Hong Kong, 15 June 2026—Morgan Stanley & Co. International plc, identified as a Class (5) associate of the offeror in the proposed privatisation of ENN Energy Holdings Limited by way of scheme of arrangement, disclosed share dealings conducted on 12 June 2026 under Rule 22 of the Hong Kong Code on Takeovers and Mergers.

On the trade date, the firm executed: • Purchases of 62,500 ENN Energy ordinary shares for a total consideration of HK$3.05 million at prices ranging from HK$48.16 to HK$49.21 per share. • Sales of 6,000 shares for HK$0.29 million within a price band of HK$48.27 to HK$49.32 per share.

The transactions, amounting to a net purchase of 56,500 shares and an aggregate turnover of HK$3.34 million, were carried out as hedging of Delta 1 products arising from wholly unsolicited client-driven orders. Morgan Stanley & Co. International plc executed the trades for its own account and is ultimately owned by Morgan Stanley.

The disclosure forms part of ongoing reporting requirements associated with ENN Energy’s privatisation initiative.