3712 Everest Investment Holding: Announcement regarding change in the number of controlled companies

Report Date: May 26, 2026 Announcement Date: May 25, 2026 Announcement Time: 19:30:31 Company Code: 3712 Company Name: Everest Investment Holding

Subject: Announcement regarding changes in the number of companies held by the company Compliance Clause: Article 41 Date of Event: May 25, 2026

Explanation: 1. Resolution by Board of Directors or Shareholders' Meeting: N/A 2. Date of Resolution: May 25, 2026 3. Reasons for increase in controlled companies, names, business categories, and shareholding ratios: Not applicable 4. Reasons for decrease in controlled companies, names, business categories, and shareholding ratios: Reason: Subsidiary Sen-Wei Energy Co., Ltd. plans to dispose of equity in Donghong Green Energy Environmental Technology Co., Ltd.

(1) Name: Donghong Green Energy Environmental Technology Co., Ltd. Business Category: Waste Management Shareholding Ratio: Sen-Wei Energy Co., Ltd. holds 56.63%

(2) Name: Donghong Environmental Resources Co., Ltd. Business Category: Environmental Engineering / Pollution Control / Equipment Sales / International Trade Shareholding Ratio: Donghong Green Energy Environmental Technology Co., Ltd. holds 100%

(3) Name: Kunshan Donghong Environmental Equipment Co., Ltd. Business Category: Wholesale/Import-Export of environmental and energy-saving equipment, technical services in environmental equipment field Shareholding Ratio: Donghong Green Energy Environmental Technology Co., Ltd. holds 100%

5. Number of controlled companies as of today: 46 6. Other important information: None