Hong Kong, 27 May 2026—Morgan Stanley Capital Services LLC, a Class (5) associate of the offeror in the proposed privatisation of ENN Natural Gas Co., Ltd., disclosed round-trip derivatives transactions in the target’s A shares on 26 May 2026.

On the trade date, the firm executed unsolicited client-facilitation purchases and corresponding sales in two tranches:

• 500 reference shares with a maturity date of 31 March 2027 at a reference price of RMB 19.54 per share, involving RMB 9,770.00 on both the buy and sell sides.

• 13,400 reference shares with a maturity date of 31 August 2027 at a reference price of RMB 19.61 per share, involving RMB 262,744.00 on both the buy and sell sides.

Cumulatively, the transactions covered 13,900 reference shares for a gross notional value of RMB 272,514.00 on both purchase and sale legs. As the sales fully offset the purchases, Morgan Stanley Capital Services reported a resultant net position of zero in ENN Natural Gas derivatives after the trades.

All dealings were conducted for the firm’s own account and settled in renminbi. Morgan Stanley Capital Services LLC is ultimately owned by Morgan Stanley.