China Petroleum & Chemical Corporation published a Next Day Disclosure Return dated 13 November 2025, confirming no change to the total number of its H shares on the Hong Kong Stock Exchange (23,945,350,600) and its A shares on the Shanghai Stock Exchange (97,232,263,098) as of the closing balance. Despite this unchanged total, multiple batches of H shares and A shares were repurchased and remain pending cancellation.

From 22 September 2025 to 13 November 2025, the company conducted a series of H share repurchases on the Hong Kong Stock Exchange, each involving a small proportion of the total H share capital—generally in the range of 0.01% to 0.03%—with repurchase prices varying between HKD 4.06 and HKD 4.46. On 13 November 2025 alone, 3,468,000 H shares were repurchased at prices ranging from HKD 4.39 to HKD 4.45.

For A shares, repurchases on the Shanghai Stock Exchange spanned from 22 August 2025 to 13 November 2025. Individual transactions ranged from approximately 0.001% to 0.009% of the total A share capital, with repurchase prices between RMB 5.29 and RMB 5.71. On 13 November 2025, 8,400,000 A shares were repurchased at a price range of RMB 5.63 to RMB 5.70.

The company also reported that under its repurchase mandate dated 28 May 2025, it is authorized to repurchase up to 2,404,929,260 H shares. As of 13 November 2025, 138,798,000 H shares had been repurchased under this authority, representing around 0.11% of the total issued shares at the time the mandate was granted. All reported repurchased shares have not yet been canceled and remain subject to relevant processing. The disclosure confirms that the repurchases comply with applicable rules and that no other changes in the issued share structure have taken place.