China Petroleum & Chemical Corporation (Sinopec Corp) filed a Next Day Disclosure Return with the Hong Kong Stock Exchange on 24 September 2026, detailing the latest tranche of its ongoing H-share buyback programme.

Key Transaction • On 24 September 2026, the company repurchased 5.43 million H-shares on the Exchange at prices ranging between HKD 4.44 and HKD 4.50, for a total consideration of HKD 24.34 million. All repurchased shares are earmarked for cancellation.

Cumulative September Activity • Including purchases executed on 21–23 September (5.49 million, 5.24 million and 5.43 million shares respectively), Sinopec Corp has acquired 21.60 million H-shares this week, representing 0.09% of its 23.68 billion issued H-shares. • Volume-weighted average repurchase price across the four sessions stands at approximately HKD 4.46 per share.

Progress under 2026 Buyback Mandate • The current mandate, approved on 13 May 2026, authorises repurchases of up to 2.38 billion shares (10% of issued share capital at mandate date). • As of 24 September 2026, Sinopec Corp has repurchased 128.38 million H-shares, equivalent to 0.11% of the 120.93 billion shares outstanding when the mandate was granted, leaving ample headroom for further buybacks.

Share Capital Position • Issued H-shares (excluding treasury shares) remain at 23.68 billion, as the latest purchases await formal cancellation. • No treasury shares are held by the company, and there were no new share issues or sales of treasury shares during the period.

Regulatory Timeline • In accordance with Hong Kong listing rules, Sinopec Corp is subject to a moratorium on issuing new shares or transferring treasury shares until 24 October 2026, 30 days after the latest repurchase.

All reported transactions were conducted in compliance with the Hong Kong Stock Exchange’s Main Board Listing Rules, and the company confirmed no material changes to the explanatory statement dated 20 April 2026.