Sirnaomics Ltd. — Board/Management Information 2025

Mar 23, 2025

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Sirnaomics Ltd.

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 2257)

RESIGNATION OF NON-EXECUTIVE DIRECTOR

The board (the "Board") of directors (the "Director(s)") of Sirnaomics Ltd. (the "Company") hereby announces that the Board has received a letter of resignation from Mr. Jiankang Zhang ("Mr. Zhang") to resign as a non-executive Director and a member of the remuneration committee of the Board with effect from June 21, 2025, as Mr. Zhang wishes to devote more time to his family and other commitments. Mr. Zhang has confirmed that he had no disagreement with the Board and there were no other matters relating to his resignation that need to be brought to the attention of the shareholders of the Company or The Stock Exchange of Hong Kong Limited.

The Board would like to express its deep gratitude to Mr. Zhang for his valuable advice, dedication and contribution to the Company during his tenure in office.

By order of the Board

Sirnaomics Ltd.

Monin Ung

Chairlady and Independent Non-Executive Director

Hong Kong, March 21, 2025

As at the date of this announcement, the Board comprises Dr. Poon Hung Fai as executive Director, Mr. Jiankang Zhang as non-executive Director, and Ms. Monin Ung, Dr. Cheung Hoi Yu and Mr. Wong Yu Shan Eugene as independent non-executive Directors.