Hong Kong, 19 March 2026—According to a Rule 22 filing under the Hong Kong Code on Takeovers and Mergers, Class (6) associate BlackRock, Inc. adjusted its position in ENN Energy Holdings Ltd. (02688) on 18 March 2026 through a series of on-market transactions executed for discretionary investment clients.

• Transaction summary: – Purchases: 53,365 shares at an average HK$67.16 per share. – Sales: 80,900 shares at an average HK$67.20 per share. – Net result: Disposal of 27,535 shares.

• Post-transaction holding: BlackRock’s aggregate interest stands at 64.67 million shares, representing 5.71 % of ENN Energy’s issued share capital, marginally lower than the prior 5.72 %.

• Context: The disclosure forms part of ongoing reporting requirements related to the proposed privatisation of ENN Energy by way of a scheme of arrangement. BlackRock’s status as a Class (6) associate arises from its shareholding in the offeree company.

End of disclosure.