Kunming Dianchi Water Treatment Co., Ltd. (DCWT) has issued a proxy form for its 2026 first extraordinary general meeting (EGM), setting out a single ordinary resolution to approve the appointment of Mr. Mu Yong as an executive director.

Meeting details • Date and time: Monday, 18 May 2026, 2:00 p.m. • Venue: Meeting room, 1st floor, Wastewater Treatment Plant No. 7, Kunming Dianchi Tourist Resort, Yunnan Province, PRC.

Voting arrangements • Registered shareholders may appoint the chairman of the meeting or another person as proxy. • Proxy forms, together with relevant authorization documents, must be deposited no later than 2:00 p.m. on Sunday, 17 May 2026. – H-share holders: Tricor Investor Services Limited, 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong. – Domestic-share holders: the company’s registered office and headquarters in the PRC.

Resolution on the agenda • Ordinary resolution: “To consider and approve the appointment of Mr. Mu Yong as an executive director of the Company.”

Shareholder guidance • For, Against, or Abstention votes must be clearly indicated on the proxy form; otherwise, the appointed proxy may vote at discretion. • Completion and return of the proxy form do not preclude shareholders from attending and voting in person at the EGM.

Personal data handling The proxy form outlines that any personal data supplied will be used solely for processing voting instructions and may be disclosed to subsidiaries, the share registrar, or other relevant parties for verification and record-keeping, in accordance with Hong Kong’s Personal Data (Privacy) Ordinance.