Dexerials Corporation (Headquarters: Shimotsuke-shi, Tochigi, and Chuo-ku, Tokyo, Japan; Representative Director and President: Yoshihisa Shinya; hereinafter “Dexerials”) announces that it has been selected as a constituent of the JPX-Nikkei Index 400^*1 for the fifth consecutive year and the JPX Prime 150 Index^*2 for the third consecutive year. The JPX-Nikkei Index 400 is jointly calculated by JPX Market Innovation & Research, Inc. and Nikkei Inc., while the JPX Prime 150 Index is calculated by JPX Market Innovation & Research, Inc..
Dexerials believe this recognition reflects continued appreciation of its approach to management, which emphasizes capital efficiency, and its ongoing efforts to sustainably enhance its corporate value.

The JPX-Nikkei Index 400 is composed of companies considered highly attractive to investors that meeting global investment standards regarding the efficient use of capital and management practices that are mindful of investors. The index was developed to promote Japanese companies both domestically and internationally, encourage the sustainable increase of corporate value and contribute to the revitalization of Japan's stock market.

The JPX Prime 150 Index consists of 150 companies selected from among the top 500 stocks listed on the Tokyo Stock Exchange Prime Market in terms of market capitalization. These companies are recognized for their strong ability to create value based on both their capital profitability and market valuation. Dexerials has been a constituent of the index for the three consecutive years since its initial selection in 2024. This year, the Company's strong capital profitability, as measured by its equity spread (the difference between ROE and the cost of shareholders' equity), was evaluated highly.

Guided by its Purpose, “Empower Evolution. Connect People and Technology,” Dexerials will continue to contribute to the realization of a sustainable society by providing high value-added products, technologies, and solutions that are essential to the advancement of digital technologies supporting solutions to the challenges faced by society. Through these efforts, Dexerials will strive to grow sustainably and continue to increase corporate value.

• *1 Japan Exchange Group > JPX-Nikkei Index 400
• *2 JPX Prime 150 Index | Japan Exchange Group

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