China Petroleum & Chemical Corporation (Sinopec Corp.) filed a Next Day Disclosure Return on 20 August 2026, confirming that recent repurchases have not yet altered its outstanding share count, but signalling sizeable buy-back activity across both Hong Kong-listed H shares and Shanghai-listed A shares.\n\nKey capital position (as at 20 August 2026)\n• H shares in issue: 23.78 billion\n• A shares in issue: 97.14 billion\n• Treasury shares: none\n• Total shares in issue: 120.93 billion\n\nRepurchase activity—H shares\n• Period covered: 18 June – 21 July 2026 (22 on-market trades)\n• Shares bought: 80.09 million, equal to 0.34 % of H shares in issue\n• Volume-weighted average price: HKD 4.11 per share\n• Price range: HKD 4.01–4.29\n• Estimated outlay: HKD 329.38 million\n\nRepurchase activity—A shares\n• Period covered: 18 June – 20 August 2026 (45 on-market trades)\n• Shares bought: 103.70 million, equal to 0.11 % of A shares in issue\n• Volume-weighted average price: RMB 4.79 per share\n• Price range: RMB 4.46–5.18\n• Estimated outlay: RMB 497.17 million\n\nLatest transaction\n• 20 August 2026: 600,000 A shares repurchased on the Shanghai Stock Exchange at RMB 5.09–5.17, for a total consideration of RMB 3.07 million.\n\nImpact and mandate utilisation\n• All 183.79 million repurchased shares (0.15 % of total issued capital) remain outstanding pending cancellation; consequently, the company’s issued share capital is unchanged.\n• Repurchases form part of the mandate authorised on 13 May 2026, which permits buy-backs of up to 10 % of issued shares of each class.\n\nThe company confirms that all repurchases complied with the Hong Kong Stock Exchange Listing Rules and the relevant regulations of the Shanghai Stock Exchange.