 (103) (1.5%) 190 192 +2 +0.8% 1,149 1,244 +95 +8.3% 826 750 (75) (9.1%) 5,096 5,028 (69) (1.3%) Heavy Fuel Oil A 1,394 1,368 (26) (1.9%) Heavy Fuel Oil C 1,267 1,159 (108) (8.5%) Total Domestic Sales Volume 16,562 16,278 (284) (1.7%) Exported Volume 4,167 3,067 (1,100) (26.4%) Total Sales Volume 20,729 19,345 (1,384) (6.7%) *Export includes bond sales of jet fuel and heavy fuel oil C Copyright Idemitsu Kosan Co., Ltd. All Rights Reserved. idemitsu 42 42

View entire presentation