The board of directors (the "Board'') of Sino-Ocean Group Holding Limited (the "Company'') announced that Mr. SUM Pui Ying ("Mr. SUM'') has tendered his resignation as the Chief Financial Officer of the Company with effect from 8 December 2023 due to personal work adjustment and the need to focus on his duties as company secretary. Mr. SUM remains as the Company Secretary of the Company. Mr. SUM has confirmed that he has no disagreement with the Board and there are no other matters relating to his resignation that need to be brought to the attention of the shareholders of the Company and/or The Stock Exchange of Hong Kong Limited.

The Board would like to take this opportunity to express its utmost appreciation and sincere gratitude to Mr. SUM for his valuable contribution during his tenure as the Chief Financial Officer of the Company.