SHORTWAVE LIFE SCIENCES PLC

("Shortwave" or "the Company")

26^th September 2025

Company appoints digital asset treasury management partner Archax

Shortwave Life Sciences PLC (PSY), quoted on the Aquis Stock Exchange Growth Market, the UK's leading healthcare company focused on developing innovative treatments for anorexia nervosa, is pleased to announce the appointment of Archax Ltd as exchange, broker and custodian of digital assets.

In July the Company announced it would complete a comprehensive business review to strengthen its strategic framework for growth. As part of its digital asset treasury management strategy the Company reviewed a range of digital asset partners and appointed Archax. The Company has now completed the onboarding process.

The Company will now progress calling its Annual General Meeting, to seek shareholder approval to commence activating a digital asset treasury management policy, amongst other ordinary resolutions to be put to shareholders.

Executive Director Stephen Molloy said "Archax are explicitly FCA-regulated across the range of digital asset services we require, to provide us the level of institutional-grade protection and client services we look for from our partners".

About Shortwave Life Sciences:                           

Shortwave Life Sciences is a developer of breakthrough therapies addressing unmet medical needs in mental health. The Company is committed to the advancement of innovative solutions through drug development, with a mission to pioneer breakthrough therapies that transform the landscape of mental health care. With a team of dedicated experts and a commitment to innovation, Shortwave Life Sciences is uniquely positioned to introduce and develop solutions for the complex challenges of mental health disorders worldwide.

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

For media inquiries, please contact:

Enquiries:

Company:

Rolf Gerritsen

+44 20383 87621

 Peterhouse Capital Limited:

Corporate Adviser:

+ 44 (0) 20 7469 0930

Corporate Broker:

+44 (0) 20 7220 9797

About Archax:

Archax is a regulated Digital Asset Exchange, Broker and Custodian headquartered in the UK and with bases in the EU, US and UAE. Targeted at professionals and institutions globally, Archax supports all types of digital assets - from unregulated cryptocurrencies through to regulated tokenised real-world assets (RWAs). Archax also covers the full digital lifecycle from token issuance and fundraising through to trading and custody.

Founded by experts from traditional capital markets and backed by an accomplished advisory board, Archax offers a credible bridge between the traditional financial markets' community and the digital asset/crypto/DeFi space.