Hong Kong, 24 March 2026 – In connection with the proposed privatisation of ENN Natural Gas Co., Ltd. by way of scheme of arrangement, Morgan Stanley Bank, N.A. has reported derivatives dealings in the target’s A-shares to the Securities and Futures Commission pursuant to Rule 22 of the Hong Kong Code on Takeovers and Mergers.

Key transaction details (all executed on 23 March 2026):

• Instrument: Other derivative products linked to ENN Natural Gas A-shares. • Capacity: Unsolicited client facilitation conducted for the bank’s own account. • Volume and direction: – Purchase of 1,000 reference shares at RMB 23.1610 each, totalling RMB 0.02 million. – Sales of 9,200, 500 and 100 reference shares at RMB 23.1287, RMB 23.0140 and RMB 23.0100, respectively, for an aggregate consideration of RMB 0.23 million. • Net effect: Disposal of 8,800 shares with net proceeds of approximately RMB 0.20 million. • Maturity / closing-out dates of the derivatives range between 27 January 2027 and 31 August 2027. • Resultant balance: Zero, indicating no remaining position in the referenced securities after the reported trades.

Regulatory context

Morgan Stanley Bank, N.A. is classified as a Class (5) associate of the offeror in the pending privatisation of ENN Natural Gas. The disclosure satisfies the mandatory reporting requirements aimed at ensuring market transparency during takeover and merger activities.

Ownership structure

The filing notes that Morgan Stanley Bank, N.A. is ultimately owned by Morgan Stanley.

No additional financial or strategic information regarding the privatisation was provided in the disclosure.