#MitsuiChemicals

From March 1 to March 31, 2026, 6,518,400 shares of treasury stock worth 12,812,872,314 yen were acquired, bringing the cumulative total to 8,416,400 shares acquired for a total of 17,263,275,800 yen.

Announced acquisition of 1,898,000 shares of treasury stock totaling ¥4,450,403,486 from February 6 to February 28, 2026. The acquisition limit is set at 18,400,000 shares and ¥30 billion, with the period until July 31.

For the third quarter of the fiscal year ending March 2026, revenue was 1,218.7 billion yen (down 9.0% YoY), operating income was 54.6 billion yen (down 18.3% YoY), and net income attributable to owners of parent for the quarter was 22.6 billion yen (down 40.1% YoY). A stock split was carried out on January 1, 2026.

Core operating income for Q3 FY2025 was 68 billion yen (down 10% YoY), and full-year guidance has been revised downward to 103 billion yen. A share buyback of 30 billion yen is planned to strengthen shareholder returns.

Mitsui Chemicals will conduct a share buyback with an upper limit of 18,400,000 shares and up to 30 billion yen from February 6, 2026, to July 31, 2026, aiming to improve capital efficiency and enhance shareholder returns. Following the buyback, approximately 5% of the total number of issued shares will be cancelled, scheduled for August 31, 2026.