China Petroleum & Chemical Corporation (Sinopec Corp.) disclosed that its registered share capital remained unchanged at 23.78 billion H-shares and 97.14 billion A-shares as at 31 July 2026, despite an active on-market buy-back programme executed between 18 June and 31 July 2026.

H-share repurchases (Hong Kong Stock Exchange) • Period: 18 June – 21 July 2026 • Volume: 80.09 million shares, equal to 0.34 % of the 23.78 billion issued H-shares. • Consideration: HK$329.72 million, implying a volume-weighted average price of HK$4.12 per share (range: HK$4.01–HK$4.29). • All H-shares bought back are earmarked for cancellation and had not yet been cancelled by 31 July 2026.

A-share repurchases (Shanghai Stock Exchange) • Period: 18 June – 31 July 2026 • Volume: 87.29 million shares, representing 0.09 % of the 97.14 billion issued A-shares. • Consideration: RMB413.77 million, translating into a volume-weighted average price of RMB4.74 per share (range: RMB4.46–RMB5.21). • The latest tranche on 31 July 2026 involved 0.87 million A-shares bought at between RMB5.18 and RMB5.23 for a total of RMB4.52 million. • All A-shares repurchased are designated for cancellation and, as of the reporting date, remain uncancelled.

Capital structure • Issued shares (unchanged): – H-shares: 23,782.60 million – A-shares: 97,142.91 million • Treasury shares: nil.

The disclosed transactions fall within the repurchase mandate granted on 13 May 2026, which allows buy-backs of up to 10 % of each share class. All purchases were executed in compliance with Hong Kong Stock Exchange and Shanghai Stock Exchange regulations.