Kunming Dianchi Water Treatment Co., Ltd. (“DCWT”) announced that Executive Director and Board Chairperson Mr. Zeng Feng formally tendered his resignation on 8 May 2026 upon reaching the statutory retirement age. His departure simultaneously ends his roles as Chairperson of the Strategy and Investment Decision Committee, and membership in both the Nomination Committee and the Remuneration and Appraisal Committee.

Following Mr. Zeng’s exit, each of the three affected Board committees—Nomination, Remuneration and Appraisal, and Strategy and Investment Decision—now comprises two members. Mr. Zeng confirmed he has no disagreement with the Board and identified no matters requiring shareholder or regulatory attention.

In accordance with the Articles of Association, the Board unanimously appointed Executive Director Ms. Lian Zhaoju as Acting Chairperson, effective 8 May 2026, until a permanent successor is elected.

The Company expressed formal gratitude for Mr. Zeng’s contributions during his tenure.

As of the announcement date, DCWT’s Board consists of eight directors: two executive directors (Mr. Chen Changyong and Ms. Lian Zhaoju), three non-executive directors (Mr. Xu Jingdong, Ms. Cheng Yijing, and Ms. Gao Yuan) and three independent non-executive directors (Mr. Zha Guiliang, Ms. Fu Jifang, and Dr. Chan Ho Wah Terence).