Hong Kong, 23 March 2026—The Executive of the Hong Kong Code on Takeovers and Mergers has disclosed that Morgan Stanley Bank, N.A., classified as a Class (5) associate of the offeror in the ongoing privatisation of ENN Natural Gas Co., Ltd., disposed of a total of 300 share-linked derivatives tied to the company’s A shares on 20 March 2026.

The bank executed two unsolicited client-facilitation sales:

• 200 derivatives with a maturity date of 27 January 2027 at a reference price of RMB 23.515 each, generating proceeds of about RMB 4,703. • 100 derivatives with a maturity date of 31 August 2027 at a reference price of RMB 22.480 each, realising approximately RMB 2,248.

Following these transactions, Morgan Stanley Bank’s resultant position in the relevant securities fell to zero. All trades were carried out for the bank’s own account.

Morgan Stanley Bank, N.A. is ultimately owned by Morgan Stanley. The disclosure forms part of the reporting requirements under Rule 22 of the Hong Kong Code on Takeovers and Mergers amid ENN Natural Gas’s proposed scheme-of-arrangement privatisation.