China Petroleum & Chemical Corporation (Sinopec Corp., HK: 00386; SSE: 600028) has filed a Next Day Disclosure Return (28 July 2026) detailing extensive share repurchase activity across both its Hong Kong-listed H shares and Shanghai-listed A shares. No new shares were issued during the period; the outstanding share capital remains unchanged at 23.78 billion H shares and 97.14 billion A shares.

H-share repurchases (18 June–21 July 2026) • Volume: 80.09 million shares, equal to about 0.34 % of the H-share float. • Consideration: approximately HKD 329.70 million, implying a volume-weighted average cost of roughly HKD 4.12 per share. • Price range: HKD 4.01–4.29 per share. All H shares bought back are slated for cancellation and had not yet been cancelled as of 28 July 2026.

A-share repurchases (18 June–28 July 2026) • Volume: 84.75 million shares, or about 0.09 % of the A-share base. • Aggregate spend: about RMB 400.59 million, corresponding to a volume-weighted average cost of roughly RMB 4.73 per share. • Price range across the period: RMB 4.46–5.18 per share. – Latest transaction (28 July 2026): 1.30 million A shares repurchased on the Shanghai Stock Exchange for RMB 6.64 million at RMB 5.06–5.16 per share. All A shares acquired are intended for cancellation and remain uncancelled as of the reporting date.

Capital structure after the transactions • H shares in issue (excluding treasury): 23.78 billion. • A shares in issue (excluding treasury): 97.14 billion. • Total shares in issue: 120.93 billion.

Regulatory compliance Sinopec Corp. confirms that the repurchases were executed in accordance with Hong Kong Stock Exchange Main Board Rules and relevant Shanghai Stock Exchange regulations. The cumulative buybacks remain within the 10 % authorization approved on 13 May 2026.