Investor Presentaiton

Overview of Consolidated Financial Results The impact of production problems was ¥3.5 billion in net sales and ¥3.3 billion in operating income Each stage of profit declined YoY but exceeded the initial forecast 1H FY2022 1H FY2023 (YoY) (Million of yen) to sales (A) to sales Change %Change (YoY) Initial forecast (B) Achievem ent rate Change (A)-(B) Net sales 51,915 46,622 (5,293) (10.2%) 51,000 91.4% (4,378) Operating income 9,722 18.7% 4,917 10.5% (4,805) (49.4%) 3,600 136.6% 1,317 Ordinary income 10,854 20.9% 6,020 12.9% (4,834) (44.5%) 4,100 146.8% 1,920 Net income 7,505 14.4% 4,042 8.7% (3,463) (46.1%) 2,800 144.4% 1,242 Earning per share ¥314.73 ¥158.91 Overseas sales 20,299 39.1% 14,540 31.2% (5,759) (28.4%) Assumptions 1H FY2022 1H FY2023 Yen / USD 130 Yen 139 Yen Average exchange rate Yen / Euro 137 Yen 151 Yen Naphtha price (Yen / KL) 83,750 Yen 64,500 Yen Something Better with Chemicals OSAKA SODA 4

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