4 December 2023

Avacta Group plc

("Avacta" or "the Group" or "the Company")

Shareholder update to review AVA6000 Phase 1a data

Avacta Group plc (AIM: AVCT), a life sciences company developing innovative, targeted oncology drugs and powerful diagnostics, will hold an online shareholder event via the Investor Meet Company ("IMC") platform on Wednesday 13 December at 11:00 a.m. GMT.

Avacta's Chief Executive Officer, Alastair Smith, Chief Scientific Officer, Fiona McLaughlin and Consultant Chris Coughlin will present a detailed review of the AVA6000 clinical trial's Phase 1a data, followed by an investor Q&A. Questions can be submitted in advance via the IMC platform.

Investors who already follow Avacta on IMC will automatically be invited to join the live stream. Investors who do not have an IMC account can sign up for free at https://www.investormeetcompany.com/avacta-group-plc/register-investor and then click "Add to meet" on the Avacta page in order to receive an invitation.

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About Avacta Group plc - https://www.avacta.com

Avacta Group plc is a life sciences company working to improve people's health and well-being through innovative oncology drugs and powerful diagnostics. Operating through two divisions, Diagnostics and Therapeutics, the Group's mission is to provide professionals and consumers with solutions that improve healthcare, fitness and well-being.

Avacta's Therapeutics Division, a clinical stage oncology drug innovator, is building a wholly owned pipeline of novel Affimer^® immunotherapies and pre|CISION™ tumour targeted chemotherapies. This approach is designed to address the lack of a durable response to current cancer immunotherapies experienced by most patients and reduce the severe systemic toxicities caused by chemotherapies. There are five programmes in the pipeline as well as several global research collaborations and licensing partnerships. Avacta's lead programme, AVA6000, is a preCISION™ tumour-targeted form of the established chemotherapy doxorubicin. AVA6000 is in Phase I clinical trials in patients with locally advanced or metastatic selected solid tumours.

The Affimer^® platform is an alternative to antibodies that has been designed to address many of the drawbacks of antibodies which, despite their shortcomings, currently dominate the immuno-diagnostics and immuno-therapeutics markets.

The pre|CISION™ tumour targeting platform can be used to modify a chemotherapy in order to selectively release the active drug in tumour tissue thereby reducing the systemic exposure that causes damage to healthy tissues. pre|CISION™ modified chemotherapies are designed to reduce the side effects and improve the overall safety and therapeutic potential of these powerful anti-cancer treatments.

Avacta's Diagnostics Division develops and supplies a broad range of in-vitro diagnostic (IVD) solutions. The Division is growing rapidly through an M&A strategy to deliver a global scale IVD business providing market leading solutions for healthcare professionals and consumers to inform treatment and monitor health and well-being. In October 2022, Avacta acquired Launch Diagnostics which serves the hospital pathology laboratory market in the UK and Europe. In May 2023, Avacta acquired Coris Bioconcept a Belgium based lateral flow test developer and manufacturer adding a broad range of marketed professional-use rapid tests into the Diagnostics Division. Avacta Diagnostic's research and development centre in Wetherby, UK uses its proprietary Affimer^® platform to differentiate immunodiagnostic products to provide marketing leading performance.

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