National Storage Mechanism | Additional information

2 January 2026

Aurora UK Alpha plc

(the "Company")

LEI: 2138007OUWIZFMAGO575

Director Declaration

In accordance with Listing Rule 6.4.9, Aurora UK Alpha plc announces that Rachael Robathan, a non-executive Director of the Company, has been appointed as a non-executive director of Castelnau Group Limited with effect from 1 January 2026.

Aurora UK Alpha plc is an investor in Castelnau Group Limited, which is also managed by the Company's investment manager, Phoenix Asset Management Partners Limited.

Frostrow Capital LLP

Company Secretary

Tel: 020 3709 8733

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