BROSSARD, Quebec, Canada - DIAGNOS Inc. ('DIAGNOS' or 'the Company') (TSX Venture: ADK) (OTCQB: DGNOF) (FRA: 4D4A), a leader in early detection of certain critical health issues, announces a contract renewal to provide its telemedicine platform based on CARA (Computer Assisted Retina Analysis) to Optina Diagnostics ('Optina') for an additional three-year period. Optina uses DIAGNOS' Cloud platform to upload images generated by the Optina-4CTM hyperspectral camera to be used with their awAIrTM Cerebral Amyloid Status test (for Research Use Only). Using the DIAGNOS CARA Cloud platform, the Optina's proprietary retinal images are processed, securely stored, and available to be shared and reviewed by healthcare professionals and clinics in various locations around the world. Optina benefits from the high throughput of the DIAGNOS CARA Cloud platform as well as the ease of use of the teleophthalmology platform currently used by doctors and other medical professionals. 'This contract renewal is a testimony of the high quality of our telemedicine platform and the agility of DIAGNOS people to adapt its platform to enable the rich data collected with the unique Optina-4CTM hyperspectral camera. We are proud to contribute to the success of innovative companies like Optina. Their work towards a precise Alzheimer's diagnosis is a service we all wish for our loved ones,' said Yves-Stephane Couture, Vice-President of Sales at DIAGNOS.

'By working with DIAGNOS, Optina will continue benefiting from rapid data exchange with eye clinics and physicians. This is a key element to support the development of our Retinal Deep PhenotypingTM diagnostic platform that enables the creation of new tests,' said David Lapointe, President and CEO of Optina. Optina Diagnostics is a privately held company. For commercial reasons the value of the contract will remain confidential.

About Optina Diagnostics

Optina Diagnostics is a Montreal-based company focused on changing mindsets when it comes to Brain Health and systemic diseases. With a first application in the early diagnosis of Alzheimer's, Optina challenges the status quo by providing an accurate, simple, and non-invasive optical test to understand the age-related sources of memory loss, empowering millions.

Contact:

Mr. Andre Larente

President

DIAGNOS Inc.

Tel: 450-678-8882 ext. 224

Email: alarente@diagnos.ca

This news release contains forward-looking information. There can be no assurance that forward-looking information will prove to be accurate, as actual results and future events could differ materially from those anticipated in these statements. DIAGNOS disclaims any intention or obligation to publicly update or revise any forward-looking information, whether as a result of new information, future events or otherwise. The forwardlooking information contained in this news release is expressly qualified by this cautionary statement.

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