Sinopec Engineering (Group) Co., Ltd. (“SINOPEC SEG”) has reported the purchase of 3.78 million H shares on 22 October 2026 under its ongoing share-repurchase programme. The shares were bought on the Hong Kong Stock Exchange at prices ranging between HK$5.02 and HK$5.19, for a total consideration of HK$19.44 million and a volume-weighted average cost of HK$5.14 per share.

Including earlier transactions executed between 17 and 25 August 2026, the company has now repurchased 9.37 million shares for cancellation since its current mandate was approved on 5 June 2026. The accumulated volume equals 0.57 % of SINOPEC SEG’s 1.65 billion issued H shares outstanding as at the mandate date. All repurchased shares remain to be cancelled; consequently, the registered share count stood unchanged at 1.65 billion as of 22 October 2026.

The 5 June 2026 mandate authorises SINOPEC SEG to buy back up to 164.68 million shares. After the latest transaction, approximately 5.7 % of this authority has been utilised, leaving a capacity of about 155.32 million shares. In line with Hong Kong Stock Exchange regulations, the company is subject to a moratorium on issuing new shares or transferring any treasury shares until 21 November 2026.

Chief Financial Officer and Board Secretary Yin Fengbing confirmed that all repurchases complied with Main Board Rule 10.06 and that no material changes have occurred in the explanatory statement previously filed with the exchange.