Mendell Helium, the helium production company with operations in Kansas, announces the release of a Schedule One by the London Stock Exchange in respect of its proposed admission to trading on AIM (“Admission”). This is available to view on the London Stock Exchange website and the Company’s website www.mendellhelium.com.  The Company’s ordinary shares of 1 pence each (“Ordinary Shares”) are expected to commence trading on AIM during the week beginning 15 June 2026.

In conjunction with the Admission, the Company announces the proposed withdrawal of its Ordinary Shares from trading on the Access Segment of the Aquis Stock Exchange (“AQSE”) Growth Market in accordance with AQSE Rule 5.3, which is expected to occur in late June 2026. A further announcement will be made in due course.

The Directors of the Company are responsible for the release of this announcement.

ENDS

Engage with the Mendell Helium management team directly by asking questions, watching video
summaries and seeing what other shareholders have to say. Navigate to our Interactive Investor
website here: https://mendellhelium.com/link/PKa6Ve

Enquiries:

Investor questions on this announcement

We encourage all investors to share questions

on this announcement via our investor website

 

https://mendellhelium.com/s/a6a55a
Mendell Helium plc

Nick Tulloch, CEO

 

Via our website

investors@mendellhelium.com

Cairn Financial Advisers LLP (AQSE Corporate Adviser)

Ludovico Lazzaretti / Liam Murray

 

Tel:  +44 (0) 20 7213 0880
SI Capital Limited (Broker)

Nick Emerson

 

Tel:  +44 (0) 1483 413500
Fortified Securities

Guy Wheatley

 

Tel: +44 (0) 203 4117773

 

OAK Securities

Jerry Keen / Calvin Man

 

Tel:  +44 (0) 20 3973 3678
AlbR Capital Limited

Gavin Burnell / Colin Rowbury / Jon Belliss

 

Tel: +44 (0) 207 4690930

 

Brand Communications (Public & Investor Relations)

Alan Green

Tel: +44 (0) 7976 431608