National Storage Mechanism | Additional information

18 July 2025

Helios Underwriting plc

('Helios' or 'the Company')

Results of Scrip Dividend Election

Further to the announcement made on 9 July 2025, the Company confirms that, pursuant to the scrip dividend alternative offered in lieu of cash for the final dividend for the year ended 31 December 2024, it has issued 157,884 new ordinary shares of 10p each ("Ordinary Shares") in satisfaction of elections received.

Application has been made to the London Stock Exchange for the new Ordinary Shares, which rank pari passu with the Company's existing issued Ordinary Shares, to be admitted to trading on AIM ('Admission'). Dealings are expected to commence at 8.00 a.m. on 21 July 2025. Following Admission pursuant to the scrip dividend elections received, the Company's issued share capital will consist of 78,268,186 Ordinary Shares. The Company holds 5,630,255 Ordinary Shares in Treasury. The total number of voting rights in the Company is therefore 72,637,931 Ordinary Shares.

For further information, please contact:

Helios Underwriting plc

John Chambers - Interim Executive Chairman +44 (0)203 965 6441

Adhiraj Maitra - Director of Finance and Operations

Deutsche Numis (Nomad and Broker)

Giles Rolls / Charles Farquhar +44 (0) 20 7601 6100

FTI Consulting

Ed Berry +44 (0)7703 330 199

Nathan Hambrook-Skinner +44 (0)7977 817 092

Christian Harte +44 (0)7974 288 763

About Helios

Helios provides a limited liability direct investment into the Lloyd's insurance market and is quoted on the London Stock Exchange's AIM market (ticker: HUW). Helios trades within the Lloyd's insurance market. The portfolio provides a broad spread of business primarily participating in the US and other international wholesale and reinsurance markets. For further information please visit www.huwplc.com

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