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AUTHORIZATION LETTER

To whom it may concern:

We, Citest Diagnostics Inc. with a registered address in 170-422 Richards Street, Vancouver BC V6B 2z4 Canada, hereby declare that the company:

Kreutz GmbH

Overather Str. 22, 51109 Cologne, Germany

AS Authorized Distributor to import and commercialize below Rapid Tests with CITEST brand in the territory of Germany for private market only, not for tender.

ICOV-502S, COVID-19 Antigen Rapid Test, (CE1434) (Nasal Swab) COF-CT525H, COVID-19 and Flu A/B Multiplex Panel for home use, (CE2934) (Nasal Swab) ICOV-502, COVID-19 Antigen Rapid Test(CE)(Swab) ICSG-CT402H, SARS-CoV-2 S-RBD lgG Antibody Rapid Test(CE1434)(Fingerstick Whole Blood) INCP-CT802H, COVID-19 Antigen Rapid Test Cassette(CE1434)(0ral Fluid) INCP-CT802, COVID-19 Antigen Rapid Test Cassette(CE)(Oral Fluid)

Kindly note, without the permission of Citest Diagnostics Inc., Kreutz GmbH cannot authorize others to register.

We hereby represent and warranty that we have the full power and authority to grant this authorization.

The Authorization letter is valid for...Lyear from the date signed. Date signed: 06/04/2023 Valid to: 05/04/2024

Citest Diagnostics Inc.

Manager:」essie Fu

Signature:

CITEST DIAGNOSTICS INC. 170-422 Richards Street Vancouver BC VGB 224 Canada

1nfo@citestdiagnostics.com