3 April 2023

GEIGER COUNTER LIMITED
(THE "COMPANY")

Notification to Shareholders in regard to Subscription Rights

Please be reminded that you have the right to subscribe for Ordinary Shares in the Company in cash on the basis of one new Ordinary Share for every five existing Ordinary Shares held on 2 May 2023 at a price of 51.52 pence per share (being the price equal to the audited undiluted net asset value of an Ordinary share on 2 May 2022).

The deadline to submit your instructions is 1pm on 28 April 2023 for the Second Annual Subscription Date. 

If you hold your Ordinary Shares in uncertificated form, you will be allocated a Subscription Right entitlement in CREST on 11 April 2023 by reference to your shareholding as at close of business on 6 April 2023. If you buy Ordinary Shares after this date, please contact Computershare Investor Services PLC on 0370 707 4040 (or +44 370 707 4040, if calling from outside the United Kingdom) if you wish to participate.

If you hold your shares in certificated form you should return an application form and a payment as instructed in the form to Computershare Investor Services PLC, Corporate Actions, The Pavilions, Bridgwater Road, Bristol BS99 6AH

Ordinary Shares issued pursuant to the exercise of Subscription Rights will be allotted within 14 Business Days of the relevant Subscription Date.

A notice has been sent to all Shareholders.

In addition, a copy of the notice has been submitted to the National Storage Mechanism and will shortly be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism and on the Company's website.