CSSC Offshore & Marine Engineering (Group) Company Limited at its AGM held on May 27, 2026 approved final dividend of RMB 1.35 (tax inclusive) per 10 Shares for the year 2025. In order to qualify Shareholders for the 2025 final dividend, the register of members of the Company will be closed from 2 June 2026 to 5 June 2026 (both days inclusive), during which period no transfers of Shares will be registered. All completed transfer forms accompanied by the relevant share certificates must be lodged with the Company's H share registrar, Computershare Hong Kong Investor Services Limited, at Shops 1712-16, 17th Floor, Hopewell Centre, 183 Queen's Road East, Wan Chai, Hong Kong by 4:30 p.m. on 1 June 2026.

Shareholders whose names appear on the register of members of the Company on 5 June 2026, being the record date for H Shares (the "Record Date"), are entitled to receive the final dividend in cash for the year ended 31 December 2025. The Company will appoint Bank of China (Hong Kong) Trustees Limited as the receiving agent in Hong Kong (the "Receiving Agent") and will pay to such Receiving Agent the final dividend declared for payment to H Shareholders. The Receiving Agent will pay the final dividend on Thursday, 16 July 2026.

Relevant cheques will be despatched on the same day to H Shareholders entitled to receive such dividends by ordinary post and at the risk of Shareholders.