デクセリアルズ（4980） – Notice Regarding to the Dividend Forecast (Commemorative Dividends for the 10th Anniversary) for the Fiscal Year Ending March 31, 2023

May 10, 2022 Company Name: Security Code: Listing: Representative: Contact: Phone: Dexerials Corporation 4980 Prime, Tokyo Stock Exchange Yoshihisa Shinya, Representative Director and President Shinji Tomita, General Manager, IR Department, Corporate Strategy Division +81-285-39-7950 Notice Regarding to the Dividend Forecast (Commemorative Dividends for the 10th Anniversary) for the Fiscal Year Ending March 31, 2023 Dexerials Corporation (the “Company”) hereby announces that its Board of Directors at a meeting on May 10, 2022, determined the forecast regarding annual dividends per share for the fiscal year ending March 31, 2023 as follows. 1. Reason for distributing commemorative dividends The Company celebrates its 10th anniversary in business in October 2022 since we started our business as Dexerials. We extend our heartfelt appreciation of the shareholders and other stakeholders’ support for many years. To commemorate the 10th anniversary and express our gratitude to the shareholders, we will include commemorative dividends of 5.00 yen per share in the year-end dividend for the fiscal year ending March 31, 2023. 2. Details of the dividend forecast Fiscal year ending March 31, 2023 (Forecast) (Reference) Fiscal year ended March 31, 2022 Second quarter-end Fiscal year-end Total Dividend per share 30.00 yen (Ordinary dividend: 30.00 yen) 35.00 yen (Ordinary dividend: 30.00 yen) (Commemorative dividend: 5.00 yen) 65.00 yen (Ordinary dividend: 60.00 yen) (Commemorative dividend: 5.00 yen) 30.00 yen (Ordinary dividend: 30.00 yen) 30.00 yen (Ordinary dividend: 30.00 yen) 60.00 yen (Ordinary dividend: 60.00 yen) (Note) The year-end dividend for the fiscal year ended March 2022 will be submitted to the 10th Annual General Meeting of Shareholders to be held on June 17, 2022. In addition, the interim dividend and the year-end dividend for the fiscal year ending March 31, 2023 will be determined at the Board of Directors meeting scheduled for October 2022, and will be submitted to the 11th Annual General Meeting of Shareholders scheduled for June 2023, respectively. (Disclaimer with respect to earnings and other forecasts) The forward-looking statements including earnings forecast contained in this document are based on information currently available to us and certain assumptions that we believe are reasonable. Accordingly, we can give no assurance that such statements will prove to be correct. Actual results may differ from the results anticipated in these forward-looking statements due to a variety of factors.