Notice Regarding Listing of Crasus Chemical Inc. on the Tokyo Stock Exchange Standard Market

September 29, 2026

　Crasus Chemical Inc. (Representative Director and President: Hirotsugu Fukuda) hereby announces that its shares were listed on the Tokyo Stock Exchange Standard Market today (Securities code: 646A). We would like to express our sincere gratitude to all our stakeholders for their continued support.

　Crasus Chemical Inc. (hereafter, “the Company”) commenced operations in January 2025 following succession of the petrochemical business from Resonac Holdings Corporation and Resonac Corporation. The Company’s roots trace back to 1969, when the former Showa Denko Oita Petrochemical Complex was established. Since then, the Complex has developed alongside local communities and industry as the only petrochemical complex in the Kyushu region.

　The Crasus Chemical Group manufactures and distributes basic chemical products such as ethylene and propylene by cracking naphtha, a petroleum-derived raw material, as well as organic chemical products and synthetic resin products mainly made from these basic chemical products and acetic acid. These products are used in wide range of everyday applications, including automobiles, home appliances, clothing, coatings, and food packaging.

　In line with its Purpose, “Chemistry for Tomorrow,” Crasus Chemical Group aims to become a next-generation petrochemical company that leads the realization of a carbon-neutral and circular economy, thereby contributing to the sustainable development of society.

　For details regarding the approval for listing, please refer to the “New Listings” page of the Japan Exchange Group website.　
“New Listings” page of the Japan Exchange Group website:
https://www.jpx.co.jp/english/listing/stocks/new/index.html
Website of Crasus Chemical Inc.:
https://www.crasus.co.jp/en

We sincerely appreciate the kind congratulations and expressions of goodwill from many stakeholders. However, we are unable to accept any gifts, such as floral arrangements, or any other congratulatory offering. We ask for your understanding and thank you for your consideration.

This document is a press release intended solely for public disclosure and has not been prepared for the purpose of soliciting investments or engaging in any similar activities, whether in Japan or overseas. Securities may not be offered or sold in the United States unless they are registered under the U.S. Securities Act of 1933 or an exemption from registration is available. The Company does not intend to register any securities in the United States in connection with this matter. 

• For further information, contact
• General Affairs Group, General Affairs & Human Resources Department
  E-mail: CSC_PR@crasus.co.jp