Sinopec Oilfield Service Corporation (SINOPEC SSC) reported no changes in either authorised or issued share capital for March 2026, according to its Monthly Return filed with Hong Kong Exchanges and Clearing Limited on 2 April 2026.

Total authorised share capital remained at RMB 18.96 billion, comprising: • A-shares: 13.55 billion shares listed on the Shanghai Stock Exchange, par value RMB 1.00 each. • H-shares: 5.41 billion shares listed on the Hong Kong Stock Exchange, par value RMB 1.00 each.

Issued share capital was unchanged at 13.55 billion A-shares and 5.41 billion H-shares, with zero treasury shares reported for both classes.

The company confirmed full compliance with Hong Kong’s public-float requirements. Public shareholders hold 14.85 % of the total issued H-share class, comfortably exceeding the 5 % minimum threshold mandated for PRC issuers.

No share options, warrants, convertible securities, or other equity-related instruments were issued or exercised during the month, and there were no repurchases or cancellations of shares.

The filing was authorised by Company Secretary Shen Zehong, who affirmed adherence to all applicable listing rules and regulatory obligations.