RNS Number : 6782U Kromek Group PLC 14 September 2026 14 September 2026 Kromek Group plc ("Kromek", the "Company" or the "Group") Director Share Purchase Kromek (AIM: KMK), a global detection company delivering best-in-class solutions for the advanced imaging and CBRN detection markets, announces that, on 14 September 2026, the wife of Rakesh Sharma, Non-executive Chairman of the Company, purchased 144,092 ordinary shares of 1p each in the Company ("Ordinary Shares") at a price of 6.94p per Ordinary Share. Following this purchase, Mr. Sharma has an interest in 1,583,713 Ordinary Shares1 in the Company, representing 0.2% of Kromek's issued share capital. 1 Includes the holdings Mr. Sharma's wife Enquiries Investor questions on this announcement We encourage all investors to share questions on this announcement via our investor hub https://investors.kromek.com/link/Pb6QoP Kromek Group plc Arnab Basu, CEO Claire Burgess, CFO +44 (0)1740 626 060 Cavendish Capital Markets Limited (Nominated Adviser and Broker) Geoff Nash/Giles Balleny/Seamus Fricker - Corporate Finance Andrew Burdis - ECM Michael Johnson - Sales +44 (0)20 7220 0500 Gracechurch Group (Financial PR) Harry Chathli/Claire Norbury +44 (0)20 4582 3500 Engage with the Kromek management team directly by asking questions, watching video summaries and seeing what other shareholders have to say. Navigate to our interactive investor hub here: https://investors.kromek.com/ Subscribe to our news alert service: https://investors.kromek.com/auth/signup Kromek Group plc Kromek Group plc is a leading developer of radiation detection and bio-detection technology solutions for the advanced imaging and CBRN detection segments. Headquartered in County Durham, UK, Kromek has manufacturing operations in the UK and US, delivering on the vision of enhancing the quality of life through innovative detection technology solutions. The advanced imaging segment comprises the medical (including CT and SPECT), security and industrial markets. Kromek provides its OEM customers with detector components, based on its core cadmium zinc telluride (CZT) platform, to enable better detection of diseases such as cancer and Alzheimer's, contamination in industrial manufacture and explosives in aviation settings. In CBRN detection, the Group provides nuclear radiation detection solutions to the global homeland defence and security market. Kromek's compact, handheld, high-performance radiation detectors, based on advanced scintillation and solid-state readout technology, are primarily used to protect critical infrastructure, events, personnel and urban environments from the threat of 'dirty bombs'. The Group is also developing bio-security solutions in the CBRN detection segment. These consist of fully automated and autonomous systems to detect a wide range of airborne pathogens. Kromek is listed on AIM, a market of the London Stock Exchange, under the trading symbol 'KMK'. Notification and public disclosure of transactions by persons discharging managerial responsibilities and persons closely associated with them 1 Details of the person discharging managerial responsibilities / person closely associated a) Name Kathleen Sharma 2 Reason for the notification a) Position/status Wife of Rakesh Sharma, Non-executive Chairman b) Initial notification /Amendment Initial notification 3 Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor a) Name Kromek Group plc b) LEI 213800VLHYXGHEX5VQ48 4 Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted a) Description of the financial instrument, type of instrument Ordinary shares of 1 penny each Identification code GB00BD7V5D43 b) Nature of the transaction Purchase of ordinary shares c) Price(s) and volume(s) Price(s) Volume(s) 6.94p 144,092 d) Aggregated information - Aggregated volume - Price N/A e) Date of the transaction 14 September 2026 f) Place of the transaction London Stock Exchange This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. 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. RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END DSHEAFNLFDKKEFA