1 July 2025

ONDINE BIOMEDICAL INC.

("Ondine Biomedical", "Ondine" or the "Company")

Ondine Appoints Peel Hunt as Broker and Joint Financial Adviser

Ondine Biomedical Inc. (AIM: OBI), a Canadian life sciences company pioneering light-activated antimicrobial treatments, announces the appointment of Peel Hunt LLP as the Company's broker and joint financial adviser, effective immediately.

Carolyn Cross, CEO of Ondine Biomedical, commented:

"We are pleased to be working with Peel Hunt, a firm with deep expertise in supporting growth-stage companies in the healthcare sector. Their strong investor network and integrated advisory approach will help us expand our shareholder base and strengthen investor support as we continue to grow our business globally."

About Peel Hunt

Peel Hunt is a leading UK investment bank that specialises in supporting mid-cap and growth companies. It provides integrated investment banking advice and services to UK corporates, including equity capital markets, private capital markets, M&A, debt advisory, investor relations and corporate broking. The Company's joined up approach combines these services with expert research and distribution and an execution services hub that provides liquidity to the UK capital markets, delivering value to global institutions and trading counterparties alike. The Company is admitted to trading on AIM (LON: PEEL) and has offices in London, New York and Copenhagen.

About Ondine Biomedical Inc.

Ondine Biomedical Inc. is a Canadian life sciences company and leader in light-activated antimicrobial therapies ('photodisinfection') for the prevention and treatment of infections, including those caused by multidrug-resistant organisms. Ondine has a pipeline of investigational products, based on its proprietary photodisinfection technology, in various stages of development.

Ondine's nasal photodisinfection system has a CE mark in Europe and is approved in Canada, Australia, Mexico and several other countries under the name Steriwave®. In the US, it has been granted Qualified Infectious Disease Product designation and Fast Track status by the FDA and is currently undergoing clinical trials for regulatory approval. Products beyond nasal photodisinfection include therapies for a variety of medical indications such as chronic sinusitis, ventilator-associated pneumonia, burns and other indications.