National Storage Mechanism | Additional information

14 August 2025

River UK Micro Cap Limited

Transaction in Own Shares

Further to the confirmation of its intention to implement a share buyback programme, as set out in its announcement on 4 August 2025, the Company announces that on 14 August 2025 it purchased a total of 9,000 of its ordinary shares of no par value each ("Ordinary Shares") at a price of 206.5 pence per Ordinary Share through Singer Capital Markets. The Ordinary Shares purchased will be held in treasury.

Aggregated information

Date of purchase	14 August 2025
Number of Ordinary Shares purchased	9,000
Highest price paid per Ordinary Share	206.5p
Lowest price paid per Ordinary Share	206.5p
Volume weighted average price paid per Ordinary Share	206.5p

Transaction details

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation) (which forms part of domestic UK law pursuant to the European Union (Withdrawal) Act 2018) , a detailed breakdown of individual trades is available below:

Number of Ordinary Shares purchased	Transaction price (GBP)	Time of transaction	Trading venue
9,000	2.065	11:01:02	XLON

Total voting rights

Following the purchase, the Company's total issued share capital will consist of 33,897,954 Ordinary Shares each carrying one voting right, of which 19,000 Ordinary Shares are held in treasury. Therefore, the total number of Ordinary Shares carrying voting rights is 33,878,954 . 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.

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For further information please contact:

River Global
Lucy Draper	Lucy.Draper@river.global Tel: +44 7702 799 117



Singer Capital Markets
James Moat, Investment Banking	Tel: +44 20 7496 3000