This announcement contains information which, prior to its disclosure, was inside information as stipulated under Regulation 11 of the Market Abuse (Amendment) (EU Exit) Regulations 2019/310 (as amended). Upon the publication of this announcement via a Regulatory Information Service, this inside information is now considered to be in the public domain.

17/12/25

Valereum Plc

("Valereum", "VLRM" or the "Company")

Resignation of Corporate Adviser and Trading Suspension

Valereum Plc announces that First Sentinel Corporate Finance Ltd has resigned from the role of AQSE Corporate Adviser to the Company with immediate effect.  As a result, trading in the Company's ordinary shares on AQSE will be suspended from 7:30 a.m. on 17 December 2025.

The Company continues to work with Quorium Global Photonics SPC ("QGP") to conclude the recently announced transaction, and will announce a new Corporate Adviser in the coming days.

For further information, please contact:

The Directors of the Company accept responsibility for the contents of this announcement.

Please visit the Company's website at www.vlrm.com