THAMES VENTURES VCT 1 PLC

Share Issue/Capital Change • May 12, 2023

National Storage Mechanism | Additional information

Thames Ventures VCT 1 plc

LEI: 213800R88MRC4Y3OIW86

12 May 2023

Issue of Equity

The Directors of Thames Ventures VCT 1 plc announce an allotment on 12 May 2023 of ordinary shares of 1p each (“Ordinary Shares”) pursuant to the Offer for Subscription that opened on 31 October 2022 (“Offer”) as follows:

76,425 Ordinary Shares at an average price of 54.3p per share.

Application for the shares to be admitted to the Official List of the UK Listing Authority and to trading on the London Stock Exchange's market for listed securities will be made shortly. Dealings are expected to commence on or around 19 May 2023.

Following this allotment, the Company has 179,909,407 Shares in issue, which is also the Total Voting Rights of the Company and may be used by shareholders as the denominator for the calculations by which they 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.