Hong Kong, 11 June 2026—Morgan Stanley Capital Services LLC (MSCS), classified as a Class (5) associate of the offeror in the proposed privatisation of ENN Natural Gas Co., Ltd. (abbreviated as “ENN Natural Gas”), has disclosed a series of derivative dealings that left it with no residual exposure to the company’s A-shares.

On 10 June 2026, MSCS carried out 16 “unsolicited client facilitation” transactions—eight purchases and eight corresponding sales—in other derivative products linked to ENN Natural Gas A-shares. Key transaction metrics are as follows:

• Volume: 1,800 reference securities bought and an identical 1,800 sold, resulting in a net change of zero. • Consideration: RMB32.59 million paid for purchases and RMB32.59 million received from sales. • Pricing: Weighted-average reference price of approximately RMB18.11 per share across both buy and sell legs. • Tenors: Contract maturities span from 30 September 2026 to 30 November 2027, with individual trade sizes ranging from 22 to 1,000 reference securities.

All trades were executed on MSCS’s own account, and the firm confirmed that no residual interest in ENN Natural Gas shares or related derivatives remains post-transactions. The disclosure was made under Rule 22 of the Hong Kong Code on Takeovers and Mergers as part of the ongoing scheme-of-arrangement privatisation process concerning ENN Natural Gas.