Huaneng Hydropower announced that Huaneng Structural Adjustment No. 1 Securities Investment Private Equity Fund Holdings Plan, a concerted actor of Huaneng Group, the controlling shareholder of the company, has been implemented. From February 24, 2026 to August 21, 2026, the fund increased its holdings of 157.77,600 A-shares through centralized bidding, accounting for 0.08% of the company's total share capital, with a cumulative increase of 147 million yuan. After this increase in holdings was completed, the fund held 0.08% of the total share capital of the company. This increase in holdings complies with the relevant regulations exempting the issuance of offers.

Huaneng Hydropower announced that Huaneng Structural Adjustment No. 1 Securities Investment Private Equity Fund Holdings Plan, a concerted actor of Huaneng Group, the controlling shareholder of the company, has been implemented. From February 24, 2026 to August 21, 2026, the fund increased its holdings of 157.77,600 A-shares through centralized bidding, accounting for 0.08% of the company's total share capital, with a cumulative increase of 147 million yuan. After this increase in holdings was completed, the fund held 0.08% of the total share capital of the company. This increase in holdings complies with the relevant regulations exempting the issuance of offers.