27 April 2026
 HELIOS UNDERWRITING PLC
 ("Helios ", or the "Company")
 Transaction in Own Shares

Helios, the only publicly traded company offering instant access to a diverse portfolio of syndicates at Lloyd's of London, the world's largest insurance market, announces it has purchased the following number of its Ordinary shares of 10p each through Peel Hunt LLP.

The Company intends to place the purchased shares into Treasury.

Following the settlement of the purchased shares, the Company will have 75,216,173 Ordinary shares in issue of which 5,643,466 are held in Treasury.

The figure of 69,572,707 may be used by shareholders as the denominator for calculating whether 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.

The table below contains detailed information about the purchases made as part of the buyback programme which was announced by the Company on 09 April 2026 (the "Programme").

 Aggregate information:

 
 Schedule of Purchases - Individual Transactions

In accordance with Article 5(1)(b) of the Market Abuse Regulation (EU) No 596/2014 as it forms part of UK law, a full breakdown of the individual trades made by Peel Hunt on behalf of the Company as part of the Programme is detailed below:

 For further information contact:
 Helios Underwriting plc
 Louis Tucker - Chief Executive Officer
 Tel: +44 (0)203 965 6441 
 
 Adhiraj Maitra - Director of Finance and Operations
 Tel: +44 (0) 203 743 2114
 
Peel Hunt (Nomad and Broker)
Tel: +44 (0) 20 7418 8900
  
 FTI Consulting
 Ed Berry
 Tel: +44 (0)7703 330 199
 
 Christian Harte
 Tel: +44 (0)7974 288 763