Block Listing Interim Review

Summary by AI ^BETAClose X

Aptamer Group plc has provided an interim review of its block admission for the Aptamer Group EMI Share Option Scheme, reporting that 576,053 ordinary shares were not issued at the start of the period from August 26, 2025, to February 24, 2026. During this period, no securities were issued under the scheme, while 6,000 lapsed or were waived, leaving a balance of 570,053 ordinary shares not yet issued at the end of the period. The original admission of 2,063,200 ordinary shares occurred on February 25, 2022.

Disclaimer*

Aptamer Group PLC

10 March 2026

Aptamer Group plc

("Aptamer", the "Company" or the "Group")

Block Listing Interim Review

Aptamer Group plc (AIM: APTA), the developer of next-generation synthetic binders for the life sciences industry, makes the following notification pursuant to AIM Rule 29 and Schedule 6 of the AIM Rules for Companies regarding its existing block admission:

Name of Company	Aptamer Group plc
Name of Scheme	The Aptamer Group EMI Share Option Scheme
Period of Return (from/to)	26 August 2025 to 24 February 2026
Number and class of securities not issued at the start of the period under the scheme	576,053 Ordinary Shares
Number of securities issued under the scheme during the period	0
Number of securities lapsed/waived under the scheme during the period	6,000
Balance under the scheme of securities not yet issued at the end of the period	570,053 Ordinary Shares
Number and class of securities originally admitted and the date of admission	2,063,200 Ordinary Shares on 25 February 2022
Name of contact and telephone number	Andrew Rapson +44 (0) 1904 217 404

- Ends -

For further information, please contact:

Aptamer Group plc  Dr Arron Tolley, Chief Executive Officer	+44 (0) 1904 217 404
SPARK Advisory Partners Limited - Nominated Adviser    Andrew Emmott / Dillon Wall	+44 (0) 20 3368 3550
Turner Pope Investments (TPI) Limited - Broker    Andrew Thacker / Guy McDougall	+44 (0) 20 3657 0050
Northstar Communications Limited - Investor Relations Sarah Hollins	+44 (0) 113 730 3896

About Aptamer Group

Aptamer Group is a leading developer of next-generation synthetic binders delivering innovation to the life sciences industry. The Group develops Optimer® binders, advanced molecules that work like antibodies by attaching to specific targets in the body. These binders are used in medicine, diagnostic tests, and research tools, offering benefits like high stability, reliable performance, and lower costs compared to traditional antibodies.

Aptamer operates a fee-for-service business in the US$210 billion market for antibody alternatives, working with all top 10 global pharmaceutical companies. It is also building valuable Optimer® assets with partners, aiming for future licensing revenue.

Founded in 2008, the Group listed on the London Stock Exchange AIM market in December 2021 and is headquartered in York, UK.

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