[Toward a Sustainable Regional Community] Execution of Chugin Sustainability-Linked Loan (Diamond Electric Holdings Co., Ltd.)

The Chugoku Bank (Headquarters: Okayama City, President: Sadanori Kato) announced that on April 28, 2026, it executed the 'Chugin Sustainability-Linked Loan' for Diamond Electric Holdings Co., Ltd.

Diamond Electric Holdings has set specific corporate target values regarding its 'actual CO2 emissions' to contribute to a sustainable environment and society by reducing CO2. The Bank will motivate and support the customer's sustainable management by lowering the interest rate upon the achievement of these targets.

The Bank strives to realize a sustainable regional community through the provision of a wide range of financial services and consulting functions.

*What is the 'Chugin Sustainability-Linked Loan'? It is a product where customers set corporate targets related to SDGs or ESG, and the interest rate varies according to the status of their achievement. The product's structure has obtained a third-party opinion confirming compliance with guidelines formulated by the Ministry of the Environment, enabling the introduction of sustainable finance with low burden.

[Overview of the Implementing Company and the Sustainability-Linked Loan] Company Name: Diamond Electric Holdings Co., Ltd. Address: 1-15-27 Tsukamoto, Yodogawa-ku, Osaka City, Osaka Representative: Yuri Ono Industry: Electrical Equipment Manufacturing Net Sales: 1,848 million yen (Fiscal year ended March 2025) Loan Amount: 100 million yen Execution Date: Tuesday, April 28, 2026 Loan Period: 5 years

Comment: As a company skilled in the utilization of energy, we are working on technological developments that contribute to a decarbonized society. We promote the spread of products with high CO2 reduction effects, and facilitate the introduction of renewable energy in our facilities to continue challenging and contributing to a sustainable society as a manufacturing company.

SPTs (Sustainability Performance Targets): Corporate targets that bring positive impacts to the environment.

In addition to efforts toward the aforementioned SPTs, we plan to reduce CO2 emissions by introducing renewable energy and forming microgrids at all locations, including our own facilities in the Osaka area. Furthermore, through business growth accompanied by the promotion of our power conditioner products, we have developed plans to contribute to the reduction of CO2 emissions across society as a whole and are carrying out activities toward the realization of a sustainable society.

The Chugoku Bank, Ltd. Phone: 086-223-3111 Public Relations Center, Okajima (Ext. 2255)