On 8 June 2026, the Executive of the Hong Kong Takeovers and Mergers Code received a Rule 22 disclosure covering dealings in ENN Natural Gas Co., Ltd. ordinary shares.

CITIC Securities Company Limited—classified as a Class (5) associate of the offeror in the ongoing privatisation by scheme of arrangement—reported the following transaction:

• Date of dealing: 5 June 2026 • Nature: Sale of A shares arising from the creation of new index-tracking exchange-traded funds; the ENN Natural Gas component represented less than 1% of the share class in issue and below 20% of the basket’s value. • Volume: 2,000 shares • Total consideration received: RMB 0.04 million • Price range: RMB 19.12 (L) to RMB 19.26 (H) per share

The transaction was executed on CITIC Securities’ own account and does not alter the public float threshold defined in the privatisation timetable. No other dealings were disclosed in the filing.