Hong Kong, 28 May 2026 — ENN Natural Gas Co., Ltd. disclosed that Morgan Stanley Bank, N.A., classified as a Class (5) associate of the offeror in the ongoing privatisation by scheme of arrangement, executed two hedging transactions in the company’s A-shares on 27 May 2026.

• Transaction details – Purchase: 1,300 ordinary A-shares for RMB 25,103.40, at prices between RMB 19.23 and RMB 19.39 per share. – Sale: 18,700 ordinary A-shares for RMB 361,444.40, at prices between RMB 19.23 and RMB 19.44 per share.

• Net effect – Net disposal of 17,400 shares. – Resulting net cash inflow: approximately RMB 336,341.00.

The dealings were conducted on Morgan Stanley Bank’s proprietary account to hedge Delta 1 products generated from wholly unsolicited client-driven orders. The bank, ultimately owned by Morgan Stanley, is connected to the offeror under the Hong Kong Code on Takeovers and Mergers.