Yunnan Water Investment Co., Limited filed its Monthly Return for Equity Issuer with Hong Kong Exchanges and Clearing Limited, covering the period ended 30 September 2026. Key takeaways are as follows:

• Authorised/Registered Share Capital – Domestic ordinary shares: 829.50 million shares at RMB 1 par value; no change from August 2026. – H-shares: 363.71 million shares at RMB 1 par value; no change from August 2026. – Total authorised/registered share capital stayed at RMB 1.19 billion.

• Issued Share Capital and Treasury Shares – Domestic shares in issue: 829.50 million; treasury shares: zero. – H-shares in issue: 363.71 million; treasury shares: zero. – No share issuance, cancellation, repurchase, or conversion activities were recorded during the month.

• Public Float Yunnan Water affirmed that it satisfied the Hong Kong Main Board’s minimum public float requirement of 25 percent for its H-share class as of 30 September 2026.

• Corporate Governance Confirmation Executive Director Zheng Guangfeng confirmed that all regulatory and listing-rule obligations related to any past securities issuance or treasury-share transactions have been fulfilled.

The static capital structure and adherence to public-float thresholds indicate stable shareholding dynamics for Yunnan Water during the reporting month.