<div id="readability-page-1"><div>RNS Number : 0560U Croma Security Solutions Group PLC 23 February 2026 TR-1: Standard form for notification of major holdings1. Issuer DetailsISINGB00B5MJV178Issuer NameCROMA SECURITY SOLUTIONS GROUP PLCUK or Non-UK IssuerUK2. Reason for NotificationAn acquisition or disposal of voting rights3. Details of person subject to the notification obligationNameRussell LongCity of registered office (if applicable)SouthamptonCountry of registered office (if applicable)United Kingdom4. Details of the shareholderFull name of shareholder(s) if different from the person(s) subject to the notification obligation, aboveCity of registered office (if applicable)Country of registered office (if applicable)5. Date on which the threshold was crossed or reached6. Date on which Issuer notified23-February-20267. Total positions of person(s) subject to the notification obligation<div><table><tbody><tr><td></td><td>% of voting rights attached to shares (total of 8.A)</td><td>% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)</td><td>Total of both in % (8.A + 8.B)</td><td>Total number of voting rights held in issuer</td></tr><tr><td>Resulting situation on the date on which threshold was crossed or reached</td><td>8.4%</td><td>-</td><td>8.4%</td><td>1,149,167</td></tr><tr><td>Position of previous notification (if applicable)</td><td>7.4%</td><td></td><td>7.4%</td><td>1,022,054</td></tr></tbody></table></div>8. Notified details of the resulting situation on the date on which the threshold was crossed or reached8A. Voting rights attached to shares<div><table><tbody><tr><td>Class/Type of shares ISIN code(if possible)</td><td>Number of direct voting rights (DTR5.1)</td><td>Number of indirect voting rights (DTR5.2.1)</td><td>% of direct voting rights (DTR5.1)</td><td>% of indirect voting rights (DTR5.2.1)</td></tr><tr><td>GB00B5MJV178 </td><td>1,082,500</td><td>66,667</td><td>7.9%</td><td>0.5%</td></tr><tr><td>Sub Total 8.A</td><td colspan="2">1,149,167</td><td colspan="2">8.4%</td></tr></tbody></table></div>8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))<div><table><tbody><tr><td>Type of financial instrument</td><td>Sub Total 8.B1</td></tr><tr><td>Expiration date</td><td colspan="2"></td></tr><tr><td>Exercise/conversion period</td><td></td></tr><tr><td>Number of voting rights that may be acquired if the instrument is exercised/converted</td><td></td></tr><tr><td>% of voting rights</td></tr></tbody></table></div>8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))<div><table><tbody><tr><td>Type of financial instrument</td><td>Sub Total 8.B2</td></tr><tr><td>Expiration date</td><td colspan="3"></td></tr><tr><td>Exercise/conversion period</td><td></td></tr><tr><td>Physical or cash settlement</td><td></td></tr><tr><td>Number of voting rights</td></tr><tr><td>% of voting rights</td></tr></tbody></table></div>9. Information in relation to the person subject to the notification obligation1. Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer.<ul><li>Ultimate controlling person</li><li>Name of controlled undertaking</li><li>% of voting rights if it equals or is higher than the notifiable threshold</li><li>% of voting rights through financial instruments if it equals or is higher than the notifiable threshold</li><li>Total of both if it equals or is higher than the notifiable threshold</li></ul>10. In case of proxy votingName of the proxy holderThe number and % of voting rights heldThe date until which the voting rights will be held11. Additional InformationIncluded in the disclosed holding of 1,149,167 shares above are 66,667 shares held by Mythrill LLP. Mr Long is a member of the Mythril LLP which has six members and which has a total holding of 400,000 shares in the Croma.12. Date of Completion23-February-202613. Place Of CompletionUKThis 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 HOLTJMATMTTTBMF</div></div>

KTOS

Croma Security Solutions Group PLC announced a major holding notification by Russell Long, who has increased his voting rights from 7.4% to 8.4%, totaling 1,149,167 shares. This includes 66,667 shares held by Mythrill LLP, of which Mr. Long is a member. The notification was made on February 23, 2026, indicating an acquisition of voting rights.

REG - Croma Sec. Sol. Grp - Holding(s) in Company