Investor Webinar

REACH: non-regulatory announcement* 14 March 2024 Aptamer Group plc ("Aptamer" or the "Company") Investor Webinar Aptamer Group plc (AIM: APTA), the developer of novel Optimer ® binders to enable innovation in the life sciences industry, announces that Dr. Arron Tolley (Chief Technical Officer) and Dr. Adam Hargreaves (Non-Executive Director) will be hosting a webinar on Thursday, 21 March 2024 at 5:30pm (GMT). The webinar will provide investors with a valuable opportunity to interact with the Company and gain insights into the recent announcements. There will be a Q&A session for investors after the presentation and questions can be submitted pre-event as part of the registration process. You can register for the event by using the following link: www.turnerpope.com/register We are delighted to announce that the webinar will be chaired by experienced news and corporate events presenter Katie Pilbeam ( www.katiepilbeam.com ) and hosted by the Company's broker, Turner Pope Investments. Aptamer Group plc Steve Hull +44 (0) 1904 217 404 SPARK Advisory Partners Limited - Nominated Adviser Andrew Emmott / Mark Brady / Adam Dawes +44 (0) 20 3368 3550 Turner Pope Investments (TPI) Limited - Broker James Pope / Andrew Thacker +44 (0) 20 3657 0050 About Aptamer Group plc Aptamer Group develops custom affinity binders through its proprietary Optimer ® platform to enable new approaches in therapeutics, diagnostics, and research applications. The Company strives to deliver transformational solutions that meet the needs of life science researchers and developers. Optimer binders are oligonucleotide affinity ligands that can function as an antibody alternative. The global affinity ligand market is currently worth over US$170 billion. Aptamer has successfully delivered projects for a range of global pharma companies, diagnostic development companies, and research institutes, covering multiple application areas with the objective of establishing royalty-bearing licenses. This information is provided by Reach, the non-regulatory press release distribution service of RNS, part of the London Stock Exchange. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com .