National Storage Mechanism | Additional information

Syncona Limited

Total Voting Rights

28 November 2025

Pursuant to DTR 5.6.1 Syncona Limited (the "Company") announces that as at 28 November 2025 the total number of ordinary shares in issue stands at 672,549,420. The Company holds 64,356,396 ordinary shares in treasury which attract no voting rights.

Therefore, the total number of voting rights in the Company is 608,193,024. This figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

LEI: 213800X8MBI5VQITLW60

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Enquiries

Syncona Ltd

Annabel Clark

Tel: +44 (0) 20 3981 7940

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